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U Factor (U value) Efficient Windows Collaborative
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U Factor (U value) Efficient Windows Collaborative
Website URL:
http://www.efficientwindows.org/ufactor.php
Category:
Doors Windows
While they are related, different assumptions and test criteria are used in calculating the two ... divide 1 by the U-factor number, E.g.: a 0.25 U-factor equals a 1 ...
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