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condensing furnace in attic

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Paul S_3
Paul S_3 Member Posts: 1,261
in Gas Heating
I have a few customers with 90 plus condensing furnaces in unconditioned attic spaces....a few of them have had problems with freeze ups the past 2 winters....question is it against any mechanical and /or fuel gas code to install these units in NYC?... thanks Paul S.....is myself wouldn't install these in a unconditioned attic for these obvious problems. Just want to have something definitive.
ASM Mechanical Company
Located in Staten Island NY
Servicing all 5 boroughs of NYC.
347-692-4777
ASMMECHANICALCORP@GMAIL.COM
ASMHVACNYC.COM
https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company

Comments

  • lchmb
    lchmb Member Posts: 2,997
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    install manual say's they cannot be installed in unconditioned space...That makes it against code...
    4Johnpipe
  • Paul S_3
    Paul S_3 Member Posts: 1,261
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    Thanks for response
    ASM Mechanical Company
    Located in Staten Island NY
    Servicing all 5 boroughs of NYC.
    347-692-4777
    ASMMECHANICALCORP@GMAIL.COM
    ASMHVACNYC.COM
    https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company
  • Tinman
    Tinman Member Posts: 2,808
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    In my neck of the woods (Chicago), in order to make a condensing furnace installation legit in an attic you have to build an insulated room around it, and provide heat to that room from an independent source.
    Steve Minnich
    4JohnpipeGordy
  • unclejohn
    unclejohn Member Posts: 1,833
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    I would not install condensing furnace in attic but from the Lennox installation manual...• When the furnace is installed in an unconditioned
    space, consider provisions required to prevent freezing
    of condensate drain system.

    Carrier...FROZEN AND BURST WATER PIPE HAZARD
    Failure to protect against the risk of freezing may result in
    property damage.
    Special precautions MUST be made if installing furnace in an
    area which may drop below freezing. This can cause improper
    operation or damage to equipment. If furnace environment
    has the potential of freezing, the drain trap and drain line must
    be protected. The use of accessory drain trap heaters, electric
    heat tape and/or RV antifreeze is recommended for these
    installations.
  • Empire_2
    Empire_2 Member Posts: 2,343
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    No problems here from all of the above. No! Not only that but voids ANY MFG. warranty.

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