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  1. #1

    Cool Seer Compatibility

    Are there any respected association or manufacturer reports that require entire system replacement on 10- vs. 13+ SEER components?

  2. #2
    Join Date
    Jan 2004
    All manufacturers, recommend complete matching indoor and outdoor units.

    Some void warranty if you don't.
    Contractor locator map


    How many times must one fix something before it is fixed?

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