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HTB

In Physics, H_TB is the heat loss due to linear thermal bridging when calculating the energy performance of buildings. It appears in both United Kingdom^[1] and Irish^[2] methodolgies.

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Calculation of H_TB

^[3]

The calculation of the heat loss due to linear thermal bridging is relatively simple, given by the formula below:

H_TB = y . ΣA_exp

where

y = 0.08 if Accredited Construction details used; y = 0.15 otherwise
ΣA_exp is the sum of all the exposed areas of the building envelope

References

^ User Manual, JPA Designer. JPA Technical Literature. Retrieved on 2007-07-06.
^ Dwelling Energy Assessment Procedure. Sustainable Energy Ireland (2006). Retrieved on 2007-07-06.
^ Steel Construction and Thermal Bridging. British Construction Steelwork Association. Retrieved on 2007-07-06.

Category: Thermodynamics

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "HTB". A list of authors is available in Wikipedia.