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 labelling of air conditioners (c. 626)
Air Conditioner Efficiency Ratings: Making Sense of What's On SA Energy Efficiency Labels - Turbovent
Room air conditioners Recommendations_8 March 2011