In Attic Bathroom Exhaust Fan

You ve now put the water right back up into the attic without realizing it.

In attic bathroom exhaust fan.

Most roof overhangs today have continuous soffit ventilation strips. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. Bath exhaust is almost always warm and this air will float up and into the soffit ventilation openings. The fan is able to accommodate anywhere from 1 200 to 1 800 square feet of attic space.

Each fan vents separately out the roof. It s all outdoor air anyways right. It s perfect for reducing cooling costs as it pulls fresh air from outside and expels warm attic air out through the exhaust vents. No it s never a good idea to have any exhaust fan in your home dump all that hot moist air in your attic.

Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms. No you cannot vent your bathroom exhaust fan into the attic. No you should not vent a bathroom fan directly into an attic.

Section 1203 4 2 1 of california s building code requires all bathrooms with a bathtub shower spa or similar fixtures to be ventilated by an exhaust fan. Bath exhaust is almost always warm and this air will float up and into the soffit ventilation openings. It seems like such an easy solution just leave a bathroom vent hose in an attic. However you can vent a bathroom fan through an attic while it terminates on the roof or gable end.

You ve now put the water right back up into the attic without realizing it. Each bathroom has its own exhaust fan. Just a year ago i saw the absolute best bath exhaust fan roof cap. In those areas ventilation in bathrooms is required but it can be from a window or fan your choice.

Air vent 18 inch dia electric gable vent fan courtesy of home depot. 2 moisture droplets dripping from the exhaust fan or ducting. It can cause you a lot of problems with mold and mildew forming on the underside of your rafters and decking as well as getting into your insulation. Condensate may also be dripping off the exterior surface of the vent duct in attic or crawl space.

Surprisingly bathroom fans are not required by some building codes. You should never exhaust the bathroom fan directly into the attic.