History: 1990s concrete office building for La Poste Immobilier, lightly renovated in 1999 & 2003, later integrated into SOLOREM’s portfolio.
Occupancy: Single tenant, <200 users, continuous occupation; renovation aligned with lease renewal (since 2021) and carried out in occupied conditions.
Specificities: Pre-renovation: poor comfort, high energy use, complex HVAC Post-renovation: high-performance envelope, heat pump + heat recovery, improved comfort with lower energy demand, strong thermal inertia aiding passive cooling
Key measures implemented
The main actions implemented to reduce the energy consumption of this building.
Efficiency Investments
Radiators removed in low-need area
Technical Optimization
Setpoint at 17°C (achieves ~20°C indoor naturally)