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  1. #1
    Join Date
    Mar 2007
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    Oklahoma City
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    Default Supply air to bedroom closets

    I did a 1986 home today that had abandoned all the floor ducts for overhead ducts and none of the closets had registers. Some were walk-in closets that were pretty good size. How big does a bedroom closet have to be before it requires a duct from the HVAC system?

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  2. #2
    Join Date
    Mar 2007
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    Philadelphia PA
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    Default Re: Supply air to bedroom closets

    I don't believe HVAC is required in any closets, as they are not considered "habitable".

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  3. #3
    Join Date
    Mar 2007
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    Default Re: Supply air to bedroom closets

    The reason I asked is that these closets were much hotter than the rooms and you can't leave the doors open because the closets had door activated light switches. The insulation in the attic was normal and most homes with large closets I see have registers. Thanks for the input.

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  4. #4
    Join Date
    Mar 2007
    Location
    Knoxville, TN
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    Default Re: Supply air to bedroom closets

    I bet there weren't any floor registers in them before.


  5. #5
    Join Date
    Mar 2007
    Location
    Oklahoma City
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    Default Re: Supply air to bedroom closets

    I did not pull the carpet and look. However, most of the homes around here have registers in the walk in closets whether they are floor or ceiling. Thanks for the info though. I was not sure if they were required or not. Now I know.

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  6. #6
    David Bell's Avatar
    David Bell Guest

    Default Re: Supply air to bedroom closets

    While walk-ins by definition are not considered habitable spaces, if they are large enough to change the heat loss/gain numbers considerably they should be heated/cooled. Walk-ins that abut outside walls of the home should at least be heated in cold climate areas.


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