9. Glossary
Heat flow in W
Quantity of heat transmitted by a system, divided by time
Intermediate floor
Connections inside the perimeter of a given floor
Linear transmittance Ψ
Coefficient expressing losses due to a linear thermal bridge (in W per K and per linear meter)
Point transmission coefficient χ
Coefficient expressing heat loss due to a point thermal bridge (in W per K)
Interior insulation ITI
Insulation with an insulating layer applied to the inside of a vertical envelope wall
External insulation ITE
Insulation with an insulating layer applied to the outside of a vertical envelope wall
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