This is part two of our posts on R-value. Read the first post to get a definition of R-value and find out what it means to you. Doors and Windows As much as we love, and need, doors and windows, they are not good for a building’s insulation value. Doors open and close, allowing air…
Tag Archives: SHGC
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Nov
Nov
Australia’s Sustainable Window Alliance (SWA) is using science to measure the properties of energy efficient windows for residential applications. The groups says that while windows represent only 8% of a home’s exterior surface, they can account for up to 60% of unwanted heat loss in winter and 91% of unwanted heat gain in summer … and that…