From: Planned energy-efficient retrofitting of a residential building in Italy
Scenario
Ap. 1a
Ap. 1b
Ap. 2a
Ap. 2b
Ap. 3a
Ap. 3b
Building
Present State ÷ Retrofit 3
190
284
167
1141
Retrofit 4 and Retrofit 5
38
57
33
228