Heat loss due to linear thermal bridging

The heat loss due to linear thermal bridging () is a physical quantity used when calculating the energy performance of buildings. It appears in both United Kingdom[1] and Irish[2] methodologies.

Calculation

edit

The calculation of the heat loss due to linear thermal bridging is relatively simple, given by the formula below:[3]

 

In the formula,   if Accredited Construction details used, and   otherwise, and   is the sum of all the exposed areas of the building envelope,

References

edit
  1. ^ "User Manual, JPA Designer" (PDF). techlit.co.uk. Archived from the original (PDF) on 2007-10-08. Retrieved 2007-07-06.
  2. ^ "Dwelling Energy Assessment Procedure". Sustainable Energy Ireland. 2006. Archived from the original on 2007-09-28. Retrieved 2007-07-06.
  3. ^ "Steel Construction and Thermal Bridging". British Constructional Steelwork Association. Retrieved 2007-07-06. [permanent dead link]