The Energy-10 Building Software Makes Creating Passive Solar Design Easier

Passive solar design is a simple concept but challenging in reality. The Energy-10 building software makes creating passive solar design easier for the designer.


| April/May 2002



191-020-03

Today barriers to passive solar design are falling, thanks in part to sophisticated building software like Energy-10 from the Sustainable Buildings Industry Council.


ILLUSTRATION: MOTHER EARTH NEWS STAFF

The Energy-10 building software makes creating passive solar design easier for designers. 

During the 1970s energy crisis, many designers and builders plunged into passive solar home construction. Most soon found that passive solar design is simple in concept, but a challenge in reality. Even small errors in design spawned major problems,such as overheating or freezing at night.

Today barriers to passive solar design are falling, thanks in part to sophisticated building software like Energy-10 from the Sustainable Buildings Industry Council in Washington, D.C. which makes creating passive solar design easier

Energy-10 allows architects, contractors and owner-builders to analyze passive-solar designs for energy performance at any stage of development. It also permits them to fine-tune their building designs to eke out additional energy savings and increase comfort levels. Perhaps the best feature allows the creation of region-specific building designs to help ensure optimal performance and comfort in a wide variety of climates.

As the simplest alternative energy system, a passive solar structure relies on south-facing glass, hefty insulation and thermal mass to capture and retain the sun's energy. A well-built solar home can slash heating bills by 25 percent to 80 percent.

Early passive solar designs sometimes failed to live up to expectations because the interactions between the solar home, climate and site are so complex. But Energy-10 software performs complicated calculations with click-of-the-button simplicity, including ranking energy saving features and determining the necessary size of backup heating and cooling systems.





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