1. Cool Comfort: America’s Romance with Air Conditioning;Ackermann,2002
2. Air Conditioning Research Institute, 1999. Statistical Profile of the Air Conditioning, Refrigeration, and Heating Industry. ARI, Arlington VA.
3. Principles of electricity demand forecasting;Al-Alawi;Power Engineering Journal,1996
4. ASHRAE (American Society of Heating, Refrigeration, and Air Conditioning Engineers), 1993. Handbook of Fundamentals. ASHRAE, Atlanta GA.
5. J. Barron, 1983. Choosing a Home Central Air Conditioning System. New York Times, June 19, 1983, R1.