Venting Exhaust Fans Into 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.

Venting exhaust fans into attic.

You can find 4 in. You should never exhaust the bathroom fan directly into the attic. Hot air exhaust vents located at the peak of the roof allow hot air to escape. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. Duct already wrapped in insulation at home centers. Either way the vent will have to go directly to the outside and installed with a vent hood cover.

No you cannot vent your bathroom exhaust fan into the 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. Although this isn t always possible in attic crawl spaces you should always insulate the duct to prevent condensation problems.