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What is a U-value?

April 26, 2017u-value

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What is a U-value?

3 Answers

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U-value (or U-factor) is the measure of the window’s ability to conduct heat—in other words, the amount of heat transmitted through the window. The lower a window’s U-value, the better the window is at insulating your home.

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A U-Value is an insulation rating for transparent objects like glass. The lower the U-Value, the better the insulation.

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A A U value is a measure of the thermal conductivity of a material, the lower the U value, the less heat will pass through the material. When selecting materials for your house, such as insulation and windows, the materials with the lowest possible U values should be used. This will help to increase energy efficiency and will contribute to a better energy rating.