Table 11 Annual energy need for heating in each retrofit scenario, kWh
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 | 9487 | 17976 | 7479 | 6245 | 9475 | 8391 | 59,054 |
Retrofit 1 | 4579 | 9111 | 3435 | 2375 | 3867 | 2868 | 26,234 |
Retrofit 2 ÷ 5 | 2873 | 6114 | 1773 | 1608 | 2190 | 2112 | 16,670 |