Those individuals who are installing a bathroom exhaust fan without attic access will want to first measure the hole in the ceiling to make sure your new fan will fit in.
Installing bathroom exhaust fan in attic.
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.
The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.
If you have access to the attic the fan can vent either through a gable wall or roof.
Avoid venting through a soffit vent or ridge vent.
It s just a matter of figuring out the best route for running the exhaust duct.
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Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.
Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.
To determine which size fan to buy for your bath multiply the room s square footage by 1 1.
If the hole is too small then you ll need to increase the dimensions.
The bathroom here is below an accessible attic so tom ran the exhaust duct across the attic and out a gable end.
Learn the secrets to running anew exhaust line through the outside wall install a fan and connect the ducting and electrical.
Installing a bathroom exhaust fan with attic access image of and closet.
Avoid venting through a soffit vent or ridge vent.
Bathroom exhaust fans perform an important function by removing excess moisture from your home.
I ve replaced lots of this style broan fan and they are very popular.
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If you have access to the attic the fan can vent either through a gable wall or roof.
The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.
Installing a bathroom fan without attic access.
The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.
What is important is that the fan does its job of removing excess moisture that can lead to a multitude of problems from peeling paint to unhealthy mold and mildew.
Video tutorial on how to replace your bathroom exhaust fan in 5 minutes or less.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.