Building before renovation
1970-built nonresidential building (secondary school) in the dense city centre of Bonneuil sur Marne (East of Paris).
Insulation added either as ETICS or as prefabricated filled panels.
Semi prefabricated global retrofit.
Insulation, windows change to triple glazing, air tightness, thermal bridge reduction, installation of comfort ventilation with high performance heat recovery.
|TFA||existing treated floor area (usable floor space)||
|Space heating||Heating demand||
|Space cooling||Cooling & dehum. demand||
|Frequency of overheating (> 25 °C)||
|Frequency of excessively high humidity (> 12 g/kg)||
|Airtightness||Pressurization test result n50||
|Non-renewable Primary Energy (PE)||PE demand||
|Generation of renewable energy (in relation to projected building footprint area)||
School | campus | university
8 000 m2
Département du Val de Marne
15 500 000 €