Venting Bathroom Exhaust Fan Through Wall

No matter the location of the bathroom you can vent the exhaust fan through the wall.

Venting bathroom exhaust fan through wall.

I recommend that my clients vent their bath fans out a gable wall if at all possible when not using an hrv or erv that is. 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. Amazon s choice for through wall bathroom exhaust fan broan nutone 512m through the wall ventilation fan white square exhaust fan 6 0 sones 70 cfm 6 4 5 out of 5 stars 765. If you vent through a soffit where attic vents are often located the moisture will get sucked back up into the attic or roof venting.

There are really only three venting options. 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. The exhaust duct using solid metal steel in this case is routed through the ceiling out over the wall top down through a soffit or roof eaves overhang and then enclosed against pest entry. If your exterior siding is vinyl or fiber cement you will have an easier time cutting the hole.

Ductwork is what will connect the fan to the outside. If you vent through the roof condensation will drip back into the interior.