Jim Gunshinan's Blog Posts Tagged 'Window blind' (1)

Window Shade Study Shows Positive Results

(This is from Robb Aldrich of Steven Winter Associates.)



It’s no secret that windows are a liability when it comes to heat loss in homes. Conductance of quality insulated, low-e windows is typically 0.30-0.35 Btu/ft2hr°F, or about R-3. If installed in a wall that performs at R-20, heat lost through windows is 6-7 times higher (per unit area) than heat loss through the rest of the wall.…

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Added by Jim Gunshinan on October 20, 2010 at 3:52pm — No Comments

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