Bathroom Exhaust Fan Venting In Attic

The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

Bathroom exhaust fan venting in 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. No you should not vent a bathroom fan directly into an attic. Bathroom ventilation codes require a bathroom exhaust fan to vent to the exterior not the attic for health and structural reasons. No you cannot vent your bathroom exhaust fan into the attic.

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. Through the roof or an exterior gable wall. Duct already wrapped in insulation at home centers. You can find 4 in.

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. 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. Although this isn t always possible in attic crawl spaces you should always insulate the duct to prevent condensation problems. Let me tell you.

Options for venting a bathroom exhaust fan include best to worst. You should never exhaust the bathroom fan directly into the attic. It s all outdoor air anyways right. Bathroom fan vent code requirements include no venting to attic areas to help reduce mold or structural problems.