Bathroom Exhaust Fan Attic Venting

Ventilation fans improve indoor air quality by venting moist air quickly outside which helps to control mold and mildew growth.

Bathroom exhaust fan attic venting.

Also the code numbering in your area may differ from those. 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. 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.

No you cannot vent the bathroom exhaust fan into the soffit vents. Ceiling fans vent either into the attic or outside through the roof. I would by lying if i told you that it will cause problems it may be totally fine. 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.

So you will need to check with your city or county planning and permitting department to find out code requirements regarding bathroom fans. In fact i have seen numerous houses that haven t yet had signs of mold with the bath fan venting incorrectly. One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms. Vent your bath and kitchen exhaust fans through the roof through a special roof hood.

To determine which size fan to buy for your bath multiply the room s square footage by 1 1. Bathroom vent fans are rated by how many cubic feet of air they can move in one minute known as the cfm rating. Broan nutone exhaust ventilation fans allow your home to exhale eliminating humidity odor and airborne particulates from your bathrooms closets mud room laundry work out space and more. Each fan vents separately out the roof.

Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. What is the bathroom exhaust fan venting code. There are wall mount exhaust fans as well as ceiling exhaust fans. The truth about attic bathroom venting.

Building code is a model code that each community can adopt and adapt according to its own needs. This involves running ductwork from the fan usually though an attic and out through the roof. The bathroom here is below an accessible attic so tom ran the exhaust duct across the attic and out a gable end. It eliminates the need for routing ductwork through the house and these fans usually dry the bathroom more quickly.

Each bathroom has its own exhaust fan. If you have two bathrooms that are close together and one has an exhaust fan and the other doesn t you might be. The lowdown on venting your bath fan into an attic is that it can be done but it should terminate on the outside. Another consideration to think about is the placement of your fan.

Options for venting a bathroom exhaust fan include best to worst.