Venting Exhaust Fans Into Attic

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Venting exhaust fans into attic.

Venting a bathroom exhaust fan into your attic is never a good idea here are three better options. You should never exhaust the bathroom fan directly into the 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. Either way the vent will have to go directly to the outside and installed with a vent hood cover.

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. Although this isn t always possible in attic crawl spaces you should always insulate the duct to prevent condensation problems. 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. Duct already wrapped in insulation at home centers.

No you cannot vent your bathroom exhaust fan into the attic. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Hot air exhaust vents located at the peak of the roof allow hot air to escape.