Installing Bathroom Fan Vent

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

Installing bathroom fan vent.

Bathroom exhaust fans perform an important function by removing excess moisture from your home. Some installers particularly in hotels or rental units hard wire the bath exhaust vent fan to force it on when the bathroom ceiling light is on thus assuring that the vent fan is in fact used. Draw a mark on the bathroom ceiling where you d like to install the vent fan. If you don t have a duct leading to a sidewall vent call a professional for help.

Typically the bathroom vent fan motor is powered by the bathroom ceiling light fixture circuit. Lower the fan into place and secure it with drywall screws then use flexible duct pipes to vent the fan to the outside. Small bath fans provide adequate bathroom ventilation for 79 sq ft. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.

And under while medium bath fans work well for bathooms 70 to 100 sq ft. Options for venting a bathroom exhaust fan include best to worst. 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. Use an in line fan to vent two bathrooms.

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. Gently pry up the shingles around the hole making room for the vent to slide under the first course. Here is the link to th. 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.

If the fan isn t accessible through an attic you ll need to vent through a sidewall of your house. For bathroom over 100 sq ft use a large or exhaust fan to circulate the air. Remove the asphalt shingles with a hook blade fitted into a utility knife. These types of ducts and vents are typically installed when the house is built.