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Thread: Ductless bathroom exhaust fan

  1. #1

    Default Ductless bathroom exhaust fan

    I just had a bathroom built in my basment and need to exhaust the fan to the outside however I was hoping to use a Broan or other ductless exhaust bathroom fan and was wondering if others have used this type of exhaust fan and does it work well and will it pass code in Maryland or else where.

    thanks for any advice.

    Shelby from Md.

  2. #2
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default fan

    "ductless" usually means it recirculates through a filter and if so, it will do nothing to remove humidity.

  3. #3
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    New England


    The only ductless version that might work is a through-the-wall unit. Just like the ductless stove vents, they are almost useless...don't extract any smells, moisture, and very little smoke and grease. Now, if you can blow it outside, you'll have much better results.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  4. #4
    Plumber jimbo's Avatar
    Join Date
    Aug 2004
    San Diego



    These help "clear the air" but if you have a tub or shower and no window, they will not meet the code.


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