Solving this problem calls for some construction creativity smart product selection and the installation skills of an experienced hvac contractor.
Vent bathroom fan out of attic.
This involves running ductwork from the fan usually though an attic and out through the roof.
Bathroom exhaust fans perform an important function by removing excess moisture from your home.
As it turns out there are many situations that can make it difficult to install a bathroom fan that vents to the exterior.
Splashing on the floor beading up on the walls dripping down the mirror.
I ve replaced lots of this style broan fan and they are very popular.
Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.
Video tutorial on how to replace your bathroom exhaust fan in 5 minutes or less.
When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form.
And there is one other invisible place where you will find water in the bathroom.
Water is everywhere in a bathroom.
If you have two bathrooms that are close together and one has an exhaust fan and the other doesn t you might be.
Each fan vents separately out the roof.
For example an 8 x 5 bathroom would require a 40 cfm exhaust fan.
In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover.
No you cannot vent your bathroom exhaust fan into the attic.
The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.
One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms.
Bath exhaust fans are about keeping your house in top shape by moving water out of your bathroom.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space.
As a rule of thumb most bathroom air movement capacity rates will work out to be one cfm per square foot of bathroom area.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
It eliminates the need for routing ductwork through the house and these fans usually dry the bathroom more quickly.