Best Way To Vent Bathroom Fan In Attic

Likewise kitchen fans should vent through vents in the roof moving moisture and odors from the interior to the exterior.

Best way to vent bathroom fan in attic.

The correct way to vent a bathroom fan through an attic is to terminate the vent either to the roof or to the gable wall. The moist air that s belched out by the fan can be sucked right up into the open soffit vents and be drawn into your attic. It is because of this that many builders tend to advise against this method. Either way the vent will have to go directly to the outside and installed with a vent hood cover.

How to install a bathroom vent fan. This involves running ductwork from the fan usually though an attic and out through the roof. 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. Bath vent fan installation building codes bath vent fan troubleshooting bath vent fan repair.

These stem vents should be properly connected to the bathroom ducts to ensure that moisture is traveling to the exterior not the attic space. 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. Bathroom vent exhausting in attic space. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.

For optimum performance locate it between the shower and the toilet. Draw a mark on the bathroom ceiling where you d like to install the vent fan. Locate the bath vent fan high in the bathroom high on an exterior wall when you can or on the ceiling where it can pick up steamy air from a bath shower. If you vent through the roof condensation will drip back into the interior.

I feel it s best to put bath exhaust fan vents through the roof. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. Hot air exhaust vents located at the peak of the roof allow hot air to escape. This article series explains why bathroom vent fans are needed and describes good bath vent fan choices necessary fan capacity and good bath vent fan and vent duct installation details.

In order to accomplish this the roof has to have a hole cut in it. 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. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.