1. Directive 2002/91/EC of the European Parliament and of the Council of 16 December 2002 on the energy performance of buildings. In: Official journal of the European Communities L1, Luxembourg: European Commission; 2003. p. 65–70.
2. Directive 2010/31/EU of the European Parliament and of the Council of 19 May 2010 on the energy performance of buildings (recast). In: Official journal of the European Union L153, Luxembourg: European Commission; 2010. p. 13–35.
3. Technical Building Code CTE. Basic document on energy savings DB-HE. Madrid: Spanish Ministry of Housing; 2006. .
4. Solar thermal collectors and applications;Kalogirou;Progr Energy Combust,2004
5. Potential application of a centralized solar water-heating system for a high-rise residential building in Hong Kong;Chow;Appl Energy,2006