Easy Way To Install Bathroom Fan

You can use the existing switch wires and ductwork.

Easy way to install bathroom fan.

For a fan and light switch with existing wiring splice the white wires and connect the grounds securely with wire. The installation is easiest if you re replacing an existing fan. In the bathroom insert the fan unit into the housing per the manufacturer s instructions. At this point you will strip the ends of the electrical wires and hard wire them into the unit.

Use the information below to select a fan. Measure the ceiling opening and determine if it is large enough to accommodate your new fan. Photo by keller keller photography. Typically either a bare wire or green wire will attach to the side of the metal housing for grounding a critical safety measure.

Connect the red wire to one switch terminal and the black wire to the other terminal. Install the decorative plastic grille by slipping its mounting wires into the available slots in the housing unit. Draw a mark on the bathroom ceiling where you d like to install the vent fan. Follow steps 3 10 of the new construction installation to complete.

Turn the power back on and test your new bathroom fan to make sure it s working. Fans are rated by cfms and sones. Switch off the power at the fuse box. This video shows how home renovation brothers dave and rich remove and install a bathroom exhaust fan.

Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. Connect power to both switches through two pigtails spliced to the feed wire. 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. For optimum performance locate it between the shower and the toilet.