How To Install Bathroom Ceiling Fan

Make sure the ball is positioned properly and the tab on the mounting bracket ceiling plate aligns with the slot on the ball.

How to install bathroom ceiling fan. For a fan and light switch with existing wiring splice the white wires and connect the grounds securely with wire. If the mounting bracket ceiling plate has a hook to support the fan for wiring hang the fan on the hook. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.

Draw a mark on the bathroom ceiling where you d like to install the vent fan. If not you must cut around. This old house host kevin o connor works with electrician brian bergeron to install a ventilation fan in a bathroom.

Disconnect the existing wall switch and trace the outline of a new metal switch box onto the wall. A quiet fan has a sone rating between 5 and 1 5. Connect power to both switches through two pigtails spliced to the feed wire.

For optimum performance locate it between the shower and the toilet. Remove the existing fan leaving the old duct work and wiring. The lower the number the quieter the fan.

By contrast typical low cost bath fans range from 2 to more than 5 sones which you can easily hear in the next room. Climb into the attic and clear away any insulation from around the hole. A sone is a measure of loudness.

Turn off the electrical power to the circuit you ll be working on. Learn the secrets to running anew exhaust line through the outside wall install a fan and connect the ducting and electrical. Follow steps 3 10 of the new construction installation to complete.