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U-factorA measure of total heat flow through a window or door barrier from room air to outside air. Lower numbers indicate greater insulating capabilities.
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U-factorA measure of the heat transferred (or lost) through windows and doors. The lower the U-factor, the better the energy efficiency of a window. The inverse of U-factor (1/U-factor) identifies the heat resistance, expressed in RSI. The higher the RSI, the better the window is at resisting heat loss. You can use these values to choose windows to capture [..]
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U-factorRate of heat flow-value through a building component, from room air to outside air. Also referred to as U-value. The lower the U-factor, the better the insulating value. U-factor, a rating more generally used in the window industry, is the reciprocal of R-value, a rating commonly used in the insulation industry.
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U-factorA measure (Btu/h ft2 °F) of how well a material or series of materials conducts heat. U-factors for window and door assemblies are the reciprocal of the assembly R-value. The smaller the number, the l [..]
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U-factorThe factor amounting to the resistance of heat flow through various building materials.
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U-factorThe factor representing resistance to heat flow of various building materials.
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U-factorThe factor amounting to the resistance of heat flow through various building materials.
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U-factorThe factor amounting to the resistance of heat flow through various building materials.
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U-factorThe factor amounting to the resistance of heat flow through various building materials. Back to the top.
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U-factorThe factor amounting to the resistance of heat flow through various building materials. Back to the top.
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U-factorThe factor representing resistance to heat flow of various building materials.
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U-factorThe factor amounting to the resistance of heat flow through various building materials.
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U-factor The factor amounting to the resistance of heat flow through various building materials.
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U-factorThe factor amounting to the resistance of heat flow through various building materials.
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U-factorMeasure of the heat conducted through a given product or material—the number of British thermal units (Btus) of heat that move through a square foot of the material in one hour for every 1 degree Fahr [..]
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