Home > Term: coefficient of heat transmission (U-value)
coefficient of heat transmission (U-value)
A value that describes the ability of a material to conduct heat. The number of Btu that flow through 1 square foot of material, in one hour. It is the reciprocal of the R-Value (U-Value = 1/R-Value).
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Energy
- Category: Energy efficiency
- Company: U.S. DOE
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- mara nicaru
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