This particular step will require a level of pinpoint accuracy from you because once there is a mistake the whole procedure goes.
Vent range hood through wall or roof.
Range hoods are typically vented using a special duct work that runs through a roof and less often through an exterior wall of your house.
This is why you need to install the range hood vent properly or you call a roofing contractor.
The holes are not just for the range hood but also drill one or two more holes for the electric wires too.
It is installed much like an exhaust fan and works by expelling the heat directly from the kitchen in a straight passageway.
A wall vent is the most common type of range hood vents and is ideal for most house based kitchen situations.
It is considered a little more expensive to vent your range hood through the roof than through the wall.
The range hood vent uses ducts that are made to run in the roof or walls.