Bath Fan Vents To Attic

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

Bath fan vents to attic.

But while you can t have two fans with one vent you can make one fan and one vent serve two bathrooms. The truth about attic bathroom venting. Can you vent a bathroom exhaust fan into the soffit vents. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.

The lowdown on venting your bath fan into an attic is that it can be done but it should terminate on the outside. A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. If you vent the bathroom exhaust fan to close to the soffit vents which are vented plates under your homes outer edge and roof your home the air can be sucked right back into the attic from the soffit.

Options for venting a bathroom exhaust fan include best to worst. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. 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. Bathroom exhaust fans perform an important function by removing excess moisture from your home.

Vent your bath and kitchen exhaust fans through the roof through a special roof hood. In fact i have seen numerous houses that haven t yet had signs of mold with the bath fan venting incorrectly. I would by lying if i told you that it will cause problems it may be totally fine.