After choosing the perfect place carefully start to install a bathroom vent through a wall at first measure the length and width of the fan accurately.
Installing bathroom fan vent through wall.
If you want to vent a bathroom fan through an exterior wall you will have to cut a 3 inch or 4 inch hole with a hole saw drill bit.
Drive nail through house wall from attic.
Wrap the joints with duct tape.
Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan.
Follow the steps described below to add a bathroom exhaust fan in the wall.
In this video this old house general contractor tom silva explains how to vent a bathroom fan.
Wall mounted vent fans are available though they re not as common as ceiling mounted models and may be more difficult to install especially if you have a brick veneer house.
Measure the vent fan.
Now take the maker and scale to draw the exact size on the ceiling wall.
There are ductless vent fans that use a charcoal filter to remove odors but they do not remove excess moisture which is the main purpose of a bathroom vent fan.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
For optimum performance locate it between.
Step 1 turn off electricity.
This will serve as a reference point for positioning the wall cap.
From outside use 4 inch hole saw to cut hole for wall cap.
Then write these measurements on a paper.
Installing a bathroom exhaust fan is a task which can be done yourself and requires only a few hours of your time.