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  1. #1
    Join Date
    Oct 2005
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    MN
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    Trane Executive High Efficiency Furnace

    Any of you Trane guys know what the efficiency of this old Trane would be?

    It's a 1987 Trane Executive High Efficiency. Gas, Downflow.

  2. #2
    Join Date
    Feb 2004
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    Do you have a model #?

  3. #3
    Join Date
    Oct 2005
    Location
    MN
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    Model # BLD108F948B2

  4. #4
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
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    I can't seem to find any information on it. From the model number it looks like it has a 108,000 BTU/H heating capacity and a 4-ton blower, though I could be wrong. Some of the pros from here might recognize the brand or be able to give an educated guess on a high-efficiency furnace AFUEF from 1987. Good luck.

  5. #5
    Join Date
    Feb 2004
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    72.6%, 108000 btu, 4 ton blower

    Trane 1987 72.6 108000 BLD108F948B
    Trane 1984 72.6 108000 BLD108F948B
    Trane 1986 72.6 108000 BLD108F948B
    Trane 1985 72.6 108000 BLD108F948B

  6. #6
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
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    The professionals have access to that "elite" data. I don't know where they get it; care to share?

  7. #7
    Join Date
    Feb 2004
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    Sure, on the pro forum.

  8. #8
    Join Date
    Oct 2005
    Location
    MN
    Posts
    133
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    Thanks Guys!

    Frank

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