Abhyankar, Nikit, Nihar Shah, Amol A Phadke, and Won Young Park. Technical and Economic Aspects of Designing an Efficient Room Air-Conditioner Program in India. 2017.PDF
de la Rue du Can, Stephane, Jayant A Sathaye, Lynn K Price, and Michael A McNeil. Energy Efficiency Indicators Methodology Booklet. 2010.PDF