U Value Factor

U-Factor, U-Value, Green-Built, North Texas, Glossary, Central Texas, Defines, North Central Texas, Green Buiding, Green Homes, Green Builder, Energy-Efficient Houses

U-Value or U-Factors 


Measures the rate at which heat flows or conducts through a building assembly (wall, floor, ceiling, etc.). The smaller the u-value the more energy efficient an assembly and the slower the heat transfer

Window performance labels include U-values (calling them U-factors) to help in compare window products.

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