Bathroom Exhaust Fan Installation Attic

Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.

Bathroom exhaust fan installation attic.

Ceiling mounted fans typically use ducts hidden in the walls ceiling or attic to reach a safe exit point on the roof or a wall. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. No you cannot vent your bathroom exhaust fan into the attic. Avoid venting through a soffit vent or ridge vent.

Exhaust fan installation installing an exhaust fan requires electrical connections and ventilation to the exterior of your home. Through the roof or an exterior gable wall. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form.

Mark the ceiling back in the bathroom measure the inside dimensions of the vent fan s intake port to determine what size hole you need. Options for venting a bathroom exhaust fan include best to worst. Exhaust fans mounted on an exterior wall vent directly outside without any ductwork. You should never exhaust the bathroom fan directly into the attic.