Seasonal energy efficiency ratio

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Seasonal energy efficiency ratio

(SEER)
Energy performance rating of a central air conditioner or heat pump operating in the cooling mode, calculated as the ratio of the estimated seasonal cooling output divided by the seasonal power consumption in an average climate.
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Units 10 years old or older have a seasonal energy efficiency rating (SEER) of only 6 to 8.
The efficiency of whole-house air conditioners is listed as the seasonal energy efficiency rating (SEER); look for a model with a SEER of at least 14.
Every unit is given an efficiency rating, called a SEER (Seasonal Energy Efficiency Rating), which is listed on the yellow Energy Guide label posted on each unit.
* Two Lennox air conditioning systems, one on each floor, with 19 SEER (seasonal energy efficiency rating) compared to the current 12 SEER average (the higher the SEER rating, the less the unit will cost to operate).