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  1. #14
    Join Date
    Apr 2007
    Posts
    623
    Quote Originally Posted by beenthere View Post
    Its for comfort.

    You don't get better efficiency from a mod. York has 95% efficiecnt 2 stage, and a 95% mod.
    The mod is just for increased comfort.
    What a mess, who would want an 80 mod. If a customer doesnt want to go 90+ I usually just recommend a 2-stage with variable blower.

  2. #15
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,913
    Quote Originally Posted by aintitfun View Post
    What a mess, who would want an 80 mod. If a customer doesnt want to go 90+ I usually just recommend a 2-stage with variable blower.
    Considering York/Luxaire is the first company offering a mod 80%. You couldn't recommend much better then a 2 stage VS until now.

    Apparently some people want them. Or this thread wouldn't have been started.
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  3. #16
    Join Date
    Jun 2008
    Location
    NE Illinois
    Posts
    78
    From the OP
    The other is for Goodman 80% single speed and he told me a "2 stage" is not available for me because I have a"down flow" furnace system.
    Ask him about the Goodman GCV9 series, it's a 93% Efficiency, 2-Stage Heat, Variable Speed Blower, Horizontal / Downflow.
    I have one in a downflow configuration.

  4. #17
    Join Date
    Jun 2008
    Location
    NE Illinois
    Posts
    78
    Is a "2 stage" the same as a "modulating"? Any suggestions or explanations?
    From what I read a modulating is like a two stage but with more stages. So of instead of having 2 selectible BTU outputs it may have 10 or more. That 80% efficiency number is a definite negative.

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