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exhaust fan vent to attic or outside?

12 years ago

We are having a new bathroom added to an existing room in our home. The contractor put the exhaust fan in but it is only venting to the attic. He says that is what he usually does and it's good enough. He went on to say when they are vented to the outside it is only run to the soffet which is designed to draw air into the attic pulling the moisture right back in anyway.

Any advice on code or the "right" way to vent the bathroom exhaust fan? It just doesn't feel right to be blowing on the moist air into my attic.

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NOVUS Building Services, LLC
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