1. Identify and measure the main sources of heat loss
1.1 Identify losses
Energy loss refers to the loss of energy produced, while heat loss is the loss of heat that a building experiences through its walls and fluid exchanges with the outside. This study will be based entirely on heat loss, which generally occurs in three different ways:
loss through surface walls;
heat loss through thermal bridges;
finally, loss through air renewal and possible leaks.
These losses are even greater when thermal insulation is poor or non-existent.
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Identify and measure the main sources of heat loss
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Bibliography
Building Renovation & Energy Performance, Brigitte VU and Pascal LAUDE - Dunod Publishing (2020).
RE2020 and energy renovation / Practical guide - SENOVA, Éditions Eyrolles (2021).
RE 2020 Guide/Eco-building for everyone's comfort.
Regulations
Article R. 172-10-1 of the French General Tax Code ( décret n° 2021-1004 du 29 juillet 2021 ).
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