6Ecofys for EURIMA. Mitigation of CO2 emissions from the building stock[EB/OL].http://www.ecofys.nl/com/publications/brochures_ newsletters/mitigation_ of_ CO2 _ emissions_ from_ the_ building_stock.htm,2011.
7Ecofys for EURIMA. Cost-effective climate protection in the EU building stock[EB/OL].http://www.ecofys.com/publication/cost_ effective_climate_protection_in_the_eu_building_stock/,.
8Griffith B,Long N,Torcellini P. Assessment of the technical potential for achieving net zero-energy buildings in the commercial sector[Technical Report NREL/TP-550-41957][R].2007.
10US Department of Energy Office of Energy Efficiency and Renewable Energy. M & V guidelines:measurement and verification for federal energy projects.Version 2,2[S].2000.
