The heat loss due to linear thermal bridging (
) is a
physical
Physical may refer to:
*Physical examination
In a physical examination, medical examination, or clinical examination, a medical practitioner examines a patient for any possible medical signs or symptoms of a medical condition. It generally co ...
quantity used when calculating the energy performance of buildings. It appears in both
United Kingdom and
Irish methodologies.
Calculation
The calculation of the heat loss due to linear thermal bridging is relatively simple, given by the formula below:
[ ]
:
In the formula,
if Accredited Construction details used, and
otherwise, and
is the sum of all the exposed areas of the
building envelope,
References
Energy economics
Thermodynamic properties
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