Frequently Asked Questions

How was the 17% Energy Shield™ estimated savings figure calculated?

The estimated savings on heating and cooling costs was calculated using the ten largest statistical metro areas by climate region using RESFEN 6 software contracted by the Department of Energy. The houses modeled were 2000 sq. ft. with 300 sq. ft. of double pane clear windows. Windows were evenly distributed and shades assumed to be down at all times.
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