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  1. #14
    Join Date
    Jun 2008
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    48
    Quote Originally Posted by RyanHughes View Post
    I didn't mean you couldn't go with a 2-stage unit from Amana or another manufacturer; I meant that "no," it typically isn't a problem going up to the next full-ton size for a dual-stage unit, if the size below the full-ton size is the correct size, which is why I said if 2.5 tons is the correct size.
    Okay understood. Since Goodman does not have a 2 stage in the 3 ton unit, I am stuck with 14-15 SEER single stage. (goodman)

    Clay

  2. #15
    Join Date
    Dec 2007
    Location
    Ohio
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    2,876
    Quote Originally Posted by frijoli View Post
    Okay understood. Since Goodman does not have a 2 stage in the 3 ton unit, I am stuck with 14-15 SEER single stage. (goodman)

    Clay
    Amana and Goodman are pretty much the same thing....Amana has the options you are looking for and if your installer can get you Goodman....there is a good chance they can get you the Amana too.
    I need a new signature.....

  3. #16
    Join Date
    Jun 2008
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    48
    Quote Originally Posted by I_bend_metal View Post
    Amana and Goodman are pretty much the same thing....Amana has the options you are looking for and if your installer can get you Goodman....there is a good chance they can get you the Amana too.
    Thanks Bender.

    What model do I start looking at? My installer mentioned he does Amana as well.

    Clay

  4. #17
    Join Date
    Jun 2008
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    48
    Quote Originally Posted by frijoli View Post
    Thanks Bender.

    What model do I start looking at? My installer mentioned he does Amana as well.

    Clay
    Never mind, I answered my own question. They have the asz16 in a 2 speed 2.5 ton as well as the 18 in a 3 ton.

    More questions to follow................

    What a great forum!

  5. #18
    Join Date
    Dec 2007
    Location
    Ohio
    Posts
    2,876
    Amana's 16 seer unit is the ASZ160361

    It's got the two stage Copeland scroll compressor ... it's also a 3 ton
    I need a new signature.....

  6. #19
    Join Date
    Jun 2008
    Posts
    48
    Quote Originally Posted by I_bend_metal View Post
    Amana's 16 seer unit is the ASZ160361

    It's got the two stage Copeland scroll compressor ... it's also a 3 ton
    Okay, going back to my original question, is it acceptable to go with the 3 ton unit in a 2 stage, or stick with the 2.5ton?

    If so I'd probably go with the 18SEER unit.

    Clay

  7. #20
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,371
    Yes it's acceptable. It will give you a little more capacity during those days you need it and run in low stage most of the time. This is assuming 2.5 tons is the right size. The Amana dual-stage unit would be a good upgrade from the Goodman 14 SEER in my opinion.

  8. #21
    Join Date
    Jun 2008
    Posts
    48
    How do you put together a part number for these?

    I am looking at the asz18 and the variable speed air handler, in the 3ton model.

    Clay

  9. #22
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,371
    ASZ18036 (h/p) + AEPF3036 or AEPF4260 (a/h) = 18.00 SEER, 13.00 EER, and 9.25 HSPF--these are excellent efficiency ratings.

  10. #23
    Join Date
    Jun 2008
    Posts
    48
    Quote Originally Posted by RyanHughes View Post
    ASZ18036 (h/p) + AEPF3036 or AEPF4260 (a/h) = 18.00 SEER, 13.00 EER, and 9.25 HSPF--these are excellent efficiency ratings.
    How'd you do that?

  11. #24
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,371
    Amana has technical specifications here (036 matchup ratings are on page 18): http://www.amana-hac.com/Portals/1/pdf/SS-ASZ18.pdf

    And if you know the Amana model nomenclature, you can enter the model numbers into the ARI directory to get these ratings.

  12. #25
    Join Date
    Jun 2005
    Location
    SW Wisconsin
    Posts
    5,012
    Unless you have a lot of A/C hours per season, it will make little difference in cooling costs.

    I personally like the Goodman 14-SEER with a scroll compressor & a TXV metering device. If Installed properly with plenty of airflow at proper static pressures & an attainable 450-cfm/ton of cooling, it should do the job with good payback.

    Optimal Airflow is extremely important toward optimal Btu/hr performance! - udarrell

  13. #26
    Join Date
    Jun 2005
    Location
    SW Wisconsin
    Posts
    5,012
    Unless you have a lot of A/C hours per season, it will make little difference in cooling costs between a 14 or 16-SEER. Don't take the SEER sales charts at face value.

    I personally like the Goodman 14-SEER with a scroll compressor & a TXV metering device. If Installed properly with plenty of airflow at proper static pressures & an attainable 450-cfm/ton of cooling, it should do the job with good payback.

    Optimal Airflow is extremely important toward optimal Btu/hr performance! - udarrell

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