Can You Exhaust Bath Fan Into Attic

Ductwork is what will connect the fan to the outside.

Can you exhaust bath fan into attic.

No matter the location of the bathroom you can vent the exhaust fan through the wall. This setup requires an in line centrifugal fan mounted in the attic drawing air simultaneously from both. Before you can start replacing your old bathroom fan you ll need to determine what the fan size is. You d often blow air from one bathroom into the other and local building inspectors wouldn t approve it.

It needs to exhaust to the exterior. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. Surprisingly bathroom fans are not required by some building codes. In no case is it acceptable to just dump any exhaust fan directly into an attic.

Bathroom exhaust fans perform an important function by removing excess moisture from your home. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. On 2020 02 26 by anonymous. But while you can t have two fans with one vent you can make one fan and one vent serve two bathrooms.

Options for venting a bathroom exhaust fan include best to worst. There aren t many options for routing an exhaust fan to the outside of the house. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. All the moisture from your bathroom will be discharged into the garage.

No you should not vent a bathroom fan directly into an attic however you can vent a bathroom fan through an attic while it terminates on the roof or gable end. There are really only three venting options. If you re simply replacing the fan the ducts should already be set up for you. Can i vent a bathroom fan into my attic.

After a while all that moisture will condense on this equipment and this is a recipe for disaster. It seems like such an easy solution just leave a bathroom vent hose in an attic. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. No you cannot vent your bathroom exhaust fan into the attic.

The exhaust needs to vent outdoors. In those areas ventilation in bathrooms is required but it can be from a window or fan your choice. Allowing the exhaust to vent into your attic can potentially cause several moisture problems. You should never exhaust the bathroom fan directly 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.