How To Install A Bathroom Fan Where One Does Not Exist

Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
How to install a bathroom fan where one does not exist. Climb into the attic and clear away any insulation from around the hole. Cut or push back the insulation leaving a 6 inch gap between the unit and insulation. Cut pieces of a 2 foot x 4 foot board to fit between the joists blocking off the fan from the insulation.
If necessary assemble the fan according to manufacturer instructions. Attach wood pieces with screws. Draw a mark on the bathroom ceiling where you d like to install the vent fan.
Remove the wiring panel or knockout from the fan housing with a flathead screwdriver. It is moist warm and can remain in that state for quite a while if there is no ventilation. For optimum performance locate it between the shower and the toilet.
On the main floor and above the lr is the master bedroom so i can t access the ceiling from above. Gather the white wires and cover them. A bathroom exhaust fan is one of the best ways to keep the humidity in your bathroom at a comfortable level and keep mold at bay.
Typically either a bare wire or green wire will attach to the side of the metal housing for grounding a critical safety measure. Is it better to install a bathroom vent fan in the shower or the middle of the bathroom. At this point you will strip the ends of the electrical wires and hard wire them into the unit.
In the bathroom insert the fan unit into the housing per the manufacturer s instructions. The next step in your bathroom fan installation is to attach the fan enclosure to the joist with screws. Run an electrical cable from the bathroom fan to the housing box in the ceiling.