1. ANSI/ASHRAE Standard 169–2013, Climatic Data for Building Design Standards;ASHRAE,2013
2. Standard 100–2015, Energy Efficiency in Existing Buildings;ASHRAE,2015
3. Building Energy Quotient: in Operation Assessment;ASHRAE,2016
4. Energy Saving Ordinance (EnEV);BBSR,2013
5. BCA Building Energy Benchmarking Report 2016;BCA,2016