What is SEER?
Air conditioners are given a rating of their energy efficiency called the Seasonal Energy Efficiency Ratio (SEER). A higher SEER means a more energy efficient air conditioner. The United States Department of Energy sets a minimum standard SEER rating for air conditioning systems. In 2006 the minimum SEER for commercial air conditioners sold in the U.S. was set at 13. To qualify as an Energy Star appliance, an air conditioning...
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