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  1. #1
    Join Date
    Nov 2005
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    I have a heat pump backed up by a gas furnace. I am replacing the furnace, and I have proposals for both 1 and 2 stage furnaces. With a heat pump in a duel fuel configuration, is a 1 stage preferable to a 2 stage furnace? I have heard that there can be overlap in the first stage and the heat pump (I live in Virginia).

  2. #2
    Join Date
    May 2004
    Rapid City, SD
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    Provided both furnaces are set up properly, the heat pump will never know if it's a 1 stage or 2 stage.

    I'd pick 2 stage for the many benifits they have over the single stage.

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