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Thread: oversized coil

  1. #1
    Join Date
    Oct 2006
    Posts
    3
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    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
    35,922
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    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
    Post Likes
    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
    Post Likes
    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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