Bathroom Exhaust Vent Terminates In Attic

It has the same temperature as the outside which in winter across the northern us will be below freezing.

Bathroom exhaust vent terminates in attic.

Surprisingly bathroom fans are not required by some building codes. So what you want to do is you want to install a duct a vent duct and you can use flex duct for this. This point where the vent terminates and discharges the bathroom air should be checked for damage and to see that the air is actually exhausting properly. It seems like such an easy solution just leave a bathroom vent hose in an 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. You should never exhaust the bathroom fan directly into the attic. Example model ventilation codes. Exhaust air from toilet rooms and bathrooms shall not discharge into attic crawl space or other areas inside building.

A vent fan evacuates warm and usually very humid air from your bathroom or kitchen you re most often venting steam from a shower or from boiling pots pans. 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. Although this isn t always possible in attic crawl spaces you should always insulate the duct to prevent condensation problems. Options for venting a bathroom exhaust fan include best to worst.

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. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. The two most common locations for a bathroom vent to terminate is on top of the roof or through an exterior side wall.

Your attic is an enclosed cold zone. Bathroom exhaust fans perform an important function by removing excess moisture from your home. That it is not blocked or restricted. The exhaust vent must terminate outdoors.

Otherwise you re inviting a moisture mold rot insect problem in the building. That will take it from the bath exhaust fan to a discharge point. You can find 4 in. Duct already wrapped in insulation at home centers.

A lot of options. Bathroom code does address the issue of moving odor and moisture laden air from the bathroom to the outside. See bathroom vent duct termination for details about how to terminate the bath exhaust vent duct. No you should not vent a bathroom fan directly into an attic however you can vent a bathroom fan through an attic while it terminates on the roof or gable end.