Bathroom Exhaust Fan To Attic

In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover.

Bathroom exhaust fan to attic. Draw a mark on the bathroom ceiling where you d like to install the vent fan. You should never exhaust the bathroom fan directly into the attic. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. It s also important to note that if you install a roof vent cover for a clothes dryer you must remove the metal screen because it will catch lint and may turn into a fire hazard.

Through the roof or an exterior gable wall. Each bathroom has its own exhaust fan. One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms. Each fan vents separately out the roof.

Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. Climb into the attic and clear away any insulation from around the hole. Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. 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.

A bird s nest in a bathroom vent will greatly reduce or eliminate the effectiveness of a bathroom exhaust fan. Both bathrooms are vented by a single in line fan that has one exhaust vent running through the roof. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. No you cannot vent your bathroom exhaust fan into the attic.

Avoid venting through a soffit vent or ridge vent. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. Options for venting a bathroom exhaust fan include best to worst.