Low Energy Building Design Morphology by Richard Pedranti

CONFERENCE PRESENTATION North American Passive House Conference 2018 Boston, MA

LOW ENERGY BUILDING DESIGNProcess and case studies MORPHOLOGY Process and case studies

Richard Pedranti, AIA

Richard Pedranti Architect September 21, 2018

TIMELINE OF BUILDING MORPHOLOGY

1300 1200

1700

1500 1400

1600

1900 1800

2018

TIMELINE OF BUILDING MORPHOLOGY

1300 1200

1700

1500 1400

1600

1900 1800

2018

TIMELINE OF BUILDING MORPHOLOGY

1300 1200

1700

1500 1400

1600

1900 1800

2018

TIMELINE OF BUILDING MORPHOLOGY

1300 1200

1700

1500 1400

1600

1900 1800

2018

TIMELINE OF BUILDING MORPHOLOGY

1300 1200

1700

1500 1400

1600

1900 1800

2018

CLIMATE AND FORM CLIMATE and FORM

Climate and Form diagram from chapter 1

DESIGN METHODOLOGY

SITE AND FORM

DESIGN METHODOLOGY

SITE AND FORM

DESIGN METHODOLOGY

SITE AND FORM

DESIGN METHODOLOGY

SITE AND FORM

Case Study 1 Scranton Passive House OUR FIRST PASSIVE HOUSE

SCRANTON PASSIVE HOUSE

Mechanical core

Environmental separator Daylighting core

SCRANTON PASSIVE HOUSE

SOUTH

SCRANTON PASSIVE HOUSE SVR 0.32 GLASS 14% SOUTH GLASS 47%

MORPHOLOGY ROOF R=91

5KW PV WALL R=61

SLAB R=76

ENVELOPE R VALUE = 36.2 GENERAL INFO SCRANTON, PA 2,153 SQFT CLIMATE ZONE 5/6 HERS 28 PV TO ZERO 5KW

MECHANICAL BALANCED VENTILATION HEAT / COOL HOT WATER WINDOWS

RENEWAIRE ERV MITSUBISHI ASHP GE HWHP INTUS EFORTE

PASSIVE HOUSE METRICS ANNUAL HEAT DEMAND HEAT LOAD PRIMARY ENERGY AIR TIGHTNESS TREATED FLOOR AREA

4.52 KBTU/(FT2YR) 2.75 KBTU/(FT2YR) 31.5 KBTU/(FT2YR) 0.47ACH@50PA 1,750 SQFT.

SCRANTON PASSIVE HOUSE

SCRANTON PASSIVE HOUSE This simple, traditional, PHIUS design offers a clear path to a solid sustainable home. GREEN BUILDER MAGAZINE

SCRANTON PASSIVE HOUSE

OPTIMIZED BUILDING MORPHOLOGY

Optimized solar orientation

OPTIMIZED BUILDING MORPHOLOGY Efficient geometry

Optimized solar orientation

OPTIMIZED BUILDING MORPHOLOGY Efficient geometry Compact volume (Form)

Air tight volume

Optimized solar orientation

OPTIMIZED BUILDING MORPHOLOGY High R value enclosure (TB free) Efficient geometry Compact volume (Form)

Air tight volume

Optimized solar orientation

OPTIMIZED BUILDING MORPHOLOGY High R value enclosure (TB free) Efficient geometry Compact volume (Form)

Careful window placement and ratios

Air tight volume

Careful shading Optimized solar orientation

OPTIMIZED BUILDING MORPHOLOGY High R value enclosure (TB free) Efficient geometry Compact volume (Form)

Air tight volume

Careful window placement and ratios

Mechanical core

Careful shading Optimized solar orientation

OPTIMIZED BUILDING MORPHOLOGY High R value enclosure (TB free) Efficient geometry Compact volume (Form)

Air tight volume

Simple ventilation layout DHW Heating Careful window placement and ratios

Mechanical core

Careful shading Optimized solar orientation

OPTIMIZED BUILDING MORPHOLOGY Renewables Efficient geometry Compact volume (Form)

Air tight volume

High R value enclosure (TB free) Simple ventilation layout DHW Heating Careful window placement and ratios

Mechanical core

Careful shading Optimized solar orientation

OPTIMIZED BUILDING MORPHOLOGY High R value enclosure (TB free)

Renewables

Simple ventilation layout DHW Heating

Efficient geometry Compact volume (Form)

Careful window placement and ratios

Mechanical core

Air tight volume Daylighting core Optimized solar orientation

Careful shading

DESIGN PARAMETERS A Science / Quantitative Orientation Compact volume (Form) Efficient geometry (SVR) R value Glazing placement Glazing ratios Shading Thermal bridging Air tightness Ventilation Water management Vapor management System design Equipment efficiency Renewables COPYRIGHT 2018 RICHARD PEDRANTI ARCHITECT, PC

DESIGN PARAMETERS A Science / Quantitative Orientation

B Architecture / Qualitative Place

Compact volume (Form)

Landscape

Efficient geometry (SVR)

Aesthetics

R value Glazing placement Glazing ratios Shading

Order Technology Social patterns Culture

Thermal bridging

Structure

Air tightness

Materials

Ventilation

Experience

Water management

Comfort

Vapor management

Health

System design

Light

Equipment efficiency

Sound

Renewables

Space

LOW ENERGY BUILDING DESIGN MAP A Science / Quantitative Orientation Compact volume (Form) Efficient geometry (SVR) R value Glazing placement Glazing ratios Shading

B Architecture / Qualitative SITE

Place Landscape Aesthetics Order Technology Social patterns Culture

Thermal bridging

Structure

Air tightness

Materials

Ventilation

Experience

Water management

Comfort

Vapor management

Health

System design

Light

Equipment efficiency

Sound

Renewables

Space

LOW ENERGY BUILDING DESIGN MAP A Science / Quantitative Orientation Compact volume (Form)

B Architecture / Qualitative SITE

Efficient geometry (SVR)

Order

Glazing placement Shading

Landscape Aesthetics

R value Glazing ratios

Place

Technology

FORM

Social patterns Culture

Thermal bridging

Structure

Air tightness

Materials

Ventilation

Experience

Water management

Comfort

Vapor management

Health

System design

Light

Equipment efficiency

Sound

Renewables

Space

LOW ENERGY BUILDING DESIGN MAP A Science / Quantitative Orientation Compact volume (Form)

B Architecture / Qualitative SITE

Efficient geometry (SVR)

Order

Glazing placement Shading

Landscape Aesthetics

R value Glazing ratios

Place

Technology

FORM

Social patterns Culture

Thermal bridging

Structure

Air tightness

Materials

Ventilation

Experience

Water management

Comfort

Vapor management

Health

SPACE

Light Sound Space

LOW ENERGY BUILDING DESIGN MAP A Science / Quantitative Orientation Compact volume (Form)

B Architecture / Qualitative SITE

Efficient geometry (SVR)

Place Landscape Aesthetics

The art of optimizing BOTH Order Glazing placement Technology “sides” is where successfulSocial patterns Glazing ratios FORM Shading Culture Passive House design Thermal bridging Structure Air tightness separates itself from simply Materials Ventilation Experience achieving energy efficiency. Comfort Water management R value

Health

SPACE

Light Sound Space

Quantitative

1. 2. 3. 4. 5.

SOLAR ORIENTATION HIGH INSULATION HIGH PERFORMANCE WINDOWS AIR TIGHT CONSTRUCTION BALANCED VENTILATION

Experience

1. 2. 3. 4. 5.

COMFORT AIR QUALITY SOUND AND DAYLIGHT SIMPLICITY BEAUTY

Case Study 2 Soeder Passive House A HOME IN THE COUNTRY

SOEDER PASSIVE HOUSE

SOEDER PASSIVE HOUSE Mechanical core

Environmental separator

N Daylighting core

SOEDER PASSIVE HOUSE

SOUTH

SOEDER PASSIVE HOUSE SVR 0.32 GLASS 14% SOUTH GLASS 51%

MORPHOLOGY ROOF R=100

WALL R=60

FOUNDATION R=42 ENVELOPE R VALUE = 38.5 GENERAL INFO BECHTELSVILLE, PA 2,600 SQFT CLIMATE ZONE 5/6 HERS 30 PV TO ZERO 6KW

MECHANICAL BALANCED VENTILATION HEAT / COOL HOT WATER WINDOWS

ZEHNDER 350 MITSUBISHI ASHP GE HWHP INTUS EFORTE

PASSIVE HOUSE METRICS ANNUAL HEAT DEMAND HEAT LOAD PRIMARY ENERGY AIR TIGHTNESS TREATED FLOOR AREA

4.75 KBTU/(FT2YR) 2.84 KBTU/(FT2YR) 34.5 KBTU/(FT2YR) 0.22 ACH@50PA 2,440 SQFT.

SOEDER PASSIVE HOUSE

SOEDER PASSIVE HOUSE This is a great performing homeâ&#x20AC;¦ The design of the home was also very well executed, with plenty of room for the family and a sense of space in a small footprint. Chris McTaggart BER, HERS manager PHIUS+ QA manager

SOEDER PASSIVE HOUSE

FORM = ENERGY DIAGRAM OF PASSIVE HOUSE ENVELOPE CALCULATIONS

SVR STUDY

Itâ&#x20AC;&#x2122;s a box

Case Study 3 Keffer Passive House BREAKING THE BOX

KEFFER PASSIVE HOUSE

KEFFER PASSIVE HOUSE Mechanical core Box 2

Daylighting core Box 1

Environmental separator

Green box is Kitchen volume

KEFFER PASSIVE HOUSE

SOUTH

KEFFER PASSIVE HOUSE

KEFFER PASSIVE HOUSE SVR 0.34 GLASS 15% SOUTH GLASS 67%

MORPHOLOGY ROOF R=100

WALL R=62

SLAB R=76 ENVELOPE R VALUE = 38.5 GENERAL INFO HAWLEY, PA 2,900 SQFT CLIMATE ZONE 5 HERS 32 PV TO ZERO 7KW

MECHANICAL BALANCED VENTILATION HEAT / COOL HOT WATER WINDOWS

ZEHNDER 350 MITSUBISHI ASHP NYLES GEYSER INTUS EFORTE

PASSIVE HOUSE METRICS ANNUAL HEAT DEMAND HEAT LOAD PRIMARY ENERGY AIR TIGHTNESS TREATED FLOOR AREA

4.65 KBTU/(FT2YR) 2.93 KBTU/(FT2YR) 27.3 KBTU/(FT2YR) 0.29 ACH@50PA 2,304 SQFT.

KEFFER PASSIVE HOUSE

KEFFER PASSIVE HOUSE “The passive house structure’s

large south-facing windows provide lots of natural light.” Lynn Keffer

LESSONS LEARNED 1. SITE

SITE

LESSONS LEARNED 1. SITE

SITE 2. FORM

FORM

LESSONS LEARNED 1. SITE

SITE 2. FORM

FORM

3. SPACE

SPACE

RICHARD PEDRANTI ARCHITECT www.richardpedranti.com

RESOURCES Heating, Cooling, Lighting Sustainable Design Methods for Architects Norbert Lechner Wiley 2015

Frank Lloyd Wright and the Destruction of the Box H. Allen Brooks Journal of the Society of Architectural Historians 1979

Design With Climate Biolclimatic approach to architectural regionalism Victor Olgyay Princeton University Press 1963

RICHARD PEDRANTI ARCHITECT www.richardpedranti.com