How To Vent Bathroom Exhaust Fan In Attic

For optimum performance locate it between.

How to vent bathroom exhaust fan in attic.

Duct already wrapped in insulation at home centers. In general you can try venting a bath vent fan down but the combination of down direction elbows and total run length may mean that it s ineffective. Measure the vent fan. Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan.

Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. No you cannot vent your bathroom exhaust fan into the attic. You should never exhaust the bathroom fan directly 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.

The manufacturer will give guidance on the total duct length permitted. Take a look at the installation manual for your fan brand and model. Through the roof or an exterior gable wall. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

Either way the vent will have to go directly to the outside and installed with a vent hood cover. 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.