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  1. #1
    Join Date
    Sep 2005
    Location
    NC
    Posts
    1,467
    Keep in mind that the Trane H/P has gone out. My question is putting a 13 seer goodman H/P to a 12 seer goodman A/H.
    Thanks,
    Clay

  2. #2
    Join Date
    Feb 2006
    Location
    pittsburgh pa
    Posts
    85
    you should be fine as long as you use the piston that comes with the condenser. you will still lose the 13 seer efficiency but will work ok.

  3. #3
    Join Date
    Feb 2005
    Location
    Alabama
    Posts
    534
    From what I've been told you can't do that since you would not be meeting the minimum 13 SEER requirement. This whole minimum SEER upgrade is going to open up a truck load of problems.

    By the crusher, if I remember right the new 13 SEER equipment requires TXV kits, not pistons, or fixed metering devices.
    "If you can't fix it, don't break it."

  4. #4
    Join Date
    Feb 2006
    Location
    pittsburgh pa
    Posts
    85
    the federal requirement is no cooling units may be manufactured after jan 26 2006. but anything out standing can be installed. including 10 seer
    and you are correct about txv. except for goodman, we have installed a few recently for local builder and they still use pistons. that is why i hate goodman they are CHEEAP.

  5. #5
    Join Date
    Feb 2005
    Location
    Alabama
    Posts
    534
    Yeah you're right crusher.
    "If you can't fix it, don't break it."

  6. #6
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,865
    Well, since no one knows what they are talking about so far, how about a model number of the indoor unit?

    Why is using a fixed metering device cheap? More copper and aluminum is required for the indoor coil when using a fixed metering device. One of the main reasons for using TXVs is to be able to save on coil capacity.

    Anyway; post the indoor air handler model so we can check to see if it is compatible.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  7. #7
    Join Date
    Feb 2005
    Location
    Alabama
    Posts
    534
    Originally posted by RoBoTeq
    Well, since no one knows what they are talking about so far, how about a model number of the indoor unit?

    Why is using a fixed metering device cheap? More copper and aluminum is required for the indoor coil when using a fixed metering device. One of the main reasons for using TXVs is to be able to save on coil capacity.

    Anyway; post the indoor air handler model so we can check to see if it is compatible.
    May want to go back and read up on TXV's robo. That's not their purpose. And you said we didn't know what we're talking about. HA HA HA
    "If you can't fix it, don't break it."

  8. #8
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,865
    Originally posted by duct dr
    Originally posted by RoBoTeq
    Well, since no one knows what they are talking about so far, how about a model number of the indoor unit?

    Why is using a fixed metering device cheap? More copper and aluminum is required for the indoor coil when using a fixed metering device. One of the main reasons for using TXVs is to be able to save on coil capacity.

    Anyway; post the indoor air handler model so we can check to see if it is compatible.
    May want to go back and read up on TXV's robo. That's not their purpose. And you said we didn't know what we're talking about. HA HA HA
    You want to dispute what I stated with something more then a contradiction?

    While TXVs control superheat which allows systems to operate more evenly under various loads and outdoor temperatures, they also make it so the manufacturers can save money by using smaller coils. Always follow the money when figuring out why manufacturers do anything.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  9. #9
    Join Date
    Feb 2006
    Location
    pittsburgh pa
    Posts
    85
    you tell him DR. i've always said " the man who calls another man dumb is generally dumb himself"

  10. #10
    Join Date
    Feb 2006
    Location
    pittsburgh pa
    Posts
    85
    [QUOTE]Originally posted by RoBoTeq
    Originally posted by duct dr
    Originally posted by RoBoTeq
    Well, since no one knows what they are talking about so far, how about a model number of the indoor unit?

    Why is using a fixed metering device cheap? More copper and aluminum is required for the indoor coil when using a fixed metering device. One of the main reasons for using TXVs is to be able to save on coil capacity.

    Anyway; post the indoor air handler model so we can check to see if it is compatible.
    May want to go back and read up on TXV's robo. That's not their purpose. And you said we didn't know what we're talking about. HA HA HA
    You want to dispute what I stated with something more then a contradiction?

    While TXVs control superheat which allows systems to operate more evenly under various loads and outdoor temperatures, they also make it so the manufacturers can save money by using smaller coils. Always follow the money when figuring out why manufacturers do anything.
    [/QUOTE

    they don't do it to save money jacka** they do it because many housholds have low basements and would have a problem with the large coils

  11. #11
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,865
    Originally posted by mistercrusher
    you tell him DR. i've always said " the man who calls another man dumb is generally dumb himself"
    I didn't think anyone was dumb...until now. I still have not seen anything correctly posted by dr. duct.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  12. #12
    Join Date
    Feb 2005
    Location
    Alabama
    Posts
    534
    Then explain to me why my 3 ton coil is the same size with or without a TXV.

    By the way, your website doesn't work either.

    Now since I don't what I'm talking about, let me just say this. TXV's do not CONTROL superheat, they maintain a constant superheat allowing systems to operate more efficiently, not evenly.

    [Edited by duct dr on 03-14-2006 at 09:48 PM]
    "If you can't fix it, don't break it."

  13. #13
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,865
    My website works fine, its the link from this forum that doesn't work.

    And you just reiterated the same thing I said about a TXV while claiming that I am wrong.

    There is nothing wrong with either way of metering. My annoyance with your posts is that you are making false claims about certain metering techniques based on no factual data. If you don't care for a particular brand, that is your business. But if you make up stuff to make yourself sound like you know why you don't like a particular brand, be prepared to be corrected.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


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