1. Directive 2002/91/CE of energy performance of building Directive 2002/91/CE (EPBD).
2. Directive 2006/32/CE on energy end use efficiency and energy services (EEESD).
3. UNI CEN/TR 15615, Explanation of the general relationship between various European standards and the energy performance of buildings directive (EPBD)—umbrella document, 2008.
4. EN ISO 13790:2008 Energy performance of buildings—calculation of energy use for space heating and cooling.
5. UNI TS 11300:2008 parte 1 Prestazioni energetiche degli edifici—Parte 1: Determinazione del fabbisogno di energia termica dell’edificio per la climatizzazione estiva ed invernale (Energy performance of buildings—part 1 calculation of energy use for space heating and cooling) and UNI TS 11300 parte 2 Prestazioni energetiche degli edifici—Parte 2: Determinazione del fabbisogno di energia primaria e dei rendimenti per la climatizzazione invernale e per la produzione di acqua calda sanitaria.(Energy performance of buildings—part 2 calculation of energy primary and energy performance for heating plant and domestic hot water production).