1. European Union, Directive 2002/91/EC of the European Parliament and of the Council of 16 December 2002 on the energy performance of buildings. Official Journal of the European Communities, 4 January 2003.
2. Italian government, Legislative Decree 19 August 2005, no. 192 (D. Lgs. 192/2005), complying the European Directive 2002/91/EC on the energy performance of buildings.
3. Italian government, Legislative Decree 29 December 2006, n. 311 (D. Lgs. 311/2006), modifying and integrating the Legislative Decree 19 August 2005, n. 192 (D. Lgs. 192/2005), complying the European Directive 2002/91/EC on the energy performance of buildings.
4. CEN, Explanation of the general relationship between various CEN standards and the Energy Performance of Buildings Directive (EPBD) (“Umbrella document”), European Committee for Standardization, 2005.
5. CEN, Energy performance of buildings—overall energy use and definition of energy ratings, EN 15603:2008, European Committee for Standardization, 2008.