However in order to make the turns necessary to penetrate the ceiling enter the attic and then descend through the soffit ductwork must make some tortuous bends.
Vent through roof or soffit.
When a vent terminates directly below a window door or air intake it must be.
This reduces the efficiency of the vent and may trap heat or moisture in the elbows.
For most homes the most popular and a better looking roof vent option is a soffit vent.
One of the most used or popular roof vents is a turbine vent that has spinning tops.
Add soffit venting first.
Butt a cardboard template against the fascia and mark your soffit hole locations to begin soffit vent installation.
Steve is on to something importent there.
Vent these fans through the roof or soffit.
A soffit vent is a type of roof vent.
Turbine or rotary vents are often seen in industrial buildings commercial spots or restaurants.
I have gotten mixed opinions on whether to vent the new fan through the roof or through the soffit eave.
And given the expectations for soffit venting and roof venting these days if an attic space is properly vented it would almost for sure preclude the soffit venting of any exhaust.
Not a good thing.
Mark holes for soffit venting.
A vent through the roof must terminate a minimum of 6 inches above the roof surface or 6 inches above any anticipated snow accumulation.
Vents through walls have to terminate at least 10 feet above the ground or adjacent surface but cannot be below a vented soffit.
They are usually easy to remove and cut holes through.
Why not run vents through the soffit.
Make the vent hole 1 2 in.
I am getting a new roof installed and tear off and likely a lot of plywood and am simultaneously getting a new bath vent fan.
If an exhaust vent is too close to an intake some of that moist warm air is headed in to the attic.