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2. EN ISO 13790: Thermal Performance of Buildings – Calculation of Energy Use for Space Heating and Cooling,2008
3. Green Performs Better: Energy Efficiency and Financial Return on Buildings;Cajias,2017
4. Bio Intelligence Service, Ronan Lyons and IEEP, Energy performance certificates in buildings and their impact on transaction prices and rents in selected EU countries, Final Report prepared for European Commission (DG Energy) 19 April 2013 https://ec.europa.eu/energy/sites/ener/files/documents/20130619-energy_performance_certificates_in_buildings.pdf.
5. Does energy efficiency matter to home-buyers? An investigation of EPC ratings and transaction prices in England;Fuerst;Energy Econ.,2015