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  1. 07-27-2008, 11:51 AM #1
    skstine1
    skstine1 is offline New Guest
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    Old air furnance with newer heatpump

    I have a 2400 sf house pluse 1200 sf finished basement. When I purchased the house 3 years ago, a new Carrier HP had been installed with the original 1988 furnace/electric backup.

    The furnace still works OK but its a matter of time.

    Should I look at a high efficency unit or go with a standard model?
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  2. 07-27-2008, 12:05 PM #2
    dash
    dash is offline Banned
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    Depends on your cost of gas,electric,and run hours for each.

    For sure look into a variable speed fan in the furnace.
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