Installing A Bathroom Fan

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

Installing a bathroom fan. 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. A quiet fan has a sone rating between 5 and 1 5. And under while medium bath fans work well for bathooms 70 to 100 sq ft.

You can use the existing switch wires and ductwork. Select the ventilation capacity of the fan that fits the size of your bathroom. Also it helps to get a fan that s the same size as your existing fan so you won t have to adjust the size of the ceiling hole.

By contrast typical low cost bath fans range from 2 to more than 5 sones which you can easily hear in the next room. Fans also have a sound rating measured in sones. The installation is easiest if you re replacing an existing fan.

To determine which size fan to buy for your bath multiply the room s square footage by 1 1. Simplify the installation process when installing a new bath fan with a new easy install model. Small bath fans provide adequate bathroom ventilation for 79 sq ft.

Here is the link to th. For bathroom over 100 sq ft use a large or exhaust fan to circulate the air. The lower the number the quieter the fan.

For example a 100 square foot bath would require a 110 cfm rated fan. Bathroom vent fans are rated by how many cubic feet of air they can move in one minute known as the cfm rating. Attach the vent point to the exit point then.