Portugal

Vila D’Este district, featuring both renovated and non-renovated buildings / © Gaiurb Located in the Porto metropolitan area, the Municipality of Vila

So far, the simulation with the best values was the house with LSF structure and ICB insulation 10cm on the outside and 10cm of rock wool on the inside.

Energy needed for heating: 12,31 kWh/(m2a)
Energy needed for cooling: 7,92 kWh/(m2a)
Building tightness: n/a
CO2 emissions: on going
Embodied energy: on going

The energy nZEB performance of SolarXXI can be considered as a reference year:
▪ Electric consumption: 22 kWh/m2.year
▪ Renewable electricity: 32kWh/m2.year taking into account all 3 PV systems.