1. Standard 210/240-94, Standard for Unitary Air-Conditioning and Air-Source Heat Pump Equipment;ARI,2004
2. Standard 37, Methods of Testing for Rating Unitary Air-conditioning and Heat Pump Equipment;ASHRAE,1998
3. Standard 116, Methods of Testing for Rating Seasonal Efficiency of Unitary Air-conditioners and Heat Pumps;ASHRAE,1995
4. Blasnik, M., Downey, T., Proctor, J., Peterson, G., 1996, Assessment of HVAC installations in new homes in APS service territory, Proctor Engineering Group Report for Arizona Public Service Company.
5. Common faults and their impacts for rooftop air conditioner;Breuker;HVAC R Res.,1998