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  1. #1
    Join Date
    Jul 2006
    Posts
    151

    Fresh air intake in garage?

    I live in NC. If a furnace is located in a garage area, is a fresh air intake required? The furnace is a 90% if that matters.

    While I was getting estimates, one of the contractors said a fresh air intake was needed. But I think he was the only one that said that.

    The installing company will be pulling permits and all that, so I assume it will be done to code, but I was just curious.

    Thanks.
    Bill M.

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,704
    Yes.
    Combustion air requirements would most likely exceed your garage CF.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  3. #3
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,699
    if it is a 90% pulling outdoor air for combustion it would not need air vents into heater area.

    unless they were talking about fresh air tied into the return ducts for the house...

  4. #4
    Join Date
    Jun 2007
    Location
    Round Rock
    Posts
    3,513
    We ran into this issue a few years ago with the city. The garage was very sealed as were the closet doors. The builder had a very tight and expensive garage door which really let zero air in. He had sealed the closet doors very well also. (Very expensive house) If they are pulling permits, they will give you "direction." If you are using a 90 furnace, it shouldn't be that big of a deal to run the combustion side pvc pipe outside. You will be running the flue out. Just follow it out and have them put the concentric pipe on it.

  5. #5
    Join Date
    Jul 2006
    Posts
    151
    Thanks for the help.

    My install is scheduled for this coming Wednesday. I hope everything goes well.

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