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  1. #1
    Join Date
    Jun 2009
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    52

    Bigger inside coil on Heat Pump unit.

    My dealer wants to install a 48,000 BTU inside coil for the Amana ASZ (18 seer) 36,000 BTU Heat Pump that I'll be buying. He says this is more efficient. Is there an advantage in doing this?

  2. #2
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,368
    More efficiency, and sometimes more capacity depending on the matchup. May lose a little ability in removing as much moisture in low stage due to the larger surface area/warmer coil. May be needed to qualify for the tax credit requirements.

  3. #3
    Join Date
    Jun 2007
    Location
    The Twilight Zone
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    2,964
    Quote Originally Posted by Bellavance View Post
    My dealer wants to install a 48,000 BTU inside coil for the Amana ASZ (18 seer) 36,000 BTU Heat Pump that I'll be buying. He says this is more efficient. Is there an advantage in doing this?
    What is the exact model number of the coil?

  4. #4
    Join Date
    Jun 2009
    Posts
    52
    I'd have to check with dealer. Are some better than others?

    Pierre

    Quote Originally Posted by gary_g View Post
    What is the exact model number of the coil?

  5. #5
    Join Date
    Jun 2007
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    Quote Originally Posted by Bellavance View Post
    I'd have to check with dealer. Are some better than others?

    Pierre
    You want a coil that is a certified match.

    This is the reason for the complete model number.

  6. #6
    Join Date
    Jun 2009
    Posts
    52
    My dealer says that Amana recommends a list of inner coils compatible with each of their Heat Pump models, and that they go with this. Should this be OK?

    Pierre

    Quote Originally Posted by gary_g View Post
    You want a coil that is a certified match.

    This is the reason for the complete model number.

  7. #7
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
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    3,368
    As long as they are using a coil approved by Amana to match up to the ASZ18036 unit I would not be concerned. It's likely just to get the best efficiency ratings out of the given system.

  8. #8
    Join Date
    Jun 2009
    Posts
    52
    Thanks for your help !!

    Pierre

    Quote Originally Posted by RyanHughes View Post
    As long as they are using a coil approved by Amana to match up to the ASZ18036 unit I would not be concerned. It's likely just to get the best efficiency ratings out of the given system.

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