Exhaust Fan Venting Into Attic

As warm moist air moves through a fans vent system in the attic the duct often become cooler especially in the winter thus condensate may form and drip back down through the fan itself.

Exhaust fan venting into attic.

Apply asphalt roof. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. Condensate may also be dripping off the exterior surface of the vent duct in attic or crawl space. You should never exhaust the bathroom fan directly into the attic.

Either way the vent will have to go directly to the outside and installed with a vent hood cover. 2 moisture droplets dripping from the exhaust fan or ducting. Vent exhaust fans through a roof hood roof vent hood details. Venting a bathroom exhaust fan into your attic is never a good idea here are three better options.

Start in the attic and drill a hole through the roof in the desired vent location. 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. No you cannot vent your bathroom exhaust fan into the attic. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.

The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a.