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Thread: Bathroom ventilation

  1. #1

    Default Bathroom ventilation

    I have an apt in a old new york building. The airvent in the bathroom has no fan and goes to the roof. It is a duct which is shared by all apts on my line. Can I add a fan to this vent? (I realize I need electricity). I just am wondering if it is possible to retrofit a bath vent (broan, nutone, panasonic etc.) and what are the possible problems?


    dj

  2. #2
    Plumber Cass's Avatar
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    Default

    If you do , it is possible that the dynamics of the system could cause the odors and steam from your bathroom to be forced into a neighbors bathroom.

  3. #3
    Homeowner geniescience's Avatar
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    Default alternatives to a fan in the bath

    Water vapor rises, and hotter air rises, so the vent may be doing an adequate job all by itself. Are you unhappy with the rate at which steam disappears? Is your bathroom musty and moldy? Does steamy air get into the other rooms? What are you hoping to solve, fix or improve?

    When air leaves the room through this vent, make up air has to come from somewhere. When steamy air leaves, "new" air comes from some other room. This would be through the crack under the door and through other openings.

    If you want to get rid of the steam sooner, and not let part of it flow into other rooms after you open the door, think of how you can arrange for more make up air to come into the bathroom, somewhere low. Improving that flow will displace more steamy air more quickly. Bringing in the make up air at a low height helps keep the hot air moving upwards more smoothly as a separate layer, instead of diluting it.

    david

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