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  1. #1
    Join Date
    Oct 2005
    Omaha, NE

    Thanks to everyone who helped me yesterday with my Tempstar furnaces.

    House Built in 1991.
    * 1st Floor + Basement: 1991 TEMPSTAR Gas Furnace 120K BTU
    * 2nd Floor: 1991 TEMPSTAR Gas Furnace 100K BTU

    Furnace NUGI100DH03, Serial L904166400

    The Questions are (I could not get this from Tempstar website

    1. Heat Exchanger Warrnaty: is it 10 yr or 20 yr wanrraty?

    2. Efficiency of this furnace (with nat. gas price going up I am worried), is it 70%, 75% or 80%?

    Does anyone know? TIA.

    Omaha NE

  2. #2
    The NUGI is a natural draft furnace.

    Would be in the 70-78% range.

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