HPAC April 2013

video inspection systems

system Dehumidification evacuation Solutions

condenser water system components

The perfect couple: solar & wood cooling product showcase

we’ve come a long way A perspective on tubing

server room cooling April 2013 | $5.00

bathing beauties www.hpacmag.com

PM 40069240

LEADERS AREN’T MADE BY CHANCE. THEY’RE BUILT BY CHALLENGE.

For 47 years,* F-Series has been leading the industry with a commitment to build the most capable and powerful† trucks in the market. Our mission for continuous improvement is the reason that an unprecedented 106,000+* Canadians put their trust in us this past year alone. And with their confidence, we know we can go even further in the future. Find out more at Ford.ca Vehicle may be shown with optional equipment. †F-150: When properly equipped. Max. towing of 11,300 lbs with 3.5L EcoBoost 4x2 and 4x4 and 6.2L 2 valve V8 4x2 engines. Max. payloads of 3,120 lbs/3,100 lbs with 5.0L Ti-VCT V8/3.5L V6 EcoBoost 4x2 engines. Max. horsepower of 411 and max. torque of 434 on F-150 6.2L V8 engine. Super Duty: Max. gas horsepower of 385 and diesel horsepower of 400 on F-250/F-350. Max. gas torque of 405 ft.-lbs. on F-250/F-350. Unsurpassed diesel torque of 800 ft.-lbs on F-250/F-350. Maximum conventional towing capability of 18,500 lbs. on F-350/450 and maximum 5th Wheel towing capability of 24,700 lbs. on F-450 when properly equipped. Maximum payload capability of 7,260 lbs. on F-350 when properly equipped. *F-Series is the best-selling line-up of pickup trucks in Canada for 47 years in a row and grossed over 106,000 units in sales for 2012, based on Canadian Vehicle Manufacturers’ Association statistical sales report, December 2012.

april 2013

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Vol. 87 No. 3

tents

C ooling How To Avoit IT System Failures Ceiling-mount air conditioners are one solution to server room overheating issues.

By Eddie Stevenson

Cover image: thinkstock

16

cover story

Tubing Options Understanding the evolution of water-based heating system piping.

By John Siegenthaler

22

Condenser Water System Components How do different components react to changing conditions?

profile When Plumbing Flows In Your Veins WorldSkills Competition contender follows in family’s footsteps.

By Luc Boily

26

bathrooms Just Add Water The latest, greatest bathing beauties.

By Michael Totzke

30

Hydronics

46

d ehumidifacation

Plumbing Video Inspection Showcase

hpacmag.com

Tubing Showcase

Don't Sweat It Temporary solutions – an alternative method of dealing with summer humidity.

By David Simkins

52

r efrigeration Cleanliness Is Next To… Part II – Procedures to ensure a contaminant-free installation.

By Dave Demma

58

cooling

BY Mick Schwedler and Beth Bakkum

24

36

r enewables A Great Marriage Solar subsystems are ideal for summer – wood fired boilers cover winter–a good hydronic design can pull it all together.

By John Siegenthaler

62

e fficiency First In Canada: Home Labelled Under New Homes Standard

PRODUCTS

40 PLUMBING 49 Cooling Products Showcase 56 GIZMOS & GADGETS

DEPARTMENTS 6 Letters 8 Industry News 41 Mechanical Supply News 45 People 60 Calendar 61 Training 61 The Source

april 2013 | HPAC

3

< UPFRONT moments of brilliance AN UNLIKELY COVER MODEL, THE TOILET HAS MADE THE COVER of The Economist (January 12-18, 2013 issue). Granted the toilet was gracing the page with The

Thinker, who was the subject of an HPAC cover (March 2011). The Economist cover story deals with innovation and the question is raised: "Will we ever invent anything this useful again."

In the HVAC/R and plumbing industry there are countless examples of innovations that have stood the test of time. Sure, there might be some fine-tuning over the years, along with some cosmetic and packaging changes, but the function and purpose of many mechanical products remain as relevant today as the moment it occurred to someone to create them. Innovation is fluid in this industry, driven forward by engineers and product developers, government regulations and market demands.

In this issue, we feature many examples of the results of the grueling processes of research, practice, trial and error and the analysis of the experiences of others. Enjoy the array of products, along with the expert advice on how to apply them.

HPAC Magazine 80 Valleybrook Drive, Toronto, ON M3B 2S9 TEL: 416.442.5600 FAX: 416.510.5140 www.hpacmag.com

Editor Kerry Turner (416) 510-5218 KTurner@hpacmag.com Sales & Marketing Kim Rossiter (ON LEAVE) Coordinator Associate David Skene (416) 510-6884 publisher DSkene@hpacmag.com Art Director Sandy MacIsaac (416) 442-5600, ext. 3242 SMacisaac@hpacmag.com Market Production Barb Vowles (416) 510-5103 Manager 800-268-7742, ext. 5103 BVowles@bizinfogroup.ca Circulation Manager Selina Rahaman (416) 442-5600, ext. 3528 SRahaman@bizinfogroup.ca PUBLISHER Peter Leonard (416) 510-6847 PLeonard@hpacmag.com

BIG Magazines LP Corinne Lynds, Editorial Director Tim Dimopoulos, Executive publisher Alex Papanou, Vice-president of canadian publishing Bruce Creighton, President of Business Information Group

Editor

SPEAK UP, SPEAK OUT

What our readers are saying in response to HPAC features and news stories.

College moves forward with membership process (News story) This is a complete waste of time and money. Raising my renewal fees for my C of Q from $65/5 year term to $120/1 year term is nothing short of robbery! Just another reason why the "little guy" can't trust a government appointed company...

That Sinking Feeling (Feature: John Siegenthaler) Another excellent way to deal with this is to use slab sensor capable thermostats. Minimum slab temps of room temperature or very, very slightly higher means that the slab never has to be extensively charged...

Report reveals whether operating a gas fireplace reduces total gas consumption (News story and feature) I've been selling gas fireplaces, built-in and freestanding, for well over 20 years. This article does not address the added comfort when installing a unit in the basement of the home. In northeastern Ontario, where I reside, the alternative to basement heating is...

And we need a study to tell us that using a 76% efficient device plus a continuously running fan would end up costing more than a 94% efficient device on its own?

Wouldn't common sense tell you that? Of course, common sense isn't all that common any more, is it?

Skilled Trades Stream will help address serious labour shortages, say the Feds (News story) Working as a skilled trade in the steamfitting field I will spend four months per year unemployed. Although my average is based on only five years I believe it to be representative of the industry. We do not need to import people in my field ...

I would most humbly suggest that this money would be better spent supporting the people that are already in the country that could benefit from a comprehensive training program sponsored/supported by our government(s) with the input from private industry...

Trade tribunal rules in favour of domestic stainless sink industry (News story) It is about time we started to realize the impact of the cheap imports coming into this country. From the country we let buy our market share through cheap labor...

Publications Mail Agreement No. 40069240, Registration No. 10815 Heating Plumbing Air Conditioning (established 1925) is published 7 times per year

by BIG Magazines LP, a division of Glacier BIG Holdings Company Ltd. HPAC Magazine is the leading Canadian business publication for the owner/manager of mechanical contracting businesses and their supply partners.

ISSN: 0017-9418 Contents Copyright © 2013 by BIG Magazines LP, a division of Glacier BIG Holdings Company Ltd., may not be reprinted without permission.

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Notice: HPAC Magazine, BIG Magazines LP, a division of Glacier BIG Holdings Company Ltd., their staff, officers, directors and shareholders (hence known as the “Publisher”) assume no liability, obligations, or responsibility for claims arising from advertised products. The Publisher also reserves the right to limit liability for editorial errors, omissions and oversights to a printed correction in a subsequent issue. HPAC Magazine’s editorial is written for management level mechanical industry personnel who have documented training in the mechanical fields in which they work. Manufacturers’ printed instructions, datasheets and notices always take precedence to published editorial statements.

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HPAC | april 2013

hpacmag.com

< mailbox Response to: College Moves Forward With Membership Process, March 2013, p6.

See it online: www.hpacmag.com.

Like many trades people in Ontario, I have just received an introductory letter from the Ontario College of Trades (the College) outlining its objectives and explaining who it is. It is my understanding that all trades people will be members of this organization. There is a fee attached to this membership ($60 or $120). In order to practise a trade in the province of Ontario, a tradesperson will have to pay this yearly membership fee. Most trades already pay a licence fee or Certificate of Qualification (COQ) fee associated with their particular trade.

The trade that I belong to is HVAC. This trade is already regulated by the Technical Standards and Safety Authority (TSSA), Ministry of the Environment, Ministry of Labour, trade unions, and so on. The College adds yet another layer of bureaucracy along with its associated fee. The letter also states that the College will be involved with consumer complaints. This is the domain of the Ontario Ministry of Consumer Services. In regards to the HVAC industry, the consumer is protected by the Ministry of Consumer Services, TSSA, Ministry of the Environment, local utilities, local BBA, among others.

As stated earlier, most trades people pay a licence fee every year (in some cases every two or three years). In my circumstance I have a gas licence, refrigeration licence and an ODP certificate.

Other fees associated with the HVAC industry are union dues, workers compensation, liability insurance, business registrations, etc. To be forced to pay yet another fee is unfair and undemocratic. I did not ask to join this organization and I did not vote on this issue. Any fees paid to government or “I did not ask to join a pseudo government body are just another this organization and form of taxation.

I am fully aware I did not vote on this that all trades and businesses must be issue.” regulated and that consumer interests and safety are to be protected.

In regards to the HVAC industry, organizations already exist that fulfill all the requirem e n t s regarding trade regulation and consumer interests. It is true that the current system has proven to be ineffective and confusing at times for both consumers and tradespeople. Instead of a new level of bureaucracy maybe the industry should make the present regulatory and licensing bodies more effective, streamlined and understandable. For example, in order to purchase refrigerants or cooling equipment I must produce a refrigeration COQ and an ODP certificate. The ODP certificate should be rolled into the refrigeration 6

HPAC | april 2013

COQ. Penalties for unlicenced trades people, and the suppliers who are selling to these individuals, should be severe and enforced. Retailers should not be selling items such as electrical meter bases, breaker panels, refrigerant recharge kits, black iron and S636 pipe, unless the purchaser produces a trade licence associated with that particular product.

All trades people should call or write their MPP, union and/or association representatives and complain about this new membership fee. As trades people we also have to get involved in policing our trades, making sure that those individuals who do not have licences or those who are abusing the privilege of being a trades person, are dealt with accordingly.

Trades people and business owners in general can attest to the fact that we are over taxed. It becomes more difficult each day to turn a decent profit. The last thing we need is a new fee and a duplication of authority.

Larry Dessailly Climate Control

Response to: Formulas For Success: Solve the mean radiant temperature problems to solve building energy problems.

February 2013, p14.

See it online: www.hpacmag.com Thank you for the piece on mean radiant temperature (MRT). The sub“It is not our ject matter is extremely complex and there is no easy responsibility to way to explain it. I did appreciate your attempt to do so early on in the design when we do article. You have helped me prove my ranting regarding load calcula- not get paid for it.” tions, duct designs, etc., which the typical contractor has not the time, or the staffing knowledge to deal with. These are matters that should be and must be recognized as significant in order to deliver thermal comfort to occupants, while at the same time ensuring the reliability and integrity of the building envelope and its contents.

What we need in the HVAC/R and plumbing industry are more mechanical engineers who have this additional training, and for building codes and authorities having jurisdiction to call for a change to the current methods we employ. It is not our responsibility to design when we do not get paid for it. Yet HVAC/R and boiler guys regularly design mechanical systems. Notice, I left out the words comfort systems. Even if we can convince our clients to hire outside professionals, the problem is that there are not many of them.

I am in your corner and wish more leaders in our industry would allow for discussion and debate on the direction and effort that is necessary to ensure our industry's significant stature remains intact.

Keep up the great work and know your work is appreciated.

D. Brian Baker Custom Vac Limited hpacmag.com

© 2013 Masco Canada Limited

HAnDS DOWn A MOrE rESPOnSIVE FAUCET.

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Give a hand to more responsive electronic faucet technology.

Another way that Delta is more than just a faucet. deltacommercialfaucets.com/ca/h2optics

* Water-Efficient Product—Lavatory Faucets: flow rate of 1.5 gpm @ 60 psi (5.7 L/min @ 414 kPa) versus Industry Standard ASME A112.18.1 / CSA B125.1 of 2.2 gpm @ 60 psi (8.3 L/min @ 414 kPa).

Flush Valves: urinal flush valves of 0.5 gpf (1.9 Lpf) or 0.125 gpf (0.5 Lpf), IAPMO listed to CSA B125.3 / ASSE 1037.

LEED® is a registered trademark of the U.S. Green Building Council.

Industry News

SEE THE LATEST HPAC e-newsletter @ hpacmag.com

Robert Bean among keynote speakers at Sustainability Conference

Telus Spark is Canada's first new purpose-built science centre in more than 25 years.

Sustainability Resources Ltd. along with host sponsors Telus Spark and the City of Calgary, have released the program for the third Pathways 2 Sustainability (P2S) Conference. Slated for May 29-31, 2013, at Telus Spark in Calgary, AB, P2S is an interactive conference experience coordinated by Sustainability Resources Ltd., a provincial organization dedicated to advancing sustainability in Alberta.

A keynote address by HPAC contributor Robert Bean, who is president of Indoor Climate Consultants Inc. and director of HealthyHeating.com, is titled Principles of Energy Appropriateness. Other keynote speakers include Hunter Lovins of Natural Capitalism, Toby Heaps, cofounder and president of Corporate Knights Inc., and Andy Ellis, senior vice president, supply chain and logistics with Walmart Canada. www.pathways2sustainability.ca

Robert Bean

Some bright spots among reduced profits and slowing starts Canada’s non-residential construction industr y has been up -and - down since the recession and The Conference Board of Canada’s Winter 2013 outlook indicates that 2013 will be a down year. Industr y profits are forecast to decline this year to less than $2 billion. Profits are not expected to accelerate out of the $1.7 billion and $2.1 billion range until at least 2015 or 2016.

“Government stimulus programs gave the industry a major boost during and after the recession, but current cuts to public spending will have an impact on firms’ bottom lines,” said Maxim Armstrong, Conference Board senior economist. “Investment in industrial construction is rising again after a decade of decline, but the growth is modest. The bulk of the growth in the industry will have to come in office buildings and retail development, and firms are making investments cautiously because of the uncertain economic environment.”

Non-residential builders are expected to get some temporary relief on labour costs in 2013 due to a market correction on the residential side, which will reduce employment. As a result, experienced construction 8

HPAC | april 2013

workers will become available for hire. However, the industry must compete with other sectors – such as mining and oil and gas – that require skilled trades people.

On the residential side, declining housing starts and higher costs will see industry profits drop to an expected eight-year low – $3.3 billion – this year, according to The Conference Board of Canada’s Canadian Industrial Outlook: Canada’s Residential Construction IndustryWinter 2013.

“A correction is occurring in the housing market,” said Armstrong. “Strong building in recent years has exhausted demand. As well, the new mortgage rules implemented last summer are making it harder, especially for firsttime buyers, to get access to credit. But there are still positive overall signs for the economy and the longerterm prospects for the housing industry, including steady job gains, better consumer credit conditions, and low interest rates.”

Renovation spending continues to be stable, which is cushioning the decline in overall industry spending. Over the longer term, according to the report, the multi-unit segment will continue to be the main driver of construction growth in Canada. www.conferenceboard.ca hpacmag.com

grant. In 2012, TELUS received more than 1200 entries.

The judging panel will review and shortlist submissions to four semi-finalists. Semi-finalists will then be required to present their business challenges to the judging panel in Toronto in June and explain how they would use the grant to overcome their key obstacle. Semi-finalists will also be profiled in The Globe and Mail’s Report on Business. The contest closes May 27, 2013 and the final winner will be announced in September. www.theglobeandmail.com* *path: Home»Report on Business»Small Business»Growth»The Challenge»Contest

The Modern Niagara team poses in Vegas. Modern Niagara was one several Canadian companies represented at Maxwell Systems' recent 2013 Conference in Las Vegas, NV. The software solutions provider organizes the conference to help invited construction professionals to maximize construction management software. www.maxwellsystems.com

Your greatest business challenge could pay off Telus and The Globe and Mail have launched The Challenge, the third annual contest inviting Canadian small- and medium-sized business owners to present their biggest business challenge for the opportunity to win a $100,000

construction sector council reborn as buildforce canada The Construction Sector Council (CSC) has transitioned into BuildForce Canada after its core funding disappeared as a result of federal cuts. CSC had a 10 year history of working with industry to provide labour market forecasting and other resources.

“In the wake of the end of the federal government’s Sector Council Program, industry leaders have stepped up to the plate,” said executive director Rosemary Sparks. “We have a new brand, a new board of directors, a new funding model and a new governance structure, continued on p10

Eco-Friendly Solutions for Restaurants from Bradford White ®

Bradford White® is proud to have earned the endorsement of the Green Restaurant Association for both the UltraEfficient eF Series® of commercial water heaters and the energy-saving line of EverHot® tankless water Heaters.

The Green Restaurant Association endorses products that exemplify environmental leadership in their category and meet the GRA Product Endorsement Standards. GRA’s environmental consultants work hand in hand with manufacturers to assess their products and give them GRA’s endorsement stamp of approval.

Since 1990, The GRA has been helping restaurants cut energy, water and waste costs. The GRA has been instrumental in helping restaurants realize that environmental responsibility can equal fiscal gain. Some Certified Green Restaurants® save thousands of dollars each year, and through the help of the GRA’s consultants, are able to access rebates, incentives and other money saving programs.

Bradford White’s commitment to green innovation and environmental responsibility is evident in many of the products currently available from Bradford White wholesalers. Talk to your Bradford White representative about all of Bradford White’s Eco-Friendly water heating solutions.

Built to be the Best eF Series® Ultra High Efficiency Water Heaters

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EverHot® Tankless Water Heaters

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www.bradfordwhite.com | Mississauga, ON | 866.690.0961 ©2011, Bradford White Corporation. All rights reserved.

april 2013 | HPAC

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< Industry News

continued from p9

but our mandate will continue to address the need for a skilled workforce in the construction industry.”

Sparks, who has held the executive director position since October 2011, noted that CSC products will continue to be offered. Moving forward product offerings will be BuildForce branded. Operational funding is coming from the private sector and additional funding will be sought from government for special projects and initiatives.

“As we continue to experience strong construction markets and growing demand for skilled labour, the industry clearly requires comprehensive labour market information,” said board chair Robert Blakely, director of Canadian Affairs for the Building and Construction Trades Department AFL CIO. “We will build on the model we have set up to deliver that information, which includes consultation with many diverse stakeholders.”

For more information contact Rosemary Sparks at tel.

905.852.9186. www.buildforce.ca

RENEWABLES GET A BOOST IN NEW BRUNSWICK Efficiency New Brunswick has removed limitations on the installation of multiple ductless heat pumps, pellet and wood appliances from its Residential Energy ProgramEfficiency Existing Buildings, formerly known as Efficiency NB’s Existing Homes Energy Efficiency Upgrades Program and Multiple Unit Residential Building Energy Efficiency Upgrades Program (MURB Program). www.efficiencynb.ca

Beautiful Heat selects national communications partner CASACOM has been awarded the national account of Beautiful Heat, a not for profit organization dedicated to promoting the benefits of radiant home heating to homeowners across Canada. The agency will provde strategic integrated communications planning, brand marketing, digital communications strategy and implementation, media relations, and event organization. CASACOM will also work with Beautiful Heat spokesperson Karen Sealy, an interior designer and featured design expert on the national TV show, Cityline, and host and designer of HGTV’s “Summer Home.”

10

HPAC | april 2013

“CASACOM’s understanding of our brand, and its data-driven, creative approach to strategy was highly compelling. We are confident they will help us increase awareness of this versatile and energy-efficient alternative to traditional forced air heating among our target audiences,” said Theresa Kane, marketing manager, Beautiful Heat. “Not only were we impressed by the team’s experience, but their experience launching the new iöGO yogurt brand and work with the Engineers of Quebec [the Ordre des ingénieurs du Québec (OIQ)], demonstrated their ability to deliver tangible results.”

“Our goal is to leverage all of the tools we have – from consumer marketing, to social media properties and a wonderful spokesperson like Karen Sealy– to position this brand as providers of premium home comfort systems in Canada,” said Carolyn Ray, managing partner, CASACOM in Toronto. www.beautifulheat.com www.casacom.ca

Farewell to A champion of oil heat The industry will miss Veronica Yu as she embarks on new endeavours. After 22 years with the association, Yu resigned from the position of president and CEO of the Canadian Oil Heat Association (COHA), eff­ ective March 29, 2013.

COHA's executive expects to announce her replacement at the 2013 symposium in Moncton, NB. www.coha.ca

CLIPS >> The Ontario Ministry of the Environment recently prepared an updated Technical Bulletin, Earth Energy Systems in Ontario, which replaces the technical bulletin titled Constructing Earth Energy Systems in Ontario published by the Ministry of the Environment in September 2009. It provides information on the Ontario legislative framework, common risks associated with earth energy systems and mitigation strategies, and the different types of earth energy systems. www.downloads.ene.gov.on.ca/envision/env_reg/er/ documents/2013/011-8552.pdf continued on p12 hpacmag.com

NELSON MECHANICAL DESIGN, INC. Owners: Brian Nelson / Dave Sprague

BUSINESS ACCELERATION

WE’RE LIKIN’ DAIKIN! OUR SALES ARE UP 100%!

SEE THE FULL STORY AT LIKIN-DAIKIN.COM Owners Brian Nelson and David Sprague have doubled their sales since becoming a Daikin AC dealer. The partners started out as a heating and plumbing contractor, but today 75% of their business is Daikin Altherma and Ductless split heat pumps from Daikin AC. “Daikin AC has allowed us to set our dealership apart as the ‘Green Experts’,” says Brian. To live up to their mission of offering customers only the best green solutions, NMD offers only the best products to complement their highly engineered applications. The results are efficient, costeffective, easy-to-install Daikin AC systems that provide improved year-round comfort, and save their customers money.

See the full Story Visit

Brian and Dave tested all of the major ductless split systems before choosing Daikin AC. Brian notes that Daikin AC was the first manufacturer to have a good handle on ductless split applications and engineering.

Daikin AC systems are top-quality, virtually trouble-free, and have the best warranty in the business. Dave calls it ‘Daikin Magic’.

“They consistently outperform our expectations.”

So what’s the bottom line for the ‘Green Experts’? “If you want to set your business apart and increase sales like we have, position yourself with the premiere global brand … Daikin AC.”

Likin-DAIKIN.COM

Daikin AC’s industry-leading heating and cooling systems, warranty programs, and training helped Nelson Mechanical Design increase sales 100%.

< Industry News

continued from p10

>> Testo, Inc.’s 2013 Ultimate Contractor Collection Giveaway collection includes a selection of Testo products valued at more than $6,000 and will be awarded to one contractor at the close of the giveaway entry period on May 31, 2013. Entrants must fill out a survey but no purchase is necessary. https://www.surveymonkey.com/s/M3TQPV2 >> DuPont Refrigerants has issued a release urging HVAC/R industry members to be aware of potential counterfeit and illegally imported refrigerant products, with particular attention to R-22 and R-438A (sold as ISCEON MO99) refrigerant. http://refrigerants.dupont.com

HOME BUILDERS SUPPORT PROFESSIONAL BUILDERS INSTITUTE, ACCREDITED TRAINING IN BC

sumers while energy efficiency for new homes continues to increase in the Building Code. In addition, an accredited education program will provide a formal career path for students interested in becoming a builder,” said Casey Edge, executive officer, CHBA-Victoria.

BC’s Homeowner Protection Office (HPO) and Attorney General’s office have been in the process of writing a regulation for the Professional Builders’ Institute of BC and a minimum accredited education and training standard for builders in BC. CHBA-Victoria recently wrote to the Premier and the Minister of Energy, Mines and Natural Gas and theMinister responsible for Housing requesting their support to finalize the regulation. The Main Task Group Report to the Homeowner Protection Office is available on the HPO site at www.hpo.bc.ca/files/download/Report/Collaborative.pdf.

The Canadian Home Builders’ Association (CHBA) recently passed a resolution supporting a Professional Builders Institute of BC (PBIBC) and accredited education and training in British Columbia.

“CHBA-Victoria brought this resolution to CHBA’s National Conference to get support for the PBIBC and accredited education and training program. This will help protect con-

continued on p14

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HPAC | april 2013

hpacmag.com

Well-deserved

‘Buzz’ HIGH EFFICIENCY

Taco introduces a new wet rotor, variable speed “smart” circulator that has the industry buzzing.

It delivers both electrical savings plus system efficiency cost savings. Sweet!

The unique ECM motor saves more than 85% electrical energy over conventional units. The circulator is capable of operating in several modes: Delta-T, fixed speed, multi-speed with four different speeds or set point, to meet a desired temperature. When operated in the Delta-T mode, it greatly increases the overall efficiency of the boiler, saving even more fuel and money.

The Bumble Bee also increases whole house comfort by continuously adjusting its speed to deliver the right amount of BTUs - to the right place in the system at the right time.

For hydronic, radiant heat and snowmelt applications, the new Taco Bumble Bee delivers the ultimate state-of-the-art performance today.

Do your best work.

TACO CANADA LTD. 8450 Lawson Road, Milton, ON L9T 0J8 Tel. 905-564-9422 Fax. 905-564-9436 www.taco-hvac.com FOUNDING MEMBER

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< Industry News

continued from p12

CIPH sings praises of CANADA JOBS GRANT PROGRAM

EVENTS See www.hpacmag.com for a comprehensive list of industry events.

The Canadian Institute of Plumbing & Heating (CIPH) has declared its support for the Canada Jobs Grant Program announced in the recent Federal budget.

“Our 260 plus members are in constant need of specific skills sets in trades, engineering, supply chain management, sales and other support fields. A recent survey we conducted shows about 40 per cent of our members will be hiring in the immediate future. These are great jobs, with good stability, very competitive salaries and room for growth,” said CIPH president and general manager Ralph Suppa, in an issued statement.

“By engaging employers to provide direction and focus on employee education and training, the Canada Jobs Grant program will help guarantee our members benefit from a labour pool with the specialized skills they require. We applaud the Federal government’s efforts to ensure Canadian employers will have the right person to do the job,” concluded Suppa. www.ciph.com <>

The Canadian Hydronics Council (CHC) is holding its 2013 Hydronics Forum at Nottawasaga Resort Inn in Alliston, ON, from May 7-9. www.ultimatecomfort.ca The Canadian Institute of Plumbing and Heating will hold its Annual ABC in Halifax, NS. Slated for June 16-18, the conference is themed “Pathways to Relevance.” www.ciph.com Cleaner Heat 2013 will be held June 18-19 at the Delta Beauségour in Moncton, NB. For more information visit http://symposium.coha.ca.

HRAI's 45th Annual Meeting and Conference will be held August 21-24, 2013, at The Westin Bayshore in Vancouver, BC. For details contact Heather GrimoldbyCampbell at 800.267.2231, ext.238. www.hrai.ca

Our New Communicating Systems Want To Tell You How Great They Are. New KeepRite® Observer™ communicating system products team up perfectly with our Observer communicating wall control to create complete home comfort systems that are easy to sell and install.

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Self-configuring system, text-based diagnostic capabilities with Observer wall control

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Up to 19 SEER from two-stage heat pump and air conditioning models

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Up to 98% AFUE heating from variable-speed, modulating gas furnace

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Full KeepRite product line covers practically every need ®

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HPAC | april 2013

13canada10213 HPAC Trade ad observer condenser.indd 1

hpacmag.com 3/27/13 11:11 AM

Left to right: Nuno D. (Stantec), Jerry L. (Uponor), Erik W. (Klimar), Brian M. (The Morgan Group), Kaveesh P. (HTS)

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< cover story

Tubing Options

Look for polymer tubing to soon dominate the market worldwide. BY John Siegenthaler

M

ost of the early water-based heating systems were designed around steam boilers. At the time, piping options were limited to mostly threaded black iron and steel. As the market developed to include both steam and liquid water based systems, rigid iron and steel piping remained the staple.

They were essentially the only materials available for piping such systems.

Figure 1 shows a typical system design from 1949, which was based on the used of rigid iron or steel piping.

Over the last 50 years, the high cost of skilled labour, energy and transportation, as well as tight construction schedules, have greatly reduced the amount of black iron and threaded schedule 40 steel piping used in smaller hydronic systems. This is not a reflection on the quality of the material, it is just a reality of the market.

COPPER TUBING The first use of copper tubing is believed to be to convey water within the great pyramids of Egypt over 5000 years ago. Mass production of copper tubing dates back to the early 1900s. Its use for hydronic heating blossomed in the post World War II housing boom. Both rigid and annealed (soft temper) copper quickly became the tubing of choice for residential and light commercial hydronic systems in North America.

The type of copper tubing used in hydronic heating systems conforms to the ASTM B88 standard. It is available in three wall thicknesses referred to as types K,L, and M. All three thicknesses have the same outside diameter, which is exactly â&#x2026;&#x203A;" added to their nominal pipe size. This makes all three types compatible with the same fittings and valves. The relatively low pressures

Figure 1 Heating system piping diagram circa 1949

used in hydronic systems allow the thinnest type, (type M), to be used in most situations. However, some codes require type L for any potable water piping.

Until the last decade, copper tubing was largely joined by soft soldering using 50/50 tin/lead solder. In most jurisdictions, this joining technique can still be used for piping carrying non-potable water. However, most codes now mandate non-lead solders for all copper piping carrying potable water.

Within the U.S., all valves and other components used in potable water systems must be classified as no-lead by January 2014.

Copper tubing remains a staple for smaller hydronic systems, but a couple of things have changed over the last two decades. First, copper tubing is now used mostly within the mechanical room and certain portions of the distribution system, rather than being the only type of tubing in the system. This

Figure 2 Press fitting joining copper

16

HPAC | april 2013

Photo courtesy Viega

Graphic courtesy Bell & Gossett

tubing

hpacmag.com

“…new “flameless” joining techniques, such as press fitting have captured the attention of many installers.” is attributable to increased used of polymer tubing, such as PEX, for a wide variety of radiant panel systems.

Second, new “flameless” joining techniques, such as press fitting, shown in Figure 2, have captured the attention of many installers. These techniques have reduced or in some cases eliminated the use of soft soldering as a joining technique.

Copper tubing is known for its relatively high corrosion resistance and excellent thermal conductivity. It remains the standard material for situations where high rates of heat transfer are required, such as from the element in a fin-tube baseboard. Copper also remains a highly valued commodity worldwide and its current price reflects market demand. This demand and pricing has also driven development of a wide variety of polymer-based tubing products for use in both hydronic systems and potable water distribution.

CROSSLINKED POLYETHYLENE In the early 1980s, crosslinked polyethylene tubing (PEX) made its way from Europe to North America. At first, it was generally viewed as a product limited to use in radiant floor heating systems. Today, PEX tubing is largely recognized as a universal piping material, with a wide variety of applications in both hydronics and potable water distribution.

Most of the PEX tubing used in North American hydronic systems conforms to the ASTM F876/877 standard. It is commonly available in nominal sizes of ⅜" to two-inch, and with pressure temperature ratings of 80 psi at 200F, and 100 psi at 180F. The type of PEX used in most closed loop hydronic systems is known as “barrier PEX.” It has a thin layer of a compound called EVOH (ethylene vinyl alcohol), which greatly reduces the rate at which oxygen molecules can diffuse through the pipe

wall. This reduces the potential for oxygen based corrosion of ferrous metal components, such as cast-iron circulators or steel expansion tanks.

PEX-AL-PEX Another popular hydronic piping material, often referred to as “composite” pipe, bonds an inner and outer layer of PEX to an aluminum core. The aluminum is protected against contact with the fluid within the pipe, as well as the material in which the piping is embedded or otherwise surrounded. The aluminum core provides a structural property that significantly reduces the linear expansion of PEX-AL-PEX relative to PEX. It also helps the pipe remain in the shape it is bent to and serves as an excellent oxygen diffusion barrier.

PEX-AL-PEX is manufactured to the ASTM 1281 standard, and has pressure/temperature ratings of 125 psi at 180F, and 110 psi at 210F. It Continued on p18

Figure 3 PEX-AL-PEX tubing being installed for radiant ceiling heating.

Figure 4 ½" PEX-AL-PEX to ¾" copper

Photo courtesy Uponor

elbow adapter.

hpacmag.com

april 2013 | HPAC

17

Continued from p17

Courtesy Jack McAllister.

< cover story

Figure 8a Use of saddle fittings to creFigure 5 PERT-AL-PERT tubing and fitting being heated prior to socket fusion. aluminum heat diffusion plates for a radiant ceiling application.

A wide variety of fittings are available for PEX and PEX-AL-PEX tubing to adapt to treaded fittings and valves, as well as to other types of tubing. The ½" PEX-AL-PEX to ¾" soldered elbow shown in Figure 4 is one example. It allows PEX-AL-PEX to pop up through the floor and connect to a ¾" copper tube within a typical fin-tube baseboard. It also has a tapping for an air vent.

Figure 6 PERT-AL-PERT tubing and fittings joined using socket fusion.

Courtesy McElroy Manufacturing

PE-RT

Figure 7 Socket fusion tool for several intermediate sizes of PP-R tubing. is commonly used in radiant panel applications, especially those involving aluminum plates for heat diffusion.

It is also readily adaptable to baseboard, panel radiators, and convectors. Figure 3 shows ½" PEX-AL-PEX tubing installed in combination with 18

HPAC | april 2013

A relative newcomer in North America, PE-RT stands for polyethylene raised temperature. Used for over 20 years in Europe, PE-RT is certified to ASTM F2623, and provides pressure/temperature ratings of 160 psi at 73F and 80 psi at 180F. PE-RT tubing is available with an oxygen diffusion barrier for closed hydronic systems. It is available in sizes ranging from ⅜" to one-inch nominal inside diameter.

One key difference between PE-RT and PEX, is that PE-RT is a thermoplastic, whereas PEX is a thermoset polymer. A thermoplastic can be heated and melted, whereas a thermoset polymer cannot. This allows PE-RT to be joined to compatible polyethylene fittings using socket fusion. The outside surface of the tube, and inside surface

ate tappings for an “extended manifold” in a radiant floor heating system.

Figure 8b Close up of saddle fusion joint. of the fitting are simultaneously heated using a special tool, such as that shown in Figure 5.

At temperatures in the range of 450F to 465F, PE-RT assumes a semimolten state. After a specified heating time, the tubing and fitting are simultaneously pulled off the heating tool and pushed together to form a very strong and permanent bond.

PE-RT is also used in combination with an aluminum core to create a composite pipe referred to as PERTAL-PERT. It is currently available in Europe, but has not yet been marketed in North America. It can also be joined to PE-RT fittings using socket fusion as shown in Figure 6.

Continued on p20 hpacmag.com

LET’S HAVE

NO IDEA HOW COLD

IT IS OUTSIDE.

Around the world, leading heating manufacturers rely on our energy-efficient circulators to help deliver precisely regulated temperature in residential and commercial buildings. Millions of our products are used in hydronic heating systems, providing comfort, savings through lower heating bills and environmentally friendly benefits. So let’s solve your heating challenge with market-leading systems and know-how that help you cut energy, maintenance and life cycle costs. For innovative ways to keep the outside out, visit canada.xylemappliedwater.com/heating.

xyleminc.com | Bell & Gossett © 2013 Xylem Inc. Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries.

< hydronics

Continued from p18

Another polymer pipe system that is relatively new to North America is PP-R (Polypropylene Raised Temperature). It is now available in sizes from ⅜" up to 24". Although the smaller sizes are available in coils, the majority of PP-R in North America is sold in four meter straight lengths. PP-R tubing has a fibreglass-reinforced core that, in combination with the polypropylene inner and outer layers, limits thermal expansion and allows sustained operating temperatures up to 160 F with a corresponding pressure of 70 psi and temporary operating temperatures of up to 195 F. PP-R tubing is joined by butt fusion in larger sizes, or socket fusion for smaller sizes. Figure 7 shows an example of a portable fixture tool now available for socket fusion of straight length PP-R tubing and fittings.

Another benefit of PP-R tubing is the ability to create tappings using a process called saddle fusion. A special

tool is used to cut a hole in the side wall of the pipe. This tool removes the cut material from the pipe. Next, the surfaces of the pipe and those of a saddle adapter are heated to approximately 500F. The saddle adapter is then pushed into the hole. The semimolten PP on the fitting and pipe wall immediately bond for a strong, permanent connection. An example of where this technique has been used to create an elongated manifold system for floor heating is shown in Figure 8.

based tubing versus metal tubing.

Although copper, stainless steel, and even black iron will retain specific “niches” in future systems, polymerbased tubing options already dominate the European hydronics market, and are very likely to continue gaining market share in North America. <> John Siegenthaler, P.E., is a mechanical engineering graduate of

Renssellaer

Polytechnic

Institute and a licensed professional engineer. He has over 34

THE FUTURE IS PLASTIC

years experience in designing modern hydronic

The global trend for hydronic system design is based on significantly lower temperatures than those used in the early applications with iron and steel pipe. Think 100F rather than 200F. These lower temperatures enable modern heat sources like condensing boilers, heat pumps and solar collectors to achieve high efficiency. They also support more widespread use of polymer-

heating systems. He is also an associate professor emeritus of engineering technology at Mohawk Valley Community College in Utica, NY.

Check out HPAC's Tubing Product Showcase on p38.

11th IEA HEAT PUMP CONFERENCE Global Advances in Heat Pump Technology, Applications & Markets Montréal, May 12-16, 2014 Including a pre-conference academic workshop of the

NSERC Smart Net-Zero Energy Buildings Strategic Research Network To learn more about these events and sponsorship opportunities visit the conference website at:

www.iea-hpc2014.org Conference presented by the Canadian GeoExchange Coalition www.geoexchange.ca

20

HPAC | april 2013

hpacmag.com

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gmbusinesschoice.ca *Adrian Steel is a registered trademark of Adrian Steel. Value of equipment depends on upfit package selected. Eligible vehicles, equipment, tools and accessories may differ slightly from version shown. Customer may choose only 1 option (A,B,C,D) per eligible vehicle. All incentive packages are tax inclusive, Options B and C inclusive of parts and labour. Business Choice valid toward the purchase or lease of eligible new GM vehicles in Canada for eligible companies with an active FAN or business number. See Dealer for full program details and eligibility. **Contact your local dealer for details on all 4 Business Choice options. This offer expires October 31, 2013. ©Copyright 2013 General Motors of Canada Limited.

OPTION D

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< cooling

Condenser Water System Components An overview of how condenser water system components react to changing conditions.

BY Mick Schwedler and Beth Bakkum

Cooling towers Cooling towers reject energy (building load and heat of compression) from water-cooled chilled-water systems. To reject heat, water is passed through the cooling tower where a portion of it evaporates. How close the leaving tower water temperature is to the outdoor air wet-bulb temperature is called the approach. The approach changes as outdoor condition, heat rejection, and cooling tower airflow vary. The lower the approach temperature, the colder the water temperature will be leaving the cooling tower. The approach is important because the tower leaving water temperature is the same as the chiller entering condenser water temperature.

During operation, approach changes as follows:1 • At a decreased heat rejection load, approach decreases.

•A t a constant heat rejection load, as wet bulb decreases, approach increases.

•A s water flow decreases, approach decreases.*

fan power (hp)

Figure 1 Cooling tower fan performance 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 0%

20%

60% 40% % tower fan speed

80%

100%

•A s tower fan speed is reduced, approach increases.

Let's turn our attention to cooling tower performance as fan speed is reduced. It is important to understand how tower fan speed and airflow reduction affect cooling tower fan energy.

At off-design conditions, cooling tower fan speed may be modulated. Figure 1 shows that the tower fan power varies with the cube of the speed – so reducing fan speed by just 30 per cent (i.e., to 70 per cent) results in a power reduction of almost 66 per cent.

Note that even when the tower fan is off, due to convection there is still heat rejection available – often a bit above 15 per cent of the tower capacity.

Condenser water pumps Condenser water pumps supply the required condenser water flow rate and overcome the pressure drop through the chiller's condenser, the condenser water pipes, elbows and valves, and lift the water from the basin to the top of the cooling tower (the static lift). As flow varies, the pressure drop through the system and the condenser vary approximately with the square, but static lift remains constant.

The equation for pump power is shown below. As flow rate and pressure drop decrease, the pump power decreases.

The effect of condenser pump power reduction on optimal system operation will be discussed in HPAC’s May/June 2013 issue.

Condenser water pump kW = gpm x ΔP x 0.746 3960 x PE x PME x PDE†

TABLE 1. Cooling tower operation/selection with decreased flow Condition

Load (%)

WB (F)

Range (F)

Flow (gpm)

Approach (ºF)

LWT (F)

EWT (F)

Fan Speed (%)

Tower Power (hp)

AHRI flow rate

100

78

9.3

2100

7

85

94.3

100

40

Same tower, GreenGuide recommended flow rate

100

78

14

1400

5.1

83.1

97.1

100

40

Oversized cooling tower (37 per cent more 100 78 14 1400 5.5 83.5 97.5 100 20 cost)‡ * At some reduced flow rate the approach increases, even if the flow rate is above the minimum for the tower. This is due to reduced heat transfer effectiveness. † PE = Pump Efficiency; PME = Pump Motor Efficiency; PDE = Pump Drive Efficiency ‡ The larger cooling tower can be paid for by the reduction in the condenser pipe and pump installed cost. In this case, the tower fan power was reduced by oversizing the tower.

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HPAC | april 2013

hpacmag.com

Cooling tower cells

cooling tower, as flow rate is reduced, the entering tower water temperature rises. Note, the range difference is 4.7F, but since the tower approach temperature improves, the entering tower water temperature only increases by 2.8F. Entering tower water temperature is the same as the chiller leaving condenser water temperature. So, as flow rate is reduced, the chiller leaving condenser water temperature rises, as does the chiller power. <>

A cooling tower cell consists of the structure, media, and fan. It should be noted that it is more efficient to operate multiple tower cells at part speed than one tower cell at full speed. For example, one cell operating at full speed (40 hp) and the other off gives about 58 per cent of the tower's capacity. Two cells with fans each operating at 60 per cent—a total of 20 hp—gives 60 per cent of the tower's capacity.

Chillers

Mick Schwedler is manager, applications engineering, and Beth Bakkum

A chiller's compressor must produce the pressure difference (lift) between the evaporator refrigerant pressure and the condenser refrigerant pressure. The evaporator pressure is determined primarily by the chilled water leaving temperature. Often people think of the entering condenser water temperature as setting the pressure the chiller's compressor must produce. That is incorrect. The condenser refrigerant temperature and pressure are determined primarily by the leaving condenser water temperature—which in turn is determined by the entering condenser water temperature, chiller heat rejection, and flow rate.

As shown in the first two columns of Table 1, for a given

is information designer with Trane – a business of Ingersoll Rand. This first appeared in Engineers Newsletter Volume 41-3. www.trane.com/engineersnewsletter REFERENCE 1. SPX Cooling Technologies. 1986. “Cooling Tower Performance: Basic Theory and Practice.” Marley Cooling Tower Information Index. Available at http://spxcooling.com/pdf/CTII-1.pdf.

T:7”

* In HPAC May/June look for Condenser water system savings: Optimizing flow rates and control.

GET REAL

T:4.875”

apprentice flexibility

__________________________________________________________________________ .

APPRENTICESHIP TRAINING: A WIN-WIN FOR STUDENTS AND EMPLOYERS. In SAIT Polytechnic’s Apprenticeship Blended Learning Program you can complete your carpentry, welding, electrical or plumbing theory courses online followed by your lab and shop time in state-of-the-art-facilities.

All while working as an apprentice in your chosen trade. It is a great way for employers to keep their best workers on site and for you to keep working while pursuing your career.

CA R P E N T E R • E L ECT R I C I A N • P LU M B E R • W E L D E R VISIT tradesecrets.alberta.ca or SAIT.ca hpacmag.com

april 2013 | HPAC

23

< Up-and-coming

When plumbing flows in your veins Following in the footsteps of his father and grandfather, Jean-Sébastien Simard embarks on a promising career in plumbing, qualifying for the WorldSkills Competition. BY luc boily

O

Photo l’École des métiers de la construction de Montréal

rganized by Skills/Competences Canada*, the 42nd biennial WorldSkills will be held in Leipzig, Germany, July 2-7, 2013. Based on their success at the Skills Canada National Competition (SCNC), 35 competitors have qualified to become members of WorldSkills Team Canada. Their abilities will be measured against over 1000 competitors from 61 countries and regions at the famous Leipzig Trade Fair. More than 43 professional trades will be represented. WorldSkills provides a unique means of exchange and comparison of global standards of skills in different fields, including the industrial building industry.

Plumbing/Heating Competitor In the field of plumbing and heating, Jean-Sébastien Simard from l’École des métiers de la construction de Montréal qualified to represent Canada at Leipzig. Living in the north outer suburbs of Montreal, QC, Simard is currently working as a first year plumber apprentice for Groupe Paquette Mécanique Du Bâtiment Inc., a company specializing in turnkey projects for commercial, institutional, industrial and big residential projects. This Laval-based company has become one of the leading mechanical contractors in Quebec. Under site foreman Daniel Bouchard’s guidance, Simard is now involved in one of the major construction projects underway in the City of Montreal: the $2.3 billion McGill University Health Centre (MUHC), which is scheduled to open its doors in the summer of 2015.

One thing is for sure, the way he distinguished himself in the local, provincial and national SCNC competitions – entitling him to join Team Canada for the prestigious WorldSkills – will open doors for him. His teachers were the first people to encourage him to apply for the Skills Competition because of the talent they recognized in him. He takes nothing for granted regarding the July competition.

Simard started a 40 hour per week training program on April 1.

"I know very well that the WorldSkills brings together the best students in the world in their field. The only thing I can do is give my very best, and see where it will lead me. In a sense, I already consider myself a winner for my good fortune to participate in this rewarding experience,” said Simard.

Dedication to training

The future

Inspired by the example of several family members who are working in the plumbing industry – including his father, grandfather and one uncle – Simard would like to become foreman himself one day. The 19-year-old young adult sees the future with optimism: "I am proud of my vocational diploma (DEP), but I don’t discard the idea of resuming my studies in mechanical engineering in the near future."

Upon his return from Leipzig this summer, Simard would like to return to work with Paquette, but with the heating division, if possible, to broaden his skills and gain experiences in both his educational areas: plumbing and heating. The HPAC team wishes him the best of luck at WorldSkills. <>

Jean-Sébastien Simard in training

Luc Boily is the editor of Plomberie, Chauffage & Climatisation, HPAC’s

South view of the MUHC in February 2013.

French language publication.

Photo: MUHC

* Founded in 1989, Skills/Competences Canada is a national, not-for-profit organization, which promotes careers in skilled trades and technologies to Canadian youth in partnership with employers, teachers, labour organizations and governments. Further information is available at www.skillscompetencescanada.com or tel. 877.754.5226.

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HPAC | april 2013

Watch for profiles of other HVAC/R and plumbing industry WorldSkills competitors in HPAC’s May/June 2013 issue. hpacmag.com

Well Equipped - to Deliver the Hottest News.

HPAC E-xpress has been optimized for your hand-held device!

Our recently commissioned survey showed a significant increase in the number of e-newsletters being opened on hand-held devices. Just like the magazine you’re reading, HPAC E-xpress wants to keep you ahead of the curve - digitally.

To make sure that you don’t miss a single news item we have redesigned our e-newsletters so that you

can stay up-to-date in the office and on the job site.

Featuring the most current Canadian mechanical industry happenings HPAC E-xpress keeps you up to date with stakeholder news, upcoming events and more.

If you are not currently receiving HPAC E-xpress simply visit our website at hpacmag.com and click on SUBSCRIBE – then Free e-newsletter it’s that simple!

Stay in the digital loop – follow HPAC on Twitter @hpacmag

< BATHROOMS

Just add water The latest, greatest bathing beauties.

—By Michael Totzke

2 1

1-BATHING WITH THE BOUROULLECS Flowing chrome faucets and smooth, white mineral cast shelves – with soft, deliberate lines – characterize the Axor collection created by the fabulous Bouroullec brothers, Ronan & Erwan. Truly customizable, Axor Bouroullec comprises 40 products, including faucets, washbasins, a bathtub, shower components, and accessories. www.hansgrohe.ca 2-CURVES AHEAD Victoria + Albert’s newest premium tub is Cabrits, inspired by the peninsula of the same name on the Caribbean island of Dominica. With an elegantly sinuous shape, Cabrits is constructed of Englishcast, a naturally white material rich in volcanic limestone, warm to the touch, highly durable and easy to clean. http://vandabaths.com/en_ca/

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HPAC | APRIL april 2013

hpacmag.com

3

4

1

1-PALATIAL Andreas Dimitiadis of Platinumdesign created the Palace collection for Laufen.

A versatile bathroom suite, it features washbasins that can be cut to size to fit snugly into any bathroom layout. Palace also includes contemporary furniture and an integrated towel rack. www.laufen.com 2-HIGH & DRY Duravitâ&#x20AC;&#x2122;s latest introduction is the Architec Dry Urinal. Entirely water free, it uses a specially developed organic-gel cartridge to keep odours at bay, as well as dry-flush technology to save thousands of gallons of water in its lifetime. www.duravit.com 3-IDRO OF ITALY BLU Scavolini has introduced seven collections under the art direction of the Castiglia Associates Studio. One of these is Idro, whose hallmark is a door with a groove cut out of the upper thickness of the door itself. Available in both glossy and matt lacquered finishes, it comprises 25 washbasins, sanitary fittings, taps, shower units and trays, tubs, mirror units, and accessories. www.scavolini.us/ 2

hpacmag.com

4-A TALE OF TWO MATERIALS Kube is the initial offering of the Kubico brand, created by Delineodesign.

A visually striking freestanding washbasin, it combines the rough and the smooth: Apocem, a new material of fibre cement, and Corian. The front panel features an innovative slot for hanging up towels, which hides a drawer. www.delineodesign.it/en/

april 2013 | HPAC APRIL

27

< BATHROOMS

1

3

4

5

2

1-CHOICES, CHOICES Hansgrohe’s new Metric collection of bathroom faucets features multiple spout heights; whether you are brushing your teeth, filling up a fishbowl of even washing your hair, there is a faucet that makes it easy. www.hansgrohe.ca 2-(IM)PERFECTION From Duravit, the Starck 2 range of washbasins has been redesigned by its creator, Philippe Starck. Large, deep and just slightly oval, they seem entirely organic. www.duravit.com 3-WHO’S THE FAIREST? Native Trails has introduced a pair of mirrors handcrafted from FSC-certified bamboo. Shown here is Solace, with a minimalist shape and optional detachable shelf. (The second mirror, Harmony, is rectangular.) www.nativetrails.net 4-WHAT’S BLACK & WHITE… The latest introduction from Montreal-based Wetstyle is the Head/Back Rest, made of PVC and available in black and in white. Placed directly on the bottom of the bathtub, it leans on the back slope of the bathtub; four suction cups prevent it from floating. http://wetstyle.ca 5-FROM THE SOUTH POLE Vancouver-based Sustainable Solutions manufactures and distributes products – made from heavy brass construction for durability – that aim to reduce water flow. Its latest collection of faucets is Fluid, which includes the whimsical Penguin. www.sustainablesolutions.com

28

HPAC | APRIL april 2013

—M ichael Totzke is editor of Canadian Interiors, where this feature first appeared. Design by Lisa Zambri.

hpacmag.com

Video Inspection showcase The compact Gen-Eye Vista from General Pipe Cleaners includes a DVD recorder and SD card reader, all in one. Record video or still images on both devices simultaneously, then keep one copy for your records and give a copy to the customer.

An optional USB port is also available. The Vista features a built-in rechargeable battery that lets the unit operate in the field on battery power alone for up to four hours. The unit includes an eight-inch LCD colour monitor, full keyboard for onscreen titling, on-screen distance counter, built-in voice over, date and time stamp, LED dimmer control, camera test port, and both AC and DC power cords. All components are contained in a padded 24-lb. case that can be standalone, or mounted on a reel. With this package, users can trouble-shoot three-inch to 10" lines with a full size reel or get down to two-inch to four-inch lines with a mini-reel. www.drainbrain.com

VeriSight Pro’s digital interface displays real-time inspection footage on an eight-inch LCD, records up to 90 hours of inspection video to internal memory, and allows an operator to enter observation data for upload directly to WinCan. An intuitive, customizable interface allows it to zoom 3X on live or recorded video, capture still images from live or recorded video, configure the 16-page text writer, browse thumbnail galleries, and select among several available languages. It comes in standard lengths

Ratech Electronics has introduced the Pan n’ Tilt push camera, its newest portable inspection system for pipes and drains as small as four inches in diameter. Originally used as a mainline camera, the Pan n’ Tilt has been redesigned to fit into small lateral pipes. It allows users to see everything closer and at different angles when it is attached to a push cable. This camera can be purchased as a retrofit to existing Ratech systems, or as a stand alone unit. It rotates fully 360 degrees and 210 degrees up or down, allowing users to view the pipe condition in detail. An optional steerable gooseneck assists the camera in the direction users want it to go. Combining this camera with a Ratech control unit, such as the Elite SD, gives recording capability using SD/USB drives and allows mpeg video capture and jpeg image capture of pipe inspections. Also included is a 512Hz sonde, an on-screen text display overlay system, electronic distance counter, time, date and eight pages of memory. Standard Gel-Rod cable length supplied is 200' to 400'. www.ratech-electronics.com

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HPAC | april 2013

hpacmag.com

The Model 9 portable camera control unit from Image Inspection Services features a built in colour LCD monitor with sun shade, digital recorder with USB, and video out connector for connecting to a separate recording device. It has an adjustable light power supply and houses a complete mini reel with slip ring and mini colour camera.

The control unit, monitor, and camera reel are housed in a rugged, waterproof case about the size of a small briefcase, which also holds the battery, battery charger, and interconnect cables. http://image-inspect.com/

The Magnum DVR Controller from Hathorn features audio and video out jacks, 10.4" daylight readable monitor, click touch controls, 512hz Sonde and one touch recording with pause key. It records directly to a USB stick and offers 16 pages of text writing with memory saves. Voice over recording is built in. The unit has a two-hour battery with a built-in charger and on screen footage counter. Files may be renamed on the memory stick after they have been recorded. www.hathorncorp.com

of 130', 200' and 330'. Measuring 1.62" in di-

REMS

ameter, its stainless steel camera head with

CamScopeS

is a mobile, endo-

high-sensitivity imager and shadowless LED

scope camera with

lighting inspects pipes two-inch to nine-inch. An

radio signal trans-

integral tri-band sonde transmits at 33 kHz, 512

mission. The voice

Hz or 640 Hz. The entire system runs off mains

recording enables

power, vehicle power, or an internal rechargeable

easy commentary

six-hour Lithium-ion battery. www.jjei.com

during video recording. The handheld

Lightweight and compact, the RIDGID SeeSnake

hpacmag.com

unit with camera

cable set weighs

microReel camera system offers a versatile way

0.2 kg. It features a sturdy, impact-proof plastic housing with

to inspect lateral sewer lines from 1-½" to four-

ergonomically shaped handle, power LED for indicating the oper-

inch in diameter and up to 100' long. Designed

ating state, a removable battery holder for four commercially

for use in lateral lines that exit buildings and con-

available 1.5 V, AA, LR6 batteries, and an on/off thumbwheel

nect to septic or sewer lines, the system features

switch for continuous brightness control of the LEDs in the cam-

a 100' cable and a 25-mm camera head with op-

era head. Plug-screw connections simplify changing the camera

timal lighting. Its durable push cable is designed

cable sets and push cable extensions. The controller unit has a

to be stiff enough to reach longer distances, yet

3.5" colour display with TFT-LCD technology, 88 mm screen di-

flexible enough to allow access through bends

agonal and 320 x 240 pixels. The unit is removable for radio

in the lines. The microReel system is also com-

signal transmission or securely pluggable to handheld unit for

patible with SeeSnake monitors and the micro CA-

direct signal transmission by contact pins. Pictures and videos

300 Inspection Camera, allowing digital record-

can be saved on a MicroSD card for simple documentation. The

ing of still and video images for storing and

date and time of the recording can be saved in the picture and

reporting inspections. www.RIDGID.com/micro

video as an option. www.rnrtools.com april 2013 | HPAC

31

< Cooling

How To Avoid IT System Failures

Prevent equipment overheating in server rooms using ceiling-mount spot air conditioners.

BY EDDIE STEVENSON

A

s businesses and organizations increase their reliance on IT equipment such as servers and telecom switches for their vital, everyday business functions, they face a new and serious challenge: finding a costeffective way to keep the equipment cool.

IT equipment is usually housed in a dedicated server room, also referred to as a server closet, office data centre, computer room, telecom room, network closet, and so on. Even for small businesses, a server room can easily contain two or more racks of equipment that are heat-sensitive and a source of considerable heat themselves. This equipment must be kept cool in order to prevent it from malfunctioning or incurring expensive damage. More serious consequences can result when a heat-related IT equipment failure causes a business interruption.

A buildingâ&#x20AC;&#x2122;s central air-conditioning system can sometimes provide the necessary cooling, but it is usually expensive, as well as being a wasteful use of energy. This is especially true since most IT equipment must operate continuously, including periods when the building is unoccupied and does not otherwise require cooling.

Moreover, the temperature in the server room usually needs to be kept lower than the rest of the office space, and its higher heat-load requires more cooling power. Unless air conditioning can be delivered separately to the server room, other parts of the office can become uncomfortably cold for employees working there.

Figure 1 Condenser and evaporator coil in a single unit

32

HPAC | april 2013

In addition, during cool-weather months, if the central air conditioning system switches to heating mode, the server room and its equipment will be heated along with the rest of the building. When that happens, a heat-caused IT equipment disaster is almost inevitable. For these reasons, server rooms usually require their own dedicated air-conditioning system.

GROWTH IN THE USE OF SERVER ROOMS Computers and associated electronics equipment have become essential to a wide range of business activities, including general operations, accounting, Internet transactions, internal and external e-mail, IP telephones, hotel pay-perview and satellite television systems, etc.

The dynamic growth in the amount of electronics equipment used by businesses to perform these functions means that dedicated server rooms are increasingly required to house this equipment, separate from general office space.

Electronics equipment can suffer both short- and long-term effects from overheating.

In some situations, inadequately cooled equipment may continue to function and show no immediate signs of overheating, but its life cycle may be considerably shortened, adding to investment costs.

In other situations, severe overheating and accompanying system failure can occur very quickly, especially if there are several or more racks of equipment, which can generate a large amount of heat.

Figure 2 Ceiling-mount use in server room

hpacmag.com

If the temperature rises to a dangerous level, servers, which contain a companyâ&#x20AC;&#x2122;s critical data, will usually shut themselves down to prevent possible damage or data loss. Network routers, which handle a companyâ&#x20AC;&#x2122;s internal and external data transmissions, such as e-mail and telephone communications, however, are even more vulnerable. Overheating can permanently damage these, requiring costly replacement.

Potentially even more costly than equipment replacement is system downtime, which will bring business activities and transactions supported by the electronics equipment to a halt.

A HISTORICAL PERSPECTIVE Originally, mainframe computers, which produced very high amounts of heat, were housed in their own rooms the size of basketball courts. Huge air-conditioning systems kept the ambient temperature at a constant 55F. Later, with the introduction of server technology, sophisticated precision cooling systems were specifically designed to accommodate the many dozens or even hundreds of racks of equipment contained in large, dedicated data centres.

Today, the proliferation of server rooms within general-use office space presents new challenges for air conditioning.

Until recently, providing server rooms with dedicated air conditioning has most commonly been accomplished with either mini-split or precision cooling systems. The introduction of a relatively new class of self-contained commercial air conditioners, called spot air conditioners or spot coolers, offers an alternative to those systems.

HOW THEY WORK Conventional air conditioners, including precision cooling and mini-split systems, consist of two separate units, one containing a condenser and the other an evaporator coil. Self-

Figure 3 Quality features to look for

contained spot air conditioners, as shown in Figure 1, combine both a condenser and an evaporator coil in a single unit.

Cold refrigerant flows through copper tubing from the condenser to the evaporator coil. A fan blows over the coil, pushing cold air out. A second fan pushes hot exhaust air out through a flexible duct, which is usually directed into the crawl space above a drop ceiling.

In addition to air-cooled spot air conditioners, water-cooled models can be used in applications where there is no available space for the hot exhaust air. With air- or water-cooled units, excess moisture removed from the air collects in a small condensation tank and is automatically pumped out to a drain or, in the case of portable units, can also be disposed of manually.

PORTABLE VERSUS CEILING-MOUNT Spot air conditioners are available in both portable as well as ceiling-mount models. Even though portable models are primarily designed for applications where they can be quickly and easily moved, they are often used in permanent installations as well.

A major advantage of portable spot air conditioners is their small size. This makes them suited for use in applications where space is at a premium, such as small to medium-size server rooms. Many server rooms, however, do not have even the small amount of floor space that a portable spot air conditioner requires. In such cases, a ceiling-mount model is usually a practical choice (see Figure 2).

In addition to their low cost, ceiling-mount spot air conditioners are smaller than precision cooling systems, so they are easier to install in the limited crawl space found above most server rooms.

Also, ceiling-mount spot air conditioners consist of only a single, precharged unit. Some ceiling-mount spot air conditioners are available in 115-V models.

In some crawl spaces, obstructions such as light fixtures can limit where an air conditioner can be placed. To overcome this, ceiling-mount spot air conditioners use flexible air ducts for both supply and return. Also, the location of the supply and return can be changed to eliminate any new hot spots that may result from changes in equipment configuration.

WHAT TO LOOK FOR When choosing a ceiling-mount spot air conditioner, features can vary greatly. Here are some important things to look for: High sensible cooling capacity: Heat-generating IT equipment requires a higher sensible cooling capacity than most applications, so before choosing an air conditioner it is esContinued on page 34 hpacmag.com

april 2013 | HPAC

33

< Cooling

Continued from page 33

“Today, the proliferation of server rooms within general-use office space presents new challenges for air conditioning.” sential to determine the minimum sensible cooling capacity needed. Also, be sure to take into account possible future increases in the amount of equipment to be cooled.

Quality of manufacturing: Look for a system with fan motors that are fully enclosed in protective housings to prevent dust from building up. Dust that accumulates on the motors can absorb moisture, leading to corrosion or electrical shorts.

Sheet-metal panels should have stress-relief notches at the bends and should be attached to the frame at load-bearing points by machine screws, or by lighter-duty sheet-metal screws.

Is the refrigeration unit hermetically sealed, or does it have service valves, which are prone to leaks? Are the refrigerant pipes connected by reducers and expanders or distributors, instead of by pinching and brazing?

Pinching and brazing restricts the flow of the refrigerant, reducing cooling efficiency and long-term performance.

In addition, the connections created using this method are weaker and more subject to vibration-caused stress cracks and subsequent leakage.

Such quality-oriented details are telling indicators of high-quality equipment that is designed and manufactured

with long-term reliability in mind.

Built-in features: The best self-contained air conditioners will usually come with built-in features that can have a major impact on the cost and ease of installation, as well as on the ease of use in daily operation. Some of the most important features include: • Vibration isolators •M ounting brackets that allow installation with off-the-shelf hardware • Condensate pump • Air supply and return flanges •W all-mounted, programmable controller •E asy integration with an energy management system (EMS) •C onnection to building fire alarm, for automatic safety shutoff •C onnection to building control system, for remote control and monitoring of operation igh seasonal energy efficiency ratio •H (SEER) Established manufacturer: Look for a company that has established itself for many years in the industry and stands out as a leading manufacturer of airconditioning equipment. This is a good sign that the company will be around to support their equipment well into the future.

Also look for a company with a broad distribution base and a large number of dealers who will support and service their equipment where you are located.

Additionally, some manufacturers cover their equipment for both parts and labour for the entire length of the warranty. <> Eddie Stevenson is CIS marketing supervisor with Denso Sales. Stevenson can be reached at eddie_stevenson@densodrive.com.

34

HPAC | april 2013

hpacmag.com

“An energy audit helped us identify opportunities to save money by reducing electricity use.”

Mik Bannon, Mike B VP of Production, Tempo Plastics

Saving energy makes sense – business sense.

Get up to 70% off project costs, including: • Engineering studies • On-site energy manager

Energy efficiency incentives from your local electric utility are available for manufacturing operations like yours. Whether you’re in the plastics and packaging, automotive or food and beverage industry, you may be covered for up to 70% of your project costs, including engineering studies and process and systems upgrades to help lower operating costs.

• Key system upgrades • Monitoring and targeting

Big or small, every Ontario business can benefit from energy efficiency.

Contact your local electric utility or visit saveonenergy.ca/industrial

Subject to additional terms and conditions found at saveonenergy.ca. Subject to change without notice.

A mark of the Province of Ontario protected under Canadian trade-mark law. Used under licence.

OM Official Marks of the Ontario Power Authority.

tubing showcase

Bow OXYPEX cross-linked polyethylene tubing is designed specifically for hydronic heating and hydronic radiant closed loop heating applications.

It has an oxygen outer barrier liner. An outer liner limits the oxygen permeation rate through the pipe wall. OXYPEX tubing can also be used in snow melting applications. This tubing complies with DIN 4726. Oxypex is made to CTS (Copper Tube Size) outside dimensions and an SDR (Standard Dimension Ratio) of nine and is available in the following nominal sizes: ⅜", ½", ⅝" ¾" and 1", in footmarked coils up to 1200' long. The tubing has a continuous working pressure of 690 kPa (100 PSI) at 82C (180F) and 1105 kPa (160 PSI) at 23C (73F). www.bow-group.com

Aquatherm Blue Pipe (formerly Aquatherm Climatherm) is a polypropylene-random (PP-R) piping system that is specifically designed for hydronic, chilled water, condensing water, and industrial applications. Made from over 98.5 per cent pure polypropylene, the pipe has natural insulation properties. Depending on the application’s minimum operating temperatures and maximum humidity lev-

ViegaPEX Barrier tubing is produced from cross-linkable, high

els, Blue Pipe can be installed without insulation and still produce no

density polyethylene resin and includes four layers. The first layer

condensation during normal operation. An optional faser-composite layer

is cross-linked, high density polyethylene. The second layer is

reduces linear expansion of the pipe, ensuring that it hangs rigidly in op-

an adhesive for the third layer, the ethylene vinyl alcohol layer

erating temperatures up to 82C. During the piping installation, the pipe

(EVOH oxygen barrier). The fourth layer is another thin layer of

and desired fitting are simply inserted onto an Aquatherm welding device

polyethylene, applied on the outside to protect the EVOH layer

and heated for a specified time, then joined together, creating a single,

from damage. Three sizes of ViegaPEX Barrier tubing (⅜", ½" and

homogenous material. The pipe systems come in dimensions ranging

⅝") and ½" Viega FostaPEX are compatible with the company’s

from ½" to 24" and have numerous code approvals.

newest panel system, Viega Rapid Grid. The panel system

www.aquatherm.com 36

HPAC | april 2013

hpacmag.com

Manufactured by Great Lakes Copper, Inc. in London, ON, since 1958, type L copper tubing is formable, recyclable and an excellent conductor of heat. Available in soft annealed coils, or in hard straight lengths for potable water, hydronic heating, solar and HVAC and natural gas LP gas heating. www.glcopper.com Watts Radiant's RadiantPERT line of polyethylene raised temperature (PE-RT) flexible tubing is suited to hydronic heating, cooling, snow melting, and distribution applications. It has an oxygen barrier with ratings up to 180F (82C) at 80 psi and is built with Dowlex 2344 for high strength, high temperature resistance, and long life without cross-linking. The piping is recyclable and is certified to ASTM F2623 for PE-RT SDR 9 Tubing by NSF and CSA. www.WattsRadiant.com

Roth X-PERT S5 five-layer pipe with oxygen barrier consists of a layer of ethylene vinyl alcohol polymer (EVOH) sandwiched between two layers of DOWLEX 2344 Polyethylene Copolymer Resin and two layers of adhesive. This structure provides the long-term, hydrostatic design strength HeatLink O2 Barrier PEX-a tubing is high mo-

demanded by hydronic heating applications.

lecular cross-linked polyethylene (PEX) with

The outer layer of DOWLEX 2344 also provides

a minimum bending radii of six times the di-

a protective shield for the oxygen barrier to en-

combines insulation, vapour barrier

ameter at 68F (20C). Maximum operating

sure that the radiant heating system has the

and a grid system to secure tubing in

temperature is 180F at 100 PSI (82C at 690

best protection available against oxidation due

one product. With a compressive resis-

kPa). The tubing has an oxygen diffusion bar-

to oxygen permeation of the piping system.

tance at 10 per cent deformation at

rier designed to prevent oxygen from entering

Applications include radiant floor heating sys-

25 psi/3600 psf, installers are able to

the heating system through the tubing wall. It

tems; radiator and baseboard hot water connec-

walk tubing in for faster and simpler

is available in ⅜", ½", ⅝", ¾", 1", and 1-¼"

tions; and snow melt applications. The pipe’s

installation. This method of tubing

coils and ¾", 1" and 1-¼" straight lengths.

outer layer does not squeak when in contact

installation requires no fasteners.

Freeze and chemical resistant, the tubing is

with itself or wood. Expansion noise concerns

www.viega.com

UV stabilized for up to 12 months exposure to

are minimized. www.roth-usa.com

sunlight. www.heatlink.com hpacmag.com

continued on p38 april 2013 | HPAC

37

tubing showcase continued from p37

Uponor’s Wirsbo 2" hePEX is an alternative to rigid piping systems, utilizing proven ProPEX fitting technology

for

durable

connections

without

the

need for torches, glues, solvents or gauges. It is designed for use with Uponor’s new PEX-a Pipe Support, which enables hanger spacing equal to that of copper. Products are listed to ASTM E84 for use in plenums without the need for insulation. www.uponor.ca Mr PEX Barrier PEX tubing is Cross-Linked Polyethylene (PEX-a) manufactured in accordance with ASTM F 876. The tubing is listed to ASTM F 876/877 (CSA B137.5), and also certified by NSF (NSF-rfh). It is rated at: 125 psi at 73.4F; 100 psi at 180F; and 80 psi at 200F. It has an EVOH oxygen barrier that meets DIN 4726. Tubing sizes ⅜" and ½" also have a thin coating of PE on top of the barrier in order to reduce noise when installed in aluminum heat transfer plates. The tubing can be exposed to a bending radius approximately four times the actual outside diameter without kinking in the majority of installations. Suited to a number of installation options, on existing concrete the ½" is used with RetroPanel.

Low profile ¾" finished height RetroPanel is also suited to new construction applications. Heat transfer plates, insulation and channels for ½" tubing are built-in. www.mrpexsystems.com

McElroy has launched the Spider 125 socket fusion tool. The Spider 125 is a lightweight, compact socket fusion device that allows a single technician to properly align, heat, fuse and cool the pipe. The device is nonback drivable, which means that constant and consistent pressure is maintained throughout the socket fusion process. Designed for 63mm to 125mm polypropylenerandom (PP-R), the Spider 125 works by attaching the pipe and fitting using a complete encirclement clamping system to eliminate slippage during the joining process. The device’s crank handle allows the operator to efficiently bring the pipe and fitting into contact with a socket fusion heater,

Rehau’s RAUPLATE radiant heating systems are installed in the joist

to remove the heater after the proper soak time, and then to bring the

space below the floor and are built with a pre-drilled single plate design

pipe and fitting together to fuse and cool. The device offers a 20-to-1

for quick and simple installation. RAUPEX O2 Barrier Pipe is clipped into

mechanical advantage and weighs 13 pounds. It is sold separately and

the two-channel aluminum heat transfer plates. The aluminum plates are

as part of a package combining a custom-designed toolbox, stand, and

designed to provide excellent heat output without striping.

organization system. A variety of popular pipe and fitting size inserts are

www.rehau.com

included with both. www.mcelroy.com/ppr

38

HPAC | april 2013

hpacmag.com

SAVE THE

DAY

WARNING: Using Aquatherm pipe does not give you superhero powers, even though you may feel like it. Do not attempt to fly or stop trains. Seriously.

Here’s your chance to be everyone’s hero.

What if you could install hydronic systems that were invulnerable to things like corrosion and pinhole leaks? What if your connections were faster and more reliable than anyone ever thought possible? And what if your systems helped save the planet, as well as time and money? Yeah, we think that would be super too. Visit us at Aquatherm.com and learn how you can unlock your powers with our heat-fused Polypropylene pressure pipe.

403.809.8707 www.aquatherm.com

aquatherm change what’s possible

The KWC SAROS range of single-lever kitchen faucets feature clean lines and an ergonomically designed pull-out spray. The faucets incorporate a self-cleaning technology that keeps the spout free of mineral deposits. The new series consists of three faucets, including a bar faucet, and two larger models, all with flow rates of 1.8 gallons per minute at 60 psi. Magnetically docked to the 360° swivel spout, the spray extends nearly two feet, while locking tightly back into place with a click when returned to its fully retracted position. Two spray settings are offered: an aerated Neoperl Cascade and a needle

Lochinvar’s re-engineered SHIELD commercial

spray. www.kwcamerica.com

water heater line now includes three additional models, extending the offering from 125 000 Btuh to 500 000 Btuh. The three new models include a 125 000 Btuh unit, which offers storage of 65 gallons, and both the 150 000 Btuh and the 200 000 Btuh models are now available in ASME construction, as well as the original standard construction. Updates to improve the design and overall performance of the water heaters include easier access areas for simplified installation with all of the water, gas, air and vent connections now located at the top of the unit. In order to reduce leak po-

The turnkey, job ready Duplex Grinder Package

tential, the number of connection points in the

The NRC1111 line of fully condensing tankless

System from Franklin-Electric is suited to de-

water recirculation piping, such as solder

water heaters from Noritz America is available

manding residential and light commercial sew-

joints, ProPress connections and threaded

in either natural gas or propane. With Btu in-

age removal applications. Designed for easy

connections, have been reduced to 11. The

puts from 16 000 to 199 900 and flow rates of

installation, it features a heavy-duty fibreglass

integrated control board on the unit has been

0.5 gallons per minute to 11.1 gpm, the

basin, commercial grade stainless steel rail

relocated to the front of the appliance. Chang-

NRC1111 can meet the hot water needs of

system, or rigid discharge piping assembly,

es to key control operations include the addi-

most large residential applications. A stain-

MGPD duplex control panel, and two GP-M

tion of password security, adjustable pump

less steel secondary heat exchanger transfers

Series two hp Manual Grinder Pumps.

delay and the ability to enable contacts from

heat energy from the exhaust gas to incoming

www.franklin-electric.com

the control module. www.Lochinvar.com

cold water. This preheating process lowers the temperature of the flue gases, permitting vent

Zurn Industries has introduced the ZTR6203 sensor flush valve for

runs with Schedule 40 PVC piping, rather than

urinals, the companion product to the ZTR6200 sensor flush valve

stainless steel venting. Using a Quick Connect

for water closets. The ZTR suite is performance engineered with

cable, two NRC1111 units can be coupled to

dual technology designed to reduce water consumption: the Ecovan-

provide inputs up to nearly 400 000 Btu, with a

tage Pint sensor, Zurn’s smart sensor technology; and the HydroVan-

turndown ratio of more than 25 to 1. Features

tage piston innovation, which produces precise and consistent gal-

include a heavy-duty copper commercial grade

lons per flush. The ZTR top-mounted, battery-powered sensor flush

heat exchanger and remote temperature

valves are equipped with chloramines resistant internal seals that

control for precision adjustment of the output

reduce maintenance costs and add to the valve’s longevity. The

water temperature from 100F to 140F.

ZTR6200 suite of sensor flush valves offers a range of flow-rates,

www.noritz.com

stylish design and advanced performance. www.zurn.com

40

HPAC | april 2013

hpacmag.com

MECHANICAL SUPPLY NEWS

MANUFACTURERS • distributors • wholesalers • associations

Legislation introduces strong new protections against counterfeiting The Combating Counterfeit Products Act, which was introduced March 1, 2013, gives Canada Border Services Agency (CBSA) officers the authority to detain suspected commercial shipments and contact the rights holders; allows Canadian businesses to file a request for assistance, with the Canada Border Services Agency (CBSA), in turn, enabling border officers to share information with rights holders regarding suspect shipments; provides new criminal offences for the commercial possession, manufacture or trafficking of counterfeit trademark goods; provides legitimate owners with new tools to protect their rights and take civil action against infringers; creates new offences for trademark counterfeiting; and provides better tools to investigate commercial counterfeiting.

The Act also allows Canadian businesses to file a request for assistance with the CBSA, in turn, enabling border officers to share information with them regarding suspect shipments.

The value of counterfeit goods seized by the Royal Canadian Mounted Police surpassed $38 million in 2012, a five-fold increase since 2005. www.ic.gc.ca/eic/site/064.nsf/eng/07282.html

A.O. Smith will continue to market water heaters under the A. O. Smith, GSW, and John Wood brands in Canada. www.aosmith.com

Reznor commemorates anniversary with HVAC lab upgrades Reznor has invested $5 million to upgrade its 40-ton psychrometric lab in Mercer, PA. The ribbon cutting for the facility improvement was held at a recent sales meeting.

The 1000 square foot testing lab is capable of attaining temperatures of -20F to 130F, with relative humidity of up to 90 per cent. It is one of only a few in the world. The adjacent training center can provide onsite, hands-on training of large equipment. E-learning training is also available.

The testing lab and training centre are on the site of the development of the very first Reznor heater developed in 1888. To celebrate the 125th anniversary of the original Reznor heater, the company plans new product developments and other programs. Reznor is a brand of Thomas & Betts - a Member of the ABB Group. www.RezSpec.com/lab

A. O. Smith to close one Canadian manufacturing plant

Final Rulings Favour Elkay Domestic Operations

Residential and light commercial water heater manufacturer, A. O. Smith Corporation is discontinuing its manufacturing operations at its 500 000 sq. ft. Fergus, ON, residential water heater facility. It plans to consolidate residential and light commercial water heater manufacturing into other North American plants. The relocation of the manufacturing operations has begun, and the majority of production will end by July 1, 2013. The transfer will affect approximately 350 employees in manufacturing and related support functions.

Fergus will house the sales, marketing, finance, customer service, information technology and product engineering functions of the company’s Canadian business. Its regional water heater distribution centre will also remain in Fergus. The A. O. Smith plant in Stratford, ON, that manufactures pump tanks for water systems is not affected by this action.

"Today's action is the result of a comprehensive study evaluating the competitiveness of our North American operations," said Kevin J. Wheeler, president and general manager of North American water heating. "The water heater industry is extremely competitive and has been burdened with overcapacity for a number of years. In addition, we have been facing a challenging economic environment as a Canadian manufacturer.”

The U.S. International Trade Commission (ITC) has ruled that unlawful pricing by Chinese producers of drawn stainless steel sinks caused material injury to ELKAY Manufacturing Company and other domestic producers of drawn stainless steel sinks. As a result of the ruling, the anti-dumping and countervailing subsidy duties placed on Chinese imports by the Department of Commerce (DOC) are final for an initial fiveyear period. Four individual Chinese producers received combined rates ranging from 30.46 per cent to 52.13 per cent, while 19 cooperating producers received a rate of 42.06 per cent. Non-cooperating Chinese producers received a rate of 85.04 per cent.

The March 2013 decision was in response to anti-dumping and anti-subsidy petitions filed by the company in March 2012, on behalf of U.S. stainless steel sink manufacturers.

This vote follows a DOC final ruling in February 2013 that stated Chinese producers are selling drawn stainless steel sinks in the U.S. at less than fair value and that Chinese producers are being subsidized by the Chinese government. www.elkay.com

hpacmag.com

continued on p42

april 2013 | HPAC

41

< MSN

continued from p41

BMI expands into the U.S. Significant market growth in the U.S. market has lead master distributor BMI to open a distribution centre in Cincinnati, OH, its first company-operated and staffed facility south of the border. Located at 4750 Lake Forest Drive, the facility offers 21 000 square foot of storage space. "This new distribution centre is part of our long term strategic plan and we are very proud that it is now a reality,” said Marc Bouthillette, president of BMI. BMI also has distribution centres in Montreal, Toronto and Vancouver. www.bmicanada.com

Distech Controls pursues dynamic growth strategy Distech Controls has announced total investments of $38-million (CAD) in the company, to be approved by regulatory authorities. The investment will expand Distech Controls' capital base and the proceeds of this financing will be used to accelerate the company's growth plan and development roadmap worldwide, including acquisitions. The new investors include the Caisse de dépôt et placement du Québec (CDPQ), Export Development Canada (EDC), EnerTech Capital, Fonds de solidarité FTQ, W2 Investments and a strategic partner. They join Distech Controls' existing group of investors and founder, president and CEO of Distech

Controls Inc, Étienne Veilleux, in forming a majority Canadian ownership.

Distech Controls, which provides building management technologies and services that optimize energy efficiency and comfort in buildings, serves multiple market segments through its worldwide business divisions, service offices and a network of Authorized Partners. www.distech-controls.com

Reorganization brings new products to Canadian marketplace Following a restructuring, Ingersoll Rand has announced it will be entering into the residential HVAC market in Canada.

Trane HVAC Supply, recognized for supporting Trane commercial products, has announced its expansion into the residential HVAC market with the introduction of the Titan product line. With 22 locations across Canada, Trane HVAC Supply will also offer technical training and support for the line, as well as replacement parts.

“The Titan product line will be a great fit for both larger contractors looking for a second well-priced product line, and smaller contractors intent on offering value to their customer” says Peter Hoemberg, president of Trane Climate Solutions HRAI ads_3.375x4.875_Layout 1 1/30/13 12:26 PM Page 1 Canada.

“With Titan, our contractor-partners are getting the continued on p44

Credibility...

is using HRAI wholesalers that are in the know on regulations and standards. It’s knowing that they are up to date on market trends.

It ensures that quality, honesty, integrity and good faith are standard business practices.

When dealing with HRAI Wholesalers, you can be confident that you are in good hands!

Look for your nearest HRAI wholesaler member today! www.hrai.ca/wholesalers

Heating, Refrigeration and Air Conditioning Institute of Canada

HRAI... Setting the Standard

www.hrai.ca 1.800.267.2231 42

HPAC | april 2013

hpacmag.com

< MSN

continued from p42

best of both worlds; a solidly built product and exceptional support all at a very attractive price point.”

The product line features vertical and horizontal discharge 13 SEER to 16 SEER heat pumps and air conditioners in 1.5 to 5 ton capacities. In addition to offering furnaces and air handlers, Titan also has a full line of IAQ accessories suited to a variety of applications and budgets.

Ingersoll Rand has also announced the release of a new line of Ingersoll Rand designed gas furnaces, air conditioners, heat pumps, air handlers and IAQ products offer homeowners a combination of toughness, performance and innovation rarely seen in residential HVAC products.

Distributed in Canada by Trane HVAC Supply, Ingersoll Rand HVAC products will be offered exclusively from a dealer network in Canada.

“We’re being selective about the dealers who sell, install and service the products,” said Bill Davis, national sales leader, Ingersoll Rand HVAC. “We’re creating the most trusted, highly trained group of dealers in the market. When homeowners call an Ingersoll Rand dealer, we want them to have peace of mind knowing that they’re getting a terrific product, installed by a dealer with the training, knowledge and experience to get the job done right, in a quick and costeffective manner.” www.ingersollrandproducts.com

Approvals stacking up for M&G DuraVent NTI NY Thermal has now approved M&G DuraVent’s PolyPro single-wall for its Trinity Tx condensing boiler. M&G DuraVent has also announced that it has acquired further PolyPro approvals for IBC boiler models. This latest approval supports the use of M&G DuraVent's PolyPro Single-Wall and Flex for the entire IBC SL product line.

In other Duravent news, the company recently launched a redesigned website with improved navigation, user friendly access to desired information, and create a more visually appealing and enjoyable experience for users. www.duravent.com www.nythermal.com www.ibcboiler.com

Aquatherm Announces Brand Revisions At the 2013 ISH Expo in Frankfurt, Aquatherm revealed several changes to the company's branding. In order to more effectively convey the modern, global, and market-leading image that the company embodies, key graphics and product titles are being updated and unified. Drawing from the original Aquatherm logo, the redesign also uses a combination of text and image, but the typeface has been reworked.

In other Aquatherm news, the company made the cut on 44

HPAC | april 2013

the Forbes magazine annual ranking of America’s Most Promising Companies - a list of “100 privately held, highgrowth companies with bright futures.” This marks the second straight year the 40-year-old polypropylene pipe company has made the cut. www.aquatherm.com www.forbes.com/most-promising-companies/list/

U.S. rep moves into Canada Emerson Swan has expanded into Milton, ON, where it will be known as Emerson Swan Canada, ULC. Emerson Swan has been in business in the northeastern U.S. for over 80 years offering plumbing and HVAC equipment. The stocking manufacturer's representative organization will initially be representing products from Taco Commercial, Flow Design and Twin City Hose. "We are excited for the opportunity to bring our product and systems knowledge to the engineering and contracting community of the Greater Toronto Area, and hope to bring practical solutions to meet the needs of our customers," said Jeff Dirksen, senior vice president of Emerson Swan's engineered products division. www.emersonswan.ca

Toronto wholesaler Fulford Supply under new ownership An ownership group comprised of former Noble Plumbing Supply staff has acquired the assets of Fulford Supply Ltd., effective March 1, 2013. Fulford Supply, which has operated in the Toronto area for 80 years, specializes in the hydronic and plumbing markets. The new management will focus on building a comprehensive branch network in the GTA. Former Fulford president and owner David Skelly will remain with the company for three months. Michael Storfer is leading the group, while Brahm Swirsky assumes the role of vice president procurement. http://fulfordsupply.com

Distribution news >> G. F. Thompson Co. Ltd. now has exclusive distributorship for IPS Corporation in Canada. www.ipscorp.com/plumbing/watertite/roofingproducts

on the move >> ECCO Supply Burnaby branch has moved to 7959 Enterprise St. to a larger building. Located down the street from the previous location, the site has triple the sales and point-of-purchase areas and double the bay doors. Telephone and fax numbers remain the same: 604.420.4323, 604.420.6523 respectively and toll free 800.663.7684. www.eccosupply.ca >> The Canadian Copper & Brass Development Association has moved to 65 Overlea Blvd., Suite 210, in Toronto, ON. Telephone and fax numbers remain the same: 416.391.5599 and 416.391.3823 respectively. www.coppercanada.ca hpacmag.com

< people

Wolseley Canada has named Kevin Fullan general manager of its Ontario and Atlantic Plumbing business where he will execute the company’s national strategy while providing local market focus and leadership. With 35 Kevin Fullan years of experience in sales, general management, business analysis and performance improvement, Fullan joins Wolseley from Flocor/Mueller Flow Control where he served as vice president and general manager. Fullan is also past chairman of the Canadian Institute of Plumbing and Heating (CIPH) and the Industrial Pipe, Valves & Fittings Council (IPVF). As a member of the plumbing management team, Fullan will work closely with and report to Paul Kennedy, vice-president, Plumbing.

Chris Tomkins

Carlo Gavazzi has appointed Chris Tomkins as its account manager for British Columbia.

He has almost three decades of experience in the electrical/automation industry, 12 of which were as a Red Seal electrician.

Joe Anile, director of wholesale sales with American Standard, has assumed responsibility for its sales managers. Anile, who joined American Standard in 1985, is also the main contact to the company's buying groups and national accounts key personnel.

MacroAir has appointed mechanical engineering grad Michael Danielsson to lead its innovation initiatives as engineering manager, and has promoted Matt Matt Ryan Michael Danielsson Ryan to the position of general manager to support the company's day-to-day operations. As the company's previous director of sales, Ryan worked closely with MacroAir's global partners, grew distribution channels and helped execute the launch of two new products.

Emerson Climate Technologies, Inc. has promoted Brandy Powell to vice president variable speed. In this role, Powell will be responsible for global strategy development, product line management, and new product development for Emerson's variable speed compression technologies. She joined the company in 1993, and was most recently vice president of residential marketing.

Andrea Canhas

Vision Parts & Accessories has hired Andrea Canhas to join its outside sales team. Canhas comes to Vision Parts & Accessories with several years of sales experience in both the manufacturing, and plumbing wholesale sectors.

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april 2013 | HPAC

45

< dehumidification

Don't Sweat It

Dessicant technology can be a solution to summer humidity issues. BY David Simkins

I

t is a dilemma many facility managers face every summer: sweltering heat outside causing the building to become besieged with moisture inside. Too much humidity can cause a host of problems. These high seasonal humidity periods can over-tax an HVAC system, causing slowdowns or shutdowns. Processes can be delayed or even stopped completely, machinery and electrical switch stations are liable to failure, and working conditions can become increasingly difficult.

The resulting loss of productivity can cost thousands of dollars. In addition, inventories can suffer moisture gain while in storage, mould can form, freshness or product appeal can suffer, packaging can deteriorate, and metal surfaces within the building can corrode.

It is important to understand why such problems are so prevalent in the warm summer months.

As temperatures and humidity levels outside a facility significantly increase, it becomes more and more difficult to maintain relative humidity (RH) inside the building. The reason? Often, the temperature needed to maintain a low moisture level using conventional HVAC equipment exceeds the capacity of the installed systems.

Moisture control within food processing plants is critical to preventing costly losses in product and product.

What can one do to ensure business continuity when high temperatures and humidity are wreaking havoc?

HOW TO MAINTAIN EFFECTIVE MOISTURE CONTROL Desiccant dehumidification technology is an effective method for maintenance of proper humidity levels in the hot, humid summer months. Using dehumidification on a temporary basis is a smart short-term solution and also gives building managers the practical knowledge to build an efficient, permanent solution.

While mechanical refrigeration dehumidification can keep humidity at relative levels, it may be at a higher cost of operation and maintenance than other methods, specifically desiccant dehumidification. Desiccant dehumidifiers eliminate fog, condensation, and mould and mildew while reducing operating expenses.

Desiccants allow facility managers to run fewer compressor hours while reducing condensation in the building, which also has a potential savings in structural repair and painting.

The desiccant system maintains superior indoor air quality without sacrificing system performance.

Another advantage is its ability to deliver the very low dew points necessary, due to the high ambient temperatures and moisture experienced during summer. The system achieves lower dew points because the desiccant removes water in the vapour phase and is not limited by temperature. It removes moisture continuously without needing a defrost cycle.

Typical HVAC systems use cooling coils to control humidity.

That approach has limited capabilities and can cause problems. Humidity cannot be controlled independently of temperature, so cooling-based dehumidification can result in over-cooled, clammy buildings during spring, summer and fall. This approach may not maintain the low dew points required to optimize the energy usage of the refrigeration system. Overflowing drain pans and saturated ducts may result, promoting biological growth that can lead to health problems.

For example, in an ice arena, the energy peaks of the refrigeration system generally occur simultaneously with the peak outdoor ambient. This adds to peak demand charges and an increase in operating costs for rink operators. Using a less expensive natural gas desiccant dehumidification system can help solve this problem.

Continued on p48

46

HPAC | april 2013

hpacmag.com

FOR THE THOUSANDS OF JOBS YOU DO, WE’VE GOT ONE. To get you what you need.

When you need it.

It’s our promise, and we’ve lived and breathed it every day for over 20 years.

We know you’re busy, which is why we’ve created an incredibly efficient network to get you back on the job, fast. With a 98% fill-rate commitment, four distribution centres and over 1.5 million square feet of warehouse space, we offer the widest range of in-stock products in the business. Plus, our fleet of 200 delivery trucks and network of 50+ branches means you’re never far from us.

Today, we’re uniquely equipped to provide solutions that support the entire lifecycle of a building, from the early stages of a design-build project through to maintenance and renovation. Still, our greatest asset isn’t inventory; it’s our people. They’re the backbone of our operations and the reason we’re able to look after yours.

We know your business. It’s our job.

PLUMBING HVAC HYDRONICS INDUSTRIAL FIRE PROTECTION BUILDING MAINTENANCE

noble.ca | 1-800-529-9805

< dehumidification

Continued from p46

Steps to Consider for moisture control

A dehumidification system can be an efficient solution to humidity issues caused by daily wash downs, fog and moisture in a food processing facility.

To illustrate that point, a recent facility study that compared mechanical and desiccant dehumidification in an ice rink operation revealed an immediate improvement in humidity upon desiccant dehumidification installation and implementation. Conditions before activating the desiccant dehumidifier were 43F and 96 per cent RH inside the facility.

Six hours after initiating the desiccant dehumidifier, the temperature rose slightly and the humidity lowered to the desired set point of 50 per cent RH. The dryer removed 800 to 1000 pounds of water from the air. In addition, the rink enjoyed a total monetary savings of $12 000 to $15 000 during the summer season by reducing refrigeration run hours for the ice sheet and the mechanical heating and cooling systems.

Abundant opportunities exist for use of temporary dehumidification technology in manufacturing, processing, and many other industries. Personnel would do well to consider its use whenever weather variations affect workers, produc-

48

HPAC | april 2013

No matter what type of dehumidification system is used to maintain relative humidity in a facility, attention to other important factors can help maintain good moisture control during the summer months, and keep maintenance and operation costs from skyrocketing with the change of seasons.

Facility operators should conduct regularly scheduled maintenance. Regular surveillance of all HVAC and dehumidification equipment is crucial. The units need to be balanced and operating at 100 per cent efficiency at all times. Do not ignore those worn belts, high amp draw motors and warm bearings because those will be the weak points of the system when the heat and humidity return.

1. K eep the facility well-sealed. Ensure doors leading to the outside do not remain open. Tight weather stripping is important, as is making sure there are no holes on the exterior of the building. Revolving doors instead of standard “open and shut” doors help reduce humidity levels. If building walls are constructed of cinder block, cover the porous surface with a coat of vapourretardant paint to reduce the internal humidity load and keep the facility comfortable.

2. Reduce light. Light shining through walls and around windows and doors can cause moisture problems. If this is the case, seal in the area and minimize the source.

3. Reduce outdoor air. Outdoor air is required to meet IAQ standards, but it needs to be controlled. The best way to meet the standards and maintain control is through the use of a make-up air system coupled with a desiccant dehumidifier. An air quality sensor (CO or CO2) is also recommended. Monitoring the air in the facility is the most effective means of reducing operating cost while providing a quick response to a changing environment.

tion rates or product quality, when corrosion or condensation cause problems, or whenever product must be dried at low temperatures. <> David Simkins is director of industrial services with Polygon, which provides property damage restoration and temporary humidity control. He can be reached at david.simkins@polygongroup.com.

hpacmag.com

Cooling showcase

HVAC & HydroniCs

Danfoss has introduced the SH485 40-ton scroll compres-

Bristol Compressors International

sor with an intermediate discharge valve (IDV), which adapts

has introduced H7 Series models,

to varying loads and ambient conditions. Suited to large

an approved line of compressors

R410A chiller and rooftop units, its compact size and large

that are suited for retrofit in existing

capacity help OEMs reduce development, installation and

R22 systems using R407C or R22

servicing costs. The built-in discharge gas temperature sen-

refrigerant. Charged with POE oil,

sor is positioned inside the compressor to sense the dis-

the models are available in 1.5-ton

charge gas temperature and react quickly when operating

through five-ton capacities.

conditions exceed safety limits.

www.bristolcompressors.com

When the Cooling quits, We don’t.

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The organ pipe retains oil in non-operating compressors under part-load operation in manifold configurations.

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perform across a wider range of applications, including brine chilling. www.danfoss.us

We have one of the largest teams of in-house technical specialists in the industry. So if you’re looking to reduce your footprint or improve energy efficiencies, we can create custom solutions that’ll help you breathe a little easier.

Forane 427A refrigerant can be used to retrofit R22 refrigeration and air conditioning installations. It offers Designed for portability and durability, Topaz Portable Air

low GWP and zero ozone depletion.

Conditioners from L.M. Temperature Control Inc. are de-

Discharge temperatures can be as

signed to offer quiet operation and total temperature control

much as 40F lower than R22. It

with digital, programmable thermostats ranging from 1.5

works well with residual mineral oil

tons to five tons of cooling power. These units are suited

or AB and has a broad range of low,

to A/C failures/back-up, data centres/server rooms, supple-

medium and high temperature appli-

mental A/C, production areas, temporary facilities, special

cations. www.arkema-inc.com

events and humidity control. www.lmtemperature.com hpacmag.com

We know your business. it’s our job.

PLUMBING | HVAC | HYDRONICS | INDUSTRIAL FIRE PROTECTION | BUILDING MAINTENANCE

noble.ca • 1-800-529-9805

Continued on p50 april 2013 | HPAC NOBL1016_01_HVAC A.indd 1

49

01/03/13 4:24 PM

Cooling Showcase continued from p49 RLS2H ductless systems for residential and small commercial applications from Fujitsu General America are extra-low ambient temperature heat pumps, available in 9000, 12 000, and 15 000 Btu configurations. By using a large heat exchanger and high-capacity compressor, the units are designed to provide heating operation with outdoor temperatures as low as -15F. Fujitsu’s ESP (energy saving program) is standard on these Halcyon systems with motion sensors noting when the room has been vacated. After 20 minutes, the set temperature is increased by 4F when in cooling mode, and reduced by 8F when heating. When the room is reoccupied, the ESP returns to the previous operating mode. Other standard features include a wireless remote, a variety of operating modes, apple catechin and ion deodorizing filters, and low-ambient heating capability. www.fujitsugeneral.com

The Perfect Comfort PCNTW Series 42" packaged terminal air conditioners and heat pumps use R410A refrigerant. An optimized air discharge channel design and specialized blower wheel assist with noise control. Units have freeze protection and overheating sentinel. The universal electric heater is offered in 2kw, 3kw and 5kw. The PTACs have a self check error function Daikin McQuay’s Custom Air Handler line allows units to be designed according

with error codes showing on an electric display.

to their specification in new construction or existing buildings. With the ability to

www.perfectcomfort.ca/

attain a maximum of Class 6 leakage, the units can be customized for use in healthcare facilities, clean rooms, or labs. Specifiers have the ability to vary the

Emerson’s

SureSwitch

relay, model

length, width or height in two-inch increments. Options are available to add access

number 49P11-843 replaces the con-

and service vestibules or to choose the type of door handle and swing, simplifying

tactor on AC/heat pump systems and

access and servicing in small or restricted access areas. The low leakage cabinet

address the two major causes of con-

construction incorporates a patented splice collar design and welded frame chan-

tactor failures: contact welding and

nels that eliminate the need for field-installation caulking and associated costs. www.DaikinMcQuay.com

contamination. The relay combines the function of a contactor and shortcycle timer with a reliable sealed relay.

The cooling coil can be installed left or right on

Designed to fit in the space of a traditional

Dettson’s DCAH compact space conditioning

mechanical contactor, it is a universal electronic upgrade. The

unit with pre-punched side panels. Features

latching relay design eliminates noise while the microprocessor

include a built-in mounting harness; circula-

provides both short cycle and brownout protection to ensure lon-

tion pump (60-second cycle every six hours),

ger life for compressors and fan motors. The relays can be an

three-speed PSC blower motor and ECM

add-on with new preventive maintenance contracts, or for jobs

variable speed motor. www.dettson.ca/En/

where repeat failures are likely due to exposure to insects or inconsistent power. www.white-rodgers.com

50

HPAC | april 2013

hpacmag.com

INDUSTRIAL

HE Series multi-position Premier Evaporator Coils from Advanced Distributor Products offer a mould resistant drain pan, four screw front access and are suited to low height

The integrated Enerboss air handler

applications. Available in multiple heights and widths, the

from Nu-Air Ventilation Systems is

coils feature built-in flanges with rounded corners, TXV with

ECM-equipped, with heating capacity

all threaded connections, painted cabinet color options

to 120 MBH and cooling capacity to

and one per cent or less air leakage. www.adpnow.com

60 MBH. It combines the functions

PARTS AND PARTNeRS. They jUST hAve To fIT.

of heating cooling and heat/energy recovery in one compact footprint.

Its built-in secondary heat exchanger protects against H/ERV frosting.

An integral exhaust fan is designed to reduce or eliminate the need for bathroom exhaust fans. Available in both electric and hydronic modIslandaire has announced that its EZ Series 42 packaged

els, the Enerboss is suited to new

terminal air conditioner line now offers an optional two

construction or retro-upgrades as

stage electric heater. The EZ Series 42 units are designed

a stand-alone device, matched with

and manufactured for new construction or the replacement

heat pumps, or as the heating com-

of packaged terminal air conditioning units in an existing

plement to a fuel-fired water heater.

building. Designed for individually-zoned comfort controlled

www.nu-airventilation.com

heating and cooling, the unit width is an industry standard 42". Features include dual fan motors; washable filter;

Bryant’s Evolutionr Connext Con-

user friendly control panel, remote controller and wired

trol System is a residential control

thermostat; compressor freeze protection; and auto start,

centre for all system components.

start-up time delay. www.islandaire.com

When added to a compatible variable speed furnace or fan coil, longer heating and cooling cycles at lower fan speeds result. Adding a

Standard and custom fabricated pipe, delivered straight to your location.

From 1/4” to 24” in diameter, plain end, threaded or grooved, our indoor pipe facility in Concord carries it all – and delivers it. In fact, our boom trucks deliver large pipe and fitting orders at no charge.

We carry a complete line of industrial PVF and MRO products to keep your business running smoothly.

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variable speed or two-stage outdoor unit provides for better humidity and temperature control as well as

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improved efficiencies. When paired with Evolutionr Zoning controls, up to eight zones of customized comfort are available. The zoning system does not require a bypass damper,

PLUMBING | HVAC | HYDRONICS | INDUSTRIAL FIRE PROTECTION | BUILDING MAINTENANCE

leaving air temperature (LAT) sensor, or field-installed power transformer.

noble.ca • 1-800-529-9805

www.bryant.com hpacmag.com

april 2013 | HPAC NOBL1016_01_Industrial A.indd 1

51

01/03/13 3:34 PM

< refrigeration

Cleanliness Is Next To…

Part II-Proper procedures for ensuring a contaminant free installation.

BY dave demma

I

n Part I of Cleaniness Is Next To... in HPAC's March 2013 issue (see it at www.hpacmag.com) discussed the first steps in the process of system cleanliness. Part II reviews pressure and vacuum measurements and outlines the steps involved in starting the evacuation process, with particular attention to the vacuum pump.

PRESSURE MEASUREMENTS Every fluid has a distinct pressure-temperature relationship whereby the saturation (boiling) temperature can be precisely determined for a given pressure. It becomes more complicated when discussing air pressure (in relation to system evacuation) as there are several pressure scales that must be used. Figure 6 shows the pressuretemperature relationship for water, with the pressure being expressed in the various units of measurement described below.

1. P SI: The technician’s gauge manifold set consists of a high side gauge and low side (compound) 52

HPAC | april 2013

gauge. The high side gauge and the portion of the low side gauge at 0 or above are expressed in psig (pounds per square inch gauge). The gauge pressure reading is simply that…the pressure which the gauge is reading; a partial pressure which shows how far above atmospheric pressure the reading is. Converting psig to psia (pounds per square inch absolute) is done by adding atmospheric pressure to the gauge pressure reading; 14.7 psi at sea level.

2. I nches of HG: A barometer is a device used to measure atmospheric pressure. It is constructed from a glass tube, sealed at the top, open at the bottom, with the bottom sitting in a mercury puddle. A vacuum occupies the portion of the glass tube below the sealed top and the level of mercury in the tube.

Atmospheric pressure at seal level will support a column of mercury 29.92" high in the tube. This is where the term inches of mercury ("Hg) comes from.

3. Inches of Vacuum: The portion of the compound gauge below 0 Psig is used to express a system pressure less than atmospheric pressure. Its unit of measurement is inches of Hg, but is expressed as inches of vacuum. Rather than being a measurement of pressure above absolute vacuum, it is a measurement of where the pressure is in relationship to 0 psig or atmospheric pressure. A reading of 10" vacuum on the compound gauge would indicate that the system pressure is 10" Hg. below 0 psig (atmospheric pressure). The conversion between psi and inches Hg is roughly 2:1; 10" Hg is equivalent to five psi, meaning that the system pressure is approximately five psi below whatever atmospheric pressure is.

4. mm Hg./Microns: The compound gauge is only accurate down to 29" Hg (at best), and should never be used to determine the system pressure while evacuating. The English system of measurement is not particularly convenient when discussing hpacmag.com

vacuum; the inch is too large of a measurement and cannot be broken down into usable smaller increments. When discussing deep vacuum (between 29”Hg and 30” Hg) the unit of measurement used is mm Hg. At sea level, atmospheric pressure will support a column of mercury 760 mm high (there are 25.4 mm per inch). To further simplify the small measurements required in reading accurate vacuum, mm is broken down to 1/1000 of a mm, or a micron.

5. Conversion between units of measurement: 1" equals 254 mm;

1 mm equals 1000 microns; 1 psi equals 2.036" of Hg; 760 mm Hg equals 29.92" Hg; 29.92" Hg equals 14.696 psig; 29.92" Hg equals 0" vacuum

VACUUM MEASUREMENT AND PARAMETERS: “Blow and Go”, the practice of purging newly installed piping (or a recently serviced system) without evacuation is never an adequate method of insuring that air and/or water have been removed from the system. Evacuation is required, and the triple deep evacuation method is generally considered to be best. This will ensure that any water present in the system will boil into a va-

pour and be removed along with any air that is present.

Deep evacuation means a final reduction in system pressure to 500 microns (some recommend 250 microns).

Triple evacuation means three steps of evacuation: (1) down to 1000 microns, breaking the vacuum with dry nitrogen and a trace amount of refrigerant for leak testing, (2) again reducing system pressure to 1000 microns, and similarly breaking the vacuum once again, and (3) a final evacuation down to 500 microns.

A true electronic micron gauge should be used to measure the pressure in the system during evacuation.

It should be vertically connected to the continued on p54

Figure 6 Pressure-temperature relationship for water.

PSIA

Inches of HG

14.6960

29.9210

mm HG 759.999

(mm HG x 1000)

Microns

Compound gauge in HG Vacuum

H2O saturation temperature

759 999

0.000

212.00

14.0000

28.5040

724.007

724 007

1.418

209.56

13.0000

26.4680

672.292

672 292

3.454

205.88

12.0000

24.4320

620.577

620 577

5.490

201.96

11.0000

22.3960

568.862

568 862

7.526

197.75

10.0000

20.3600

517.147

517 147

9.617

193.21

9.0000

18.3240

465.432

465 432

11.598

188.28

8.0000

16.2880

413.718

413 718

13.634

182.86

7.0000

14.2520

362.003

362 003

15.670

176.85

6.0000

12.2160

310.289

310 289

17.706

170.06

5.0000

10.1800

258.573

258 573

19.742

162.24

4.0000

8.1440

206.859

206 859

21.778

152.97

3.0000

6.1080

155.144

155 144

23.813

141.48

2.0000

4.0720

103.430

103 430

25.849

126.08

1.0000

2.0360

51.715

51 715

27.885

101.74

0.9000

1.8320

46.543

46 543

28.089

98.24

0.8000

1.6290

41.371

41 371

28.292

94.38

0.7000

1.4250

36.200

36 200

28.496

90.08

0.6000

1.2220

31.029

31 029

28.699

85.21

0.5000

1.1800

25.857

25 857

28.903

79.58

0.4000

0.8140

20.686

20 686

29.107

72.86

0.3000

0.6110

15.514

15 514

29.310

64.47

0.2000

0.4070

10.343

10 343

29.514

53.13

0.1000

0.2040

5.171

5 171

29.717

35.00

0.0000

0.0000

0.00

0.00

29.921

hpacmag.com

april 2013 | HPAC

53

< Refrigeration

Continued from p53

“It becomes more complicated when discussing air pressure (in relation to system evacuation) as there are several pressure scales that must be used.” top of the piping, and should never be exposed to large bursts of pressure.

While the vacuum pump should be connected to the low and high side of the system to minimize evacuation time, the micron gauge location should be some distance from either of these connections. This will ensure that an accurate system pressure is being measured.

Once 500 microns is achieved, the vacuum pump should be valved off and shut down. The system should sit anywhere from 15 minutes for a small system with short piping runs to several hours for a large commercial/industrial system. If the pressure rises to the 1500 micron level it would suggest that water is still present in the system, with the increase in pressure the result of that water boiling. If the pressure increases to something near atmospheric (or at least to a pressure higher than the corresponding pressure for a saturation temperature equivalent to the ambient temperature) that this would suggest that the system has a leak(s), with the pressure increase a result of air entering the system.

STARTING THE EVACUATION PROCESS • The vacuum pump will only reduce the pressure in the system to the pump’s minimum pressure achieved less the pressure drop in the connecting line between the pump and the system piping. Therefore, the path between the system piping and the Vacuum Pump should be as unrestricted as possible. In addition, pressure drop experienced in the connection between the Vacuum Pump and the system piping extends the required time to reduce the system pressure to 500 microns.

54

HPAC | april 2013

The long-term health of an air conditioning or refrigeration system is dependent on four things: proper design, quality installation; equipment commissioning, and ongoing preventive maintenance.

Figure 7 Vacuum pump sizing based on system capacity.

System Size

Pump Size

Up to 10 Tons

1.2 cfm

11 - 30 Tons

4 cfm

31 - 50 Tons

6 cfm

51 - 70 Tons

10 cfm

Since a micron gauge is in use there is no need for a gauge manifold set; it will offer restriction to vapour flow to the vacuum pump. Consider using copper tubing (3/8" ODF or larger) to connect the vacuum pump to the system piping, and keep them short as possible. (If using hoses, make sure they are large diameter, suitable for evacuation, and free of leaks).

Never connect the vacuum pump to an access fitting with a Schrader valve; remove the Schrader valve during evacuation and replace when complete.

• A vacuum pump capable of reaching 50 microns is in good shape; a vacuum pump incapable of reaching 500 microns needs attention.

• All line valves, compressor service valves, etc. should be opened.

• Any normally closed control valve (solenoid valve or pressure regulator) should be manually opened before starting the vacuum pump.

•D o not attempt to leak-check the system while it is in a vacuum. Leaks will be difficult to locate, and if present they will allow air into the system.

• I f you plan to run the vacuum pump overnight, install a full port direct acting solenoid valve in the piping between the vacuum pump and the system. Use a 120 V coil, and plug it into a wall outlet. If a power failure occurs, the solenoid valve will close, allowing the state of vacuum to remain.

• A vacuum pump that is too small for the size of the system will result in an extraordinarily long amount of time to complete evacuation. For hpacmag.com

proper vacuum pump sizing based upon system capacity, refer to the recommendations in Figure 7.

• Never base whether system evacuation is complete on the amount of time the vacuum pump has been operating.

Evacuation is complete only after the vacuum pump has reduced the system pressure to 500 microns and the system maintains that pressure after the pump has been shut down.

VACUUM PUMP MAINTENANCE • Contaminants removed during evacuation will be trapped in the vacuum pump oil. On large systems requiring extended time for evacuation, vacuum pump oil should be monitored during evacuation. If it becomes noticeably discoloured or appears watered down, it should be replaced.

• Use only certified vacuum pump oil; it is specifically designed to have a low vapour pressure (five microns) at 100F (at a pressure of five microns the oil boils at 100F. The vacuum pump cannot achieve a pressure lower than the vapour pressure of its own oil.

• In a perfect world, the vacuum pump will receive the following maintenance: (1) pump oil drained immediately after each use (while the oil is warm), (2) refill with new oil and run for two to three minutes, (3) drain again, and refill, (4) close pump inlet valve and replace all pump seal caps.

• Every time a system is opened for service, the liquid filter-drier should be replaced.

• The vacuum pump will only remove contaminants such as acid if they are present as a vapour. After a hermetic motor burn, you should expect that the majority of acid will still be present after replacing the compressor and evacuating the system.

Appropriately sized filter-driers will be required to remove these destructive contaminants. hpacmag.com

With the system leak free, contaminant free, evacuated, and equipped with the appropriately sized suction filters and liquid filter-driers, it is now ready to be charged with refrigerant, started, and commissioned. And with the proper maintenance, a long healthy life should ensue. <>

Dave Demma holds a degree in refrigeration engineering and worked as a journeyman refrigeration technician before moving

into

the

manufacturing

sector where he regularly trains contractor and engineering groups. He can be reached at ddemma@uri.com.

R-22 is best for R-22 equipment.

If you need to change,

Arkema has your R-22 Retrofit Solution

R-407C Air Conditioning R-427A All around solution for both A/C and refrigeration R-407A Refrigeration For more information call 416-614-3610 or 1-800-567-5726 x 230 or visit us on the web at

www.R22retrofits.com

april 2013 | HPAC

55

The MasterLockAlert from Masterlock is a wireless portable alarm system that uses sensors to detect unauthorized tampering to prevent theft from tool chests, truck boxes or job site tools. It can detect shock or tilting and a 100-decibel alarm will sound if tampering occurs. The system is armed/disarmed with a wireless handheld key fob and comes with a magnetic back for easy,

Porter-Cable’s PCCK640LB 20V MAX Lithium

portable installation and Velcro strips for non-metallic installations. www.masterlocktruck.com

Ion Impact Driver’s motor and transmission generate 1450 in.-lb. of maximum torque and the variable speed trigger delivers 0-2900 rotations per minute (RPM) and 0-3100 beats per minute (BPM). The impact driver also features a cold-forged internal impact block, a ¼" hex quick-change chuck, two-bit storage, a belt hook, and an ergonomic handle for comfort and non-slip grip. The unit also comes with an LED work light, rubber bumpers on the sides of

ESAB’s MiniArc 161 is a 115V or 230V, single-

the tool and a battery fuel gauge. www.portercable.com/20volt

FieldAware’s Navigator service management in-

phase machine built for TIG and stick welding.

terface offers a single console view for easier

The unit weighs 18 lb. and its automatic pri-

scheduling, dispatching, and tracking of all

mary select function configures to the primary

field service jobs. Its features include: viewing

input supplied. It ranges from five to 160 amps

jobs by GPS location; one-click access to full

in DC mode and has a fixed hot start function,

job details; the ability to drag-and-drop jobs to

designed to allow the operator to strike an arc

assign, re-assign or re-schedule them in real

without having the electrode stick to the plate.

time; viewing jobs in list form or map view with

Other features include: the lift arc tig, which

real-time status indicators; validating equal

allows the operator to lift the tungsten; and a

distribution of jobs by tech and region and fil-

thermal indicator to help prevent the unit from

tering by teams and locations for more efficient

being damaged due to airflow blockages or ex-

dispatching. www.fieldaware.com

ceeding the duty cycle. www.esab.ca

Weather Guard’s Protect-A-Rail Cab Protectors are designed to protect pick-up truck cabs from

Otterbox offers a complete collec-

shifting loads in the cargo area and offer heavy-

tion of iPhone 5 cases for a vari-

duty protection. The cab protectors have been

ety of applications. The Defender

reduced in overall height to increase compat-

Series, built for rugged protection,

ibility with current full-size truck models. Two

features a built-in screen protec-

mounting brackets have also been modified

tor, polycarbonate shell and shock

to allow the units to be installed with Ford F-

absorbing silicone outer layer and

250/F-350 Super Duty and the Dodge Ram.

silicone plugs for keeping dust and

The new cab protectors and mounting brack-

dirt out of ports when the phone is not in use. It comes equipped with a holster-style swivel belt

ets are compatible with all older model year

clip that doubles as a media viewing stand. www.otterbox.com

vehicles. www.weatherguard.ca

56

HPAC | april 2013

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< renewables

A Great Marriage

How to combine solar collectors and a wood gasification boiler.

T

he process of photosynthesis that we all learned about in science class uses solar energy to convert carbon dioxide from the atmosphere into cells that ultimately grow into plants. The big ones are called trees, and they have provided humankind with carbon-based fuel for millennia.

Although it is not quite as easy to convert wood into heat compared to other fuels, the “carbon neutral” nature of burnt wood has rekindled interest in using it for fuel. Especially as the availability, price and environmental consequences of fossil fuels continue to be unsettling issues.

STORED SUNSHINE In my area of upstate New York, firewood is plentiful and relatively inexpensive. You can buy it for $60/face cord, delivered. At a nominal 80 per cent conversion efficiency in a wood gasification boiler, that works out to about $11.18 per million Btus delivered. In rural areas, the primary fossil-based heating fuels are #2 fuel oil and propane. The current price for #2 oil is about $3.80 per gallon. At 85 per cent conversion efficiency that works out to $31.92 per million Btus delivered, almost three times as much as heat provided by a wood gasification boiler.

State-of-the-art wood-gasification

Figure 1 System layout: Wood gasification boiler and solar thermal array

58

HPAC | april 2013

BY John Siegenthaler

boilers are a great way to convert firewood into heated water at relatively high (80-85 per cent) efficiency. After that, modern hydronics technology offers many ways to store and distribute that water for both space heating and domestic hot water.

Still, most people who use such a boiler for heating in cold weather, do not want to maintain its operation in summer when the only load is likely to be domestic water heating. In these situations, solar energy can provide an ideal “summer substitute” for firewood, and modern hydronics technology provides many elegant ways to merge these two energy sources together.

Figure 1 shows one way to combine a wood gasification boiler and solar thermal array into a common system.

The two heat sources are linked at the storage tank. Either one can operate independently of the other. It is likely that the boiler will not get fired if the owner is expecting a period of significant solar gain. However, if the boiler is operating and the sun comes out, the collector array can still operate, provided the collector temperature rises several degrees above the storage tank temperature.

The solar subsystem is a closed loop filled with an antifreeze solution. Heat is transferred to the system water using a generously-sized brazed plate heat exchanger. The circulator between the storage tank and lower temperature side of the heat exchanger includes a check valve. This prevents heat migration into the solar subsystem when it is not operating. hpacmag.com

A thermostatically controlled “loading unit” is seen near the inlet to the wood gasification boiler. This device consists of a circulator, thermostatic mixing valve and flapper-type check valve. Its purpose is to prevent inter­­ nal flue gas condensation, which creates creosote, within the combustion chamber.

When the circulator in the loading unit is operating, the pressure differential it creates forces the flapper-type check valve to remain closed. The internal thermostatic element regulates the proportions of hot water from the boiler outlet and cooler water from the storage tank that are blended together to keep the boiler inlet temperature suitably high. This is typically about 130F for 20 per cent moisture content firewood.

During a power failure, the flapper type check mechanism in the loading unit allows natural convection flow between the boiler and thermal storage tank. In consideration of this, the path between the boiler and storage tank should have low flow resistance. The check valve seen on the supply pipe from the boiler to the storage tank must be a flapper type check valve.

SIDEARM DOMESTIC Domestic water is preheated by an external stainless steel heat exchanger as shown in Figure 2. The domestic water flow switch closes whenever it detects a demand of 0.6 gpm or higher.

This turns on a small circulator, that immediately moves water from the storage tank through the primary side of the heat exchanger. Domestic cold water passes through the other side of the heat exchanger. Its temperature rise depends on the water temperature within the storage tank.

If the tank is 130F or higher and the target domestic water delivery temperature is 120F or lower, a suitably-sized hpacmag.com

Figure 2 Preheating DHW

heat exchanger could provide the full temperature rise. If the storage tank is cooler, the heat exchanger provides preheating. A thermostatically controlled electric tankless water heater adjusts the input wattage to its element to “top off” the temperature rise as required.

Although Figure 1 shows a zoned radiant panel distribution system, there are plenty of other possibilities.

To make the most of stored energy, configure the distribution system to handle the design heating load with a supply water temperature no higher than 120F. A mixing device, such as the three-way motorized valve shown in Figure 1, should always be installed to protect a low temperature distribution system from potentially high water temperature in the storage tank.

Complementary Renewables Each subsystem has its strengths and limitations. The solar subsystem is ideal for summer, while the wood fired boiler covers the colder/cloudier winter.

When good hydronic design is used to merge them into a common storage and distribution system, these two renewable heat sources become complementary. Perhaps one of your future projects can benefit from this synergy. <> John Siegenthaler, P.E., is a mechanical engineering graduate of Renssellaer Polytechnic Institute and a licensed professional engineer. He has over 34 years experience in designing modern hydronic heating systems. He is also an associate professor emeritus of engineering technology at Mohawk Valley Community College in Utica, NY.

This could be your last issue of

Visit www.hpacmag.com to renew your free subscription to HPAC Magazine. april 2013 | HPAC

59

Calendar

2013

FOR THE LATEST EVENT NEWS SEE HPAC'S NEWSLETTER @ hpacmag.com

Planning an event?

CaGBC National Conference and Expo

Solar Ontario Conference and Trade Show will be held at the Scotiabank Convention Centre in Niagara Falls, Ontario.

The Canada Green Building Council will hold its conference and expo at the Vancouver Convention Centre.

May 29-30

Send the details to kerry turner, editor.

kturner@hpacmag.com CIPH ABC and AGM

Solar Ontario

June 4-6

www.cagbc.org

www.solarontarioconference.ca HRAI 45th AGM and conference

Cleaner Heat

June 16-18

June 18-19

August 21-24

The Canadian Institute of Plumbing and Heating’s annual business conference and AGM will take place at the Halifax Marriott Harbourfront Hotel in Halifax, NS.

The Canadian Heat and Oil Association’s Cleaner Heat Conference will take place at the Delta Beausejour Hotel in Moncton, NB.

The Heating, Refrigeration and Air Conditioning Institute of Canada’s 45th annual general meeting and conference will take place at The Westin Bayshore in Vancouver, BC.

http://symposium.coha.ca

www.ciph.com

www.hrai.ca

COHA Ontario Education Day

MCAC National Conference

BOMEX HALIFAX 2013

September 18-19

September 25-28

October 1-3

The fourth annual COHA Ontario Education Day will take place at the Blue Mountain Resort in Collingwood, ON.

The Mechanical Contractors Association of Canada’s national conference will take place in Winnipeg, MB.

BOMA Canada's National Conference and Exhibition will be held in Halifax, Nova Scotia.

www.coha-ontario.ca/events/index.html

www.mcac.ca

www.bomex.ca/2013/

WaterSmart Innovations

IAQ 2013

October 15-18

November 3-5

WaterSmart Innovations Conference and Exposition, which will feature more than 100 sessions in a variety of tracks, will be held in Las Vegas, NV.

IAQ 2013, Environmental Health in Low-Energy Buildings, will take place at the Renaissance Vancouver Hotel Harbourside in Vancouver, BC.

The American Council for an Energy-Efficient Economy will hold its forum at the Hyatt Regency Atlanta Hotel in Atlanta, GA. This technical conference is dedicated to evaluating the three fundamentals of an efficient hot water system: heating water, distributing it with low losses, and using it with efficient fixtures, and practices. www.aceee.org

October 2-4

www.watersmartinnovations.com

ACEEE Hot Water Forum

www.ashrae.org World Plumbing Conference

November 14-15

November 17-19

AHRI Annual Conference

Greenbuild International Conference & Expo

The 10th annual World Plumbing Conference will take place in New Delhi, India.

The Air-Conditioning, Heating and Refrigeration Institute’s annual conference will take place at The Ritz-Carlton Amelia Island in Amelia Island, FL. www.ahrinet.org

Greenbuild’s annual conference and expo will take in Philadelphia, PA. It is dedicated to green building and attracts thousands of building professionals from around the globe. It features three days of educational sessions, guest speakers, green building tours, special seminars and networking events. www.greenbuildexpo.org

Construct Canada

December 4-6

Canada’s largest building and design construction show offers attendees a chance to network with more than 24 000 building professionals and features more than 1000 exhibits. The show will take place at the Metro Toronto Convention Centre in Toronto, ON.

2014

www.wpc2013.in

November 19-22

AHR Expo

January 21-23 The 66th International Air-Conditioning, Heating, Refrigerating Exposition will feature more than 100 seminars and educational sessions.

www.ahrexpo.com

www.constructcanada.com CMPX

March 19-21 The Canadian Mechanical & Plumbing Exposition (formerly CMX) in Toronto, ON, will include The New Product Showcase, The Learning Forum and the Emerging Technologies Centre - the latest addition to the show.

www.cmpxshow.com

60

HPAC | april 2013

MEET (Mechanical Electrical Electronic Technology) Show

May 7-8

11TH IEA Heat Pump Conference

May 12-16

Scheduled for Moncton, NB, once again, MEET includes a trade show and speaker component.

The International Energy Agency Heat Pump Conference will be held in Montreal,QC, at the Fairmont Hotel-The Queen Elizabeth.

www.meetshow.ca

www.iea-hpc2014.org

This could be your last issue of Visit www.hpacmag.com to renew your free subscription to HPAC Magazine. hpacmag.com

Training

EDUCATIONAL OPPORTUNITIES ACROSS CANADA AC Installation Optimization Training Program This one-day training course covers the importance of best practice installation for energy efficient equipment and is based on the CSA C273.5-11 Standard "Installation of Air Source Heat Pumps and Air Conditioners." The course covers six key installation factors directly affecting system efficiency. All technicians installing equipment under the Heating and Cooling Incentive (HCI) initiative will be required to complete the one-day training program by December 31, 2013. Effective January 1, 2014, participation in the HCI initiative will be restricted to companies whose technicians have completed the training. www.hrai.ca/PDFs/OPA_HCI_TrainingOntario.pdf CMCEF National Seminar Program The Canadian Mechanical Contracting Education Foundation’s National Seminar Program Catalogue & Calendar is available online. It contains more than 100 programs available for on-site training for companies and associations. Programs range from a half-day to two days in duration. To request a seminar, contact your local association or the CMCEF office at tel. 613.232.5169 or by e-mail at cmcef@cmcef.org. www.cmcef.org TECA Quality First Training To register for the Thermal Environmental Comfort Association's (TECA) Quality First training courses, tel. 604.594.5956. www.teca.ca HRAI SkillTech Academy The SkillTech Academy’s course schedule is available online. For more information, contact Dorothy Allen at 800.267.2231 ext. 231, or e-mail dallen@hrai.ca. www.hrai.ca Dollars to $ense Energy Management Workshops Natural Resources Canada's Office of Energy Efficiency is once again offering workshops focusing on improving efficiency, reducing greenhouse gas emissions and lowering operation costs. A workshop schedule is available online. http://oee.nrcan.gc.ca

Canadian Hydronics Council CHC’s course descriptions and training schedules are available online.

Introduction to Hydronic Heating Installations is a starting point for anyone interested in the professional installation of hydronic heating systems. The Essentials of Hydronic System Design intermediate level program is geared to helping practitioners understand key design principles and the different options and solutions required to meet client needs. Participants must have previously completed CHC’s Introduction to Hydronic Heating Installations. www.ultimatecomfort.ca LEED Canada Training Workshops by the Canada Green Building Council (CaGBC) include: LEED Green Associate Exam Preparation; Introduction to Passive Housing Design and Construction; and Overview of the LEED-ND Rating System for Canada. Tel. 613.241.1184. www.cagbc.org CSA Learning Institute CSA Learning Institute’s course calendar is available online. www.csa.ca/cm/ca/en/training RETScreen Training Institute The RETScreen Training Institute is delivered in collaboration with the Faculty of Environmental Studies at York University in Toronto. The Institute offers intensive instruction on how to properly assess the viability and performance of clean energy projects using RETScreen software. A certificate is awarded on successful course completion. www.retscreen.net/ang/home.php GeoExchange Training The Canadian GeoExchange Coalition (CGC) has added a national accreditation program for geothermal loop installers, which is valid for commercial and residential installations. An updated CGC training calendar is available now. www.geoexchange.ca

Advertisers in this issue

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hpacmag.com

april 2013 | HPAC

61

< efficiency

Photos: Kazmedia Photo

First in Canada: home labelled under ENERGY STAR for new homes standard.

From left, John Meinen OHBA second vice president, City of Guelph Mayor Karen Farbridge, Corey McBurney, EnerQuality president, and Peter Braid, Member of Parliament for Kitchener-Waterloo, place the ENERGY STAR label in Canada’s first house built to the new Standard as homeowner Andy Goyda and John Sloot, Sloot Construction president look on.

T

he first ENERGY STAR-qualified home built to the new ENERGY STAR for New Homes standard, which came into effect in December 2012, was officially labeled at a recent ceremony attended by Peter Braid, Member of Parliament for Kitchener–Waterloo, on behalf the Honourable Joe Oliver, Canada’s Minister of Natural Resources. The custom home was built by Sloot Construction Ltd., in Phase II of its Hale's Manor community in Guelph, ON. The mechanical contractor on the project was Oosterveld Heating and Air Conditioning of Guelph.

“Our Government is committed to new standards that promote energy efficiency, save Canadians money, create jobs and strengthen the economy,” said MP Braid.

“ENERGY STAR homes built to the 2012 Standard are on average 20 percent more energy-efficient than those built to code, helping homeowners save money and helping the environment.”

The new ENERGY STAR Standard builds on the previous version of the standard with the addition of features such as: minimum prescribed levels of insulation; having mechanical ventilation with heat recovery to maintain a healthy indoor environment; and achieving a minimum of 400 kilowatt-hours per year of electrical savings (beyond heating and hot water), which is met using ENERGY STARqualified products.

To earn the label, homes must be built by a trained ENERGY STAR builder and meet technical requirements for 62

HPAC | april 2013

Attendees were provided with an airtightness test demonstration performed by Angela Bustamante, C.E.T., energy evaluator/ administrator, building services, Building Knowledge Canada.

energy efficiency developed by the Government of Canada.

ENERGY STAR-built homes are verified by independent third-party energy advisors to ensure they meet the standard.

The ENERGY STAR for New Homes Standard was developed by Natural Resources Canada in cooperation with Canada’s homebuilding professionals and key industry stakeholders to help Canadian easily identify energy-efficient homes. Over 1000 builders are registered to build ENERGY STAR homes, and over 34 000 ENERGY STAR homes have been built since the initiative began in 2005. http://oee.nrcan.gc.ca/residential/12924 <> hpacmag.com

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We understand underfloor.

Onix™ is well-known for flexibility

Remodeling is the perfect time to install a warm floor. If your finished labour time in cold weather and in floor is cold, install electric HeatWeave™ underfloor installations.

UnderFloor™ mats between the floor No plates required. There’s no easier joists to warm the room above.

UnderFloor works under any floor way to apply hydronic warmth between covering, including naildown hardwood. the joists than Onix in a staple-up.

FlexPlate™ is our new under floor heating plate. Made of specially processed natural graphite, FlexPlate attains 50% higher thermal conductivity than aluminum. Performance testing indicates FlexPlate outperforms extruded aluminum plates, while being quicker and easier to install. FlexPlate can be cut to length with scissors, be molded around or over irregular obstacles, and maintain contact with the subfloor where it counts.

FlexPlate Aluminum plate

Flexible Graphite Heat Transfer Plates

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www.wattscanada.ca