1. Italian Legislative Decree no.192/2005, National Official Gazette no. 222, September 22, 2005.
2. Italian Legislative Decree no. 311/2006, National Official Gazette no. 26/L, January 1, 2007.
3. Decree of the Italian Republic President no. 59, National Official Gazette no. 132, June 10, 2009.
4. CEN, EN ISO 13790, Energy performance of buildings. Calculation of energy use for space heating and cooling, 2007.
5. Energy performances of glazing systems by the light of the Italian new Legislative Decrees (in Italian);Cappelletti,2006