What is the highest seer rating an AC unit can be?



  1. 0 Votes

    The highest rating out there right now for SEER, or seasonal energy efficiency ratio, is 23.  The lowest allowed these days is 13 and high efficiency models range from 16-20.  This is in comparison to an average of 6 in the 1980s.  As units improve, we can expect to see the SEER ratings go even higher.

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