Ducting exhaust fans in bathroom remodel

Discussion in 'Remodel Forum & Blog' started by LLH, May 3, 2006.

  1. LLH

    LLH New Member

    Messages:
    2
    We are remodeling 2 bathrooms which are just separated by a wall. We are installing an exhaust fan in each room and are wondering if the ducting for each could be joined and share one outside vent?
  2. Lakee911

    Lakee911 I&C Engineer (mostly WWTP)

    Messages:
    1,328
    Location:
    Columbus, OH
    This is allowed, but make sure both units have the little one way flapper (check valve) in place. Wouldn't want to exhaust odorous air into the next room. :eek:

    If noise level is a concern, I wonder if the duct will carry sound between the rooms.

    I'm not sure if they make a wye fitting for the duct, a tee is available though.

    Jason
  3. LLH

    LLH New Member

    Messages:
    2
    Thanks for your help.
  4. finnegan

    finnegan New Member

    Messages:
    250
    Location:
    CT
    You might want to check out the inline vents that are designed to be mounted remotely and service mulitple bathrooms.
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