Lots of sunshine in replacement window sales

and cooling energy used throughout the year in the rest of the house. Solar heat gain in the Concept IV addition can be distributed throughout the house to reduce heating costs in the winter, and prevent unwanted heat from the outdoors to reduce cooling costs in summer.

The company has prepared a Concept IV workbook and will offer workshops to explain the principles. They believe that remodeling with the Concept IV plan will help a dealer to sell a great deal more than windows and gliding doors, since the remodeling program requires a host of related building products.

Another innovation in windows comes from Louisiana-Pacific in the Heat Mirror, a new window insulating process which gives casement windows and patio doors 6590 better insulation than conventional double glazed products with virtually no effect on visible light transmission. An invisible polyester film sandwiched between two layers of glass does the job.

Wasco has a passive solar system

Story at a Glance

Wlndow sales to hlt $4.5 bllllon manufacturers striv. lng to llll needs of remodellng market . . dealers must be prepared to help customers relatod sales posslbllltles.

adaptable for add-on applications such as greenhouses and sun porches or integral interior applications such as converting a living room, den or attic room to a passive solar sunroom. The sloped skylight glazing system is flexible and can be sized and styled to the room or space available. In addition, they have skywindows for home improvement. Velux also has roof windows designed for remodeling including one for attic applications.

The garden window from Capitol Windows as well as other manufacturers offers a new look on both the inside and outside. This style of window is proving successful for pepping up existing kitchens or as part of a total kitchen remodeling package.

Reynolds Metals Co. has developed an aluminum residential replacement window based on energysaving advantages found successful in their commercial replacement windows. They also are producing vinyl residential replacement windows with dual or triple glazing.

Other window manufacturers including Caradco and Marvin offer wide selections of both contemporary and traditional windows for the remodeling market. Literature from the National Woodwork Manufacturers Association as well as the individual manufacturers explains the energy advantages of the various systems.

Dealers wanting to make the most of this boom in residential window replacements should study the many products offered and be prepared to meet any and all requests from their customers. A well informed staff and ready availability of a product can make the sale yours.

ENERGY EFFICIENT room additions depend on the use of substantial amounts of olass pointed towards the sun, a well insuiated structure and sufficient thermal mass in the floor or walls to store daytime heat for evening use. These energy selJ-sufficient rooms can fill many needs for a family and blend in with the architectural style of a home.

LARGE WIND0W areas will help to provide heat to the lhermal mass in an addition constructed to store solar energy. lt is important that windows and gliding d-tiors seleited for such rooms are checked carefullv for U-values and air infiltration rates. Ujvalue measures the amount of heat transmitted through all materials in a window, while air infiltration measures the amount oJ air leakage between sash/frame.