Bathroom Exhaust Duct In Attic

Ceiling fans vent either into the attic or outside through the roof.

Bathroom exhaust duct in attic.

It cannot move air to a crawlspace or attic. Insulation problems will lead to other problems like the fan not being able to extract any humidity from the bathroom at all. See bathroom vent duct termination for details about how to terminate the bath exhaust vent duct. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.

If you have a bathroom with a separate enclosed toilet you ll also need an additional fan for that space. It is because of this that many builders tend to advise against this method. Exhaust air from toilet rooms and bathrooms shall not discharge into attic crawl space or other areas inside building. If you have two bathrooms that are close together and one has an exhaust fan and the other doesn t you might be wondering if you can tie a new exhaust duct into the existing one.

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. Another consideration to think about is the placement of your fan. This involves running ductwork from the fan usually though an attic and out through the roof.

It may also violate a shingle warranty. There are wall mount exhaust fans as well as ceiling exhaust fans. Bathroom exhaust fans perform an important function by removing excess moisture from your home. While this may seem obvious homeowners may out of convenience direct the vent into either of these locations.

No you cannot vent your bathroom exhaust fan into the attic. You should never exhaust the bathroom fan directly into the attic. T he result of the insulation problem around a bathroom exhaust fan is either water stains or mold near the vent of your bathroom. Keep calm if that happens to you.

Example model ventilation codes. One attic mounted fan for two bathrooms one in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms.