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Blog Title: What is EER?
What is EER? My contractor says its really important.
Category: Ductless Air And Heat Units Post By: TINA SULLIVAN (North Salem, NH), 01/03/2014

Energy efficiency ratio is used to express the relative efficiency of a heating or cooling device by dividing the heat output by the power input. The higher the ratio compared to others, the better the system is.

- JOY TERRY (Bellville, FL), 03/13/2014
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