Vent Outside - Those looking to slice corners sometimes vent a devotee to the attic. Specialists a recipe for trouble for the rafters and insulation of your own house. When the moist bathroom air hits the colder attic surfaces it must condense. You're just moving the mold issue over the bathroom to the attic, where it can rot the wood. Instead, extend the vent using the roof and install an exclusive bathroom fans reviews termination cap locate.