How To Install Exhaust Fan In First Floor Bathroom

Learn the secrets to running anew exhaust line through the outside wall install a fan and connect the ducting and electrical.

How to install exhaust fan in first floor bathroom.

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. It would appear to be easier to install a wall or floor fan and direct exhaust down and then out through basement wall just above ground. To install a bathroom fan go into your attic and clear away the insulation where the fan will go then return to the bathroom and use a jigsaw to cut out the hole for the fan.

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. Install the fan according the manufacturer s instructions and obtain flexible duct to vent a first floor bathroom. Fans also have a sound rating measured in sones. Bathroom exhaust fans perform an important function by removing excess moisture from your home.

1 determine which side of the building to route the vent duct from the exhaust fan. 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. However with the right bathroom exhaust fan it s not a pain like you may believe. Let s break down the process to assure you about that.

For example a 100 square foot bath would require a 110 cfm rated fan. Here is the link to th. Understanding the difference with installing on first floor. And under while medium bath fans work well for bathooms 70 to 100 sq ft.

Small bath fans provide adequate bathroom ventilation for 79 sq ft. For bathroom over 100 sq ft use a large or exhaust fan to circulate the air. I have read that moist air naturally rises so it is easier to vent up.