Bathroom Exhaust Fan Venting In Attic

However you can vent a bathroom fan through an attic while it terminates on the roof or gable end.

Bathroom exhaust fan venting in attic.

No you cannot vent your bathroom exhaust fan into the attic. You should never exhaust the bathroom fan directly into the attic. One attic mounted fan for two bathrooms one in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms. Improperly ending a bathroom vent inside an attic can lead to unintended consequences and builders have stopped this bad practice many years ago.

Through the roof or an exterior gable wall. You can find 4 in. Options for venting a bathroom exhaust fan include best to worst. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

Let me tell you. Duct already wrapped in insulation at home centers. Bathroom ventilation codes require a bathroom exhaust fan to vent to the exterior not the attic for health and structural reasons. No you should not vent a bathroom fan directly into an attic.

If you have two bathrooms that are close together and one has an exhaust fan and the other doesn t you might be wondering if you can tie a new exhaust duct into the existing one. It seems like such an easy solution just leave a bathroom vent hose in an 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. 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.