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  1. #1
    Join Date
    Oct 2005
    Posts
    1
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    Hmm

    I live in a poorly insulated older house in eastern Virginia. I'd like to replace my window unit AC and Empire gas wall furnace with a mini-split heat pump and a Rinnai 556 to back it up when the temperature gets below 30F. Any potential problems with using them in combo? Ground floor is only about 550 sq. ft. Thanks.

  2. #2
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,792
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    sanyo makes or made at one time a heat pump that had a gas fired outdoor section. never saw one but it sounded like a good idea. might want to check on that. not sure of model gas heater but if unvented i would not use, hate unvented heaters and fireplaces.

  3. #3
    Join Date
    Feb 2003
    Posts
    1,996
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    I hope the Rinnai is direct vent. I don't think Sanyo offers that model anymore, it's off their web site.

  4. #4
    Join Date
    Oct 2005
    Posts
    8
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    gas fired outdoor section, how did that work?

  5. #5
    Join Date
    Feb 2003
    Posts
    1,996
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    The outdoor condenser had a gas ribbon burner to heat the unit so that the heat pump continued to work well below freezing. Guess it's kind of wasteful using both electric and gas while loosing BTU's to the great outdoors. But it keep the exhaust outdoors, like a package unit.

  6. #6
    Join Date
    Jan 2005
    Location
    Perth - Western Australia
    Posts
    775
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    i`m in your area, call me for a consultation, 804-437-8994
    we can show you how to reduce your energy cost & be comfortable

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