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  1. #1

    Question Which is quieter, Rheem Modulating or Carrier Infinity 96?

    I'm getting bids on a 4 ton furnace that will be in a utility closet in a finished basement. I'm looking for the quietest possible unit. I'm looking to hear from owners/installers that have experience with the Rheem/Ruud modulating or the Carrier Infinity 96 (also marketed by Bryan, apparently) furnaces.

    I'm in Portland, Oregon with fairly mild winters. Should I assume that any two-stage or modulating furnace will be operating at a low speed, for the most part?

  2. #2
    Join Date
    May 2000
    Indianapolis, IN, USA
    I don't think you'd find issues with either IF properly sized and installed. Noise at the furnace for either will be minimal. Air noise would be a function of the duct design. If undersized, it will be noisy. If the ducts are properly sized and the furnace as well, they should be very quiet. The Mod will be quieter on its lowest setting than the 2 stage Infinity as it will be moving less air. If you compare to the new 3 stage Carrier, probably a tossup. Just be sure to get the Infinity control rather than use the boards timer logic.

  3. #3
    Join Date
    Nov 2007
    I can speak for the Infinity systems. I install them all the time an d they are very quiet. If everything is sized properly you will not have any problems at all. Of course you will the fan running but its not noisy

  4. #4
    Join Date
    Oct 2006
    So. NH
    I have a Rheem Mod, when it's on low you can stand right next to it and not notice it's running, on high it's still very quiet.

  5. #5
    Join Date
    Jan 2002
    I haven't heard a Rheem Mod. run but we have sold 78* Infinity systems this year and I know for a fact that they are Very quiet.
    Infinity systems:
    Michael C. 41
    Kelley J. 26
    Michael L. 11
    "Everyday above ground, is a good day".
    "But everyday that you have made a difference in someones life, may insure you stay above ground a little longer".<aircooled>

  6. #6
    Join Date
    Oct 2007
    BC, Canada
    The variable speed carrier is super quiet.

  7. #7
    Join Date
    Apr 2004
    I have a mod... Ticks my neighbor off when he comes over because he can feel the heat, he just cant hear it run. His is nothing like it, but it's an 80 with all of 3' of return.

  8. #8
    Join Date
    Dec 2002
    Toledo, Ohio, United States
    Twilli says Mod
    No Heat No Cool You need Action Fast

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