The complete source for building, designing, and remodeling green homes

Energy Solutions
State-of-the-Art Windows for A New Home

Two layers of glass plus two plastic films — along with three low-e coatings and krypton gas fill — make these Alpen windows top performers
Energy Solutions
Window Performance — Part 3

Filling the gap between multiple glazing layers with a low-conductivity gas like argon or krypton greatly improves a window’s energy performance

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State-of-the-Art Windows for A New Home