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Thread: oversized coil

  1. #1
    Join Date
    Oct 2006
    Posts
    3
    i have a 3 ton a/c with a 4 ton coil. will that hurt anything?

  2. #2
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,179
    Reduces humidity removal but it may be what the manufacturer called for to get the rated efficiency. Hopefully the installer put in the right piston.

  3. #3
    Join Date
    Nov 2004
    Location
    Naples, Fla.
    Posts
    1,403
    If you'll post full Brand & Model #'s I'll try to certify compatibility.

    Or -- you can ck for yourself @ ARI.org

  4. #4
    Join Date
    Aug 2006
    Posts
    34
    I had some work done earlier this year on my HVAC and the service man told me I had a 3.5 ton ac compressor and a 4 ton coil.
    He said that this improved the humidity removal.
    Looks like I was given bad information again.

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