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jray
Venting a bathroom exhaust fan

In his online TOH article on installing a bathroom exhaust fan, Tom Silva describes how to vent the fan outside under the soffit. But Tim Carter at askthebuilder.com strongly recommends venting up through the roof, and warns against potential moisture problems from venting under the soffit in any climate (moist exhaust can seep back into the attic and condense).

In my situation here in Minnesota, it would be easier to vent under the soffit. Should I be concerned about creating a moisture problem with this approach, or not?

Anonymous (not verified)
Re: Venting a bathroom exhaust fan

I think that in your area , it would be better to use the Soffit method . Winter snows will be an issue with the roof vent .

JLMCDANIEL
Re: Venting a bathroom exhaust fan

You might check this link for more discussion on this BATH VENT

I think we all agree that a soffit exit is bad.
Jack

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