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  1. #14
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,913
    No.

    A 2 stage unit provides little payback. But does increase comfort greatly.
    If you look only at performance numbers, you may inadvertantly pass up on comfort.

    With 2 stage units, many peple find they can set their stat 2 or more degrees higher in the summer, and feel cooler then they did with their single stage. This often saves more money then the operating cost calculators show.

    I haven't had a customer yet that had buyers remorse because they got a 2 stage system. I've had more then one, wonder if they shouldn't have gotten the 2 stage instead of the single stage they got.
    Usually after they hear from or visit a friend that has a 2 stage.
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  2. #15
    [QUOTE=beenthere;1941217]No.

    A 2 stage unit provides little payback. But does increase comfort greatly.
    If you look only at performance numbers, you may inadvertantly pass up on comfort.



    I understand. I will for sure get a 2 stage unit. I just find is almost crazy that the recommendations and advice varies greatly. Some have said never a 13 SEER, Some 18 SEER only, Some never over 14 SEER, I am not by any means any kind of expert in this area which is why I am looking for the advice. Just trying to find the right fit for my situation.

  3. #16
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,913
    I have talked customers out of 18 SEER systems. No real pay back in my area. And no improvement in comfort either.
    I do recommend 2 stage for many customers.

    I sell 2 stage on improved comfort ability, not on great savings.

    When ever you get a recommendation from someone. To get a what ever stage unit, what ever SEER unit.
    If they are recommending single stage, ask them if they have installed both single and 2 stage units. And what compliments, or complaints their customers had about the 2 stage systems, that they are recommending single stage.

    If they don't sell them, install them, or service them. Then they really don't have any feed back from customers that have properly sized and installed 2 stage systems.
    So they can't tell you about performance based on actual installed performance.
    They can only tell what they read or heard.

    If you have any friends, that have a properly sized and installed 2 stage system. Ask them if they think they should have gotten a single stage.

    Your house, your comfort, your money.

    Ask, and we'll answer if we can.
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  4. #17
    Join Date
    Jul 2008
    Location
    Richmond, Virginia
    Posts
    25
    Quote Originally Posted by beenthere View Post
    I have talked customers out of 18 SEER systems. No real pay back in my area. And no improvement in comfort either.
    I do recommend 2 stage for many customers.

    I sell 2 stage on improved comfort ability, not on great savings.

    When ever you get a recommendation from someone. To get a what ever stage unit, what ever SEER unit.
    If they are recommending single stage, ask them if they have installed both single and 2 stage units. And what compliments, or complaints their customers had about the 2 stage systems, that they are recommending single stage.

    If they don't sell them, install them, or service them. Then they really don't have any feed back from customers that have properly sized and installed 2 stage systems.
    So they can't tell you about performance based on actual installed performance.
    They can only tell what they read or heard.

    If you have any friends, that have a properly sized and installed 2 stage system. Ask them if they think they should have gotten a single stage.

    Your house, your comfort, your money.

    Ask, and we'll answer if we can.
    beenthere: Very practical and comprehensive answer, as usual....question, is a variable speed air handler required to have a 2 stage compressor? (I've got a feeling that this could be a stupid question but I am asking anyway)

  5. #18
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,913
    In "my opinion", you shouldn't install a 2 stage without a VS blower.

    I have done it. <hangs head low>
    And they don't remove the humidity as well, and it never seemed to save any money in operating cost.
    As far as I can tell, what electric was saved by the compressor being in first stage for long periods of time, was pretty much used up by the PSC blower motor using more electric having to run longer.

    I don't believe you can remove as much humidity with a standard blower in a standard 2 stage application.
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  6. #19
    Join Date
    Jun 2007
    Location
    The Twilight Zone
    Posts
    2,964
    Quote Originally Posted by gonefishin View Post
    I understand. I will for sure get a 2 stage unit. I just find is almost crazy that the recommendations and advice varies greatly. Some have said never a 13 SEER, Some 18 SEER only, Some never over 14 SEER, I am not by any means any kind of expert in this area which is why I am looking for the advice. Just trying to find the right fit for my situation.
    Just make sure whichever SEER system you get, you want a 12 EER, 9 HSPF, and full heating btu's at the 47F rating temp.

    Remember that you are getting a heat pump. Different animal than straight a/c.

    Good luck.

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