Future Cities and Environment

Table 14 Annual use of primary energy for heating and DHW in Scenarios Present State, Retrofit 1 and Retrofit 2, 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	15,071	25,494	12,127	10,532	14,715	13,315	91,254
Retrofit 1	8707	14,001	6883	5515	7444	6154	48,703
Retrofit 2	6495	10,115	4729	4521	5269	5174	36,303

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