1. Regulation (EU) No 517/2014 of the European Parliament and the Council of 16 April 2014 on fluorinated greenhouse gases and repealing Regulation (EC) No 842/2006. Official Journal of the European Union. (accessed 14 December 2015).
2. Commission Delegated Regulation (EU) No 626/2011 of 4 May 2011 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to Energy Labeling of Air Conditioners.
3. Commission Regulation (EU) No 206/2012 of 6 March 2012, implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to Eco design Requirements for Air Conditioners and Comfort Fans. .
4. Partial load performance test of residential heat pump system with low-GWP refrigerants;In;Appl. Therm. Eng.,2015
5. A comparative study on the performance and environmental characteristics of R410A and R22 residential air conditioners;Chen;Appl. Therm. Eng.,2008