1. EN 15603:2008: Energy performance of buildings—overall energy use and definition of energy ratings.
2. CEN/TR 15615:2008: Explanation of the general relationship between various European standards and the Energy Performance of Buildings Directive (EPBD)—Umbrella Document.
3. L. Tronchin, K. Fabbri, A Round Robin Test for buildings energy performance in Italy, Energy and Buildings (2010). doi:10.1016/j.enbuild.2010.05.022.
4. Directive 2002/91/EC of the European Parliament and of the Council on the energy performance of buildings (EPBD), 2002.
5. Directive 2006/32/EC of the European Parliament and of the Council of on the energy end use efficiency and energy services, 2006.