1. Directive 2002/91/EC of the European Parliament and of the Council of 16th December 2002 on the energy performance of buildings. Published in the Official Gazette of the European Communities n. L 1; 4th January 2003.
2. European Project Educa-RUE, 2007–2010. “Task report 2.1 and 2.2”, “Task Report 2.3_Building selection”, “Task Report 5.1_Energy Audit”, “Task Report 5.2_Executive Project”, “Task Report 5.4_Local Plan”. .
3. Italian legislative decree 29th December 2006. n. 311, “Disposizioni correttive ed integrative al decreto legislativo 19 agosto 2005, n. 192, recante attuazione della direttiva 2002/91/CE, relativa al rendimento energetico nell’edilizia”. Published in the Italian Official Gazette n. 26, S. O. n. 26/L; 1st February 2007.
4. UK. The building and approved inspectors regulation 2006 – Part F and Part L. .
5. Spain, Royal Decree CTE – 28/03/2006, Royal Decree RITE – 29/08/2007, Royal Decree – 31/01/2007. .