Bathroom Vents Go To Attic Or Outside

Options for venting a bathroom exhaust fan include best to worst.

Bathroom vents go to attic or outside. This section notes that air exhausted from the bathroom must be sent outdoors not indoors to the same residence or indoors to any other dwelling unit. While this may seem obvious homeowners may out of convenience direct the vent into either of these locations. No you cannot vent your bathroom exhaust fan into the attic. The excessive moisture will cause condensation on the roof members insulation and eventually cause mold.

Leave the drill bit sticking through the roof so you can find the hole. Through the roof or an exterior gable wall. Venting this fan into the attic is simply asking for problems. September 9 2020 by zamira leave a comment.

It cannot move air to a crawlspace or attic. Start in the attic and drill a hole through the roof in the desired vent location. So the simple correct answer is no. It may also violate a shingle warranty.

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. Dumping bathroom exhaust into an attic or under roof space invites costly mold contamination frost under the roof in freezing climates moisture damage to roof sheathing possibly even plywood delamination or rot roof failures and shorter roof shingle life. It is never ok to vent directly into an attic even if the attic itself is vented. Bathroom vent fans must be vented to the out of doors.

Bathroom exhaust fans building bathroom fan vents improperly placed bathroom fans and attic ventilation bathroom exhaust fan into the attic fan to vent two bathrooms. Bathroom vents to attic or outside. Try to keep it close to the fan location.