Heat Lamp and Fan in Bathroom Help

Discussion in 'Remodel Forum & Blog' started by Wilson, Jul 15, 2010.

  1. Wilson

    Wilson New Member

    Messages:
    1
    Location:
    Canada
    I want to put a heat lamp and fan combo into my bathroom basement. To save cutting more holes in my house would I be able to tie the vent duct into the dryer vent. The dryer duct vents outside through the joist that I want to put my fan.
    Last edited: Jul 15, 2010
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,153
    Location:
    New England
    Not a good idea. The duct would likely be undersized, when the dryer was running, it could flow into the bathroom as the backflow dampers on those things isn't the greatest. A dryer doesn't normally have a backflow preventer (damper), so the bathroom would try to vent through the dryer as well.
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