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Blinds

Do we take interior blinds or shades into account when we calculate the Solar Heat Gain Coefficient? The windows that I am using on my project have a SHGC of 0.66 which is really high compared to ASHRAE's 90.1 design guidelines.

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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Mon, 11/04/2013 - 16:56

I don't think interior blinds or shades should affect SHGC. The heat is already in the building by the time the sun hits interior blinds. And they are not permanent building fixtures.

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