Installing Bathroom Exhaust Fan In Attic

Video tutorial on how to replace your bathroom exhaust fan in 5 minutes or less.

Installing bathroom exhaust fan in attic.

Small bath fans provide adequate bathroom ventilation for 79 sq ft. Look for the special fans starting at 160 at heating cooling equipment. Avoid venting through a soffit vent or ridge vent. To determine which size fan to buy for your bath multiply the room s square footage by 1 1.

Installing a bathroom fan with no attic is not much different from any other fan installation. What is important is that the fan does its job of removing excess moisture that can lead to a multitude of problems from peeling paint to unhealthy mold and mildew. You mount a switch in each bathroom. Learn the secrets to running anew exhaust line through the outside wall install a fan and connect the ducting and electrical.

Options for venting a bathroom exhaust fan include best to worst. Now installing a bathroom fan in a home with an attic will be a little different than installing a fan in a home without an attic. Because the fan is in the attic you ll hardly hear it. I ve replaced lots of this style broan fan and they are very popular.

For bathroom over 100 sq ft use a large or exhaust fan to circulate the air. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. If you have access to the attic the fan can vent either through a gable wall or roof. The first step in figuring out how to install a bathroom fan is cutting a hole based on the size of the fan you need.

A single exhaust exits through the roof figure a. 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. It s just a matter of figuring out the best route for running the exhaust duct. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.

Bathroom vent fans are rated by how many cubic feet of air they can move in one minute known as the cfm rating. This system is quiet too. Bathroom exhaust fans perform an important function by removing excess moisture from your home. For instance if your home has an attic you can get to the fan from above.

When you replace a bathroom fan in a home with an attic the job will usually be a lot easier. The bathroom here is below an accessible attic so tom ran the exhaust duct across the attic and out a gable end.