To save time use an existing roof or gable vent to install your new attic fan.
How to install roof mount attic fan.
Drill the screws that came with the fan through the screw holes on the fan s mounting bracket and into the plywood.
However if you are mounting 1 the vent or fan on your roof or if you are installing an electric or solar powered fan you will need to hire a professional installer to do the job.
Those made for roof installations and those intended to be mounted in a gable wall.
Roofers are the most qualified to install attic fans mounted 1 on your roof line.
This way you don t have to cut a brand new hole but simply make the hole for the vent larger so it can accommodate the fan.
Lay the plywood on a flat surface and line the fan up over the hole you cut out.
You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications.
Do it yourself attic fan installation instructions.
There are two basic attic fan designs.