Bathroom Vents Go To Attic Or Outside

Try to keep it close to the fan location.

Bathroom vents go to attic or outside.

No you cannot vent your bathroom exhaust fan into the attic. It cannot move air to a crawlspace or attic. It is never ok to vent directly into an attic even if the attic itself is vented. 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.

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. Start in the attic and drill a hole through the roof in the desired vent location. Options for venting a bathroom exhaust fan include best to worst. 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.

Through the roof or an exterior gable wall. Leave the drill bit sticking through the roof so you can find the hole. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Bathroom vents to attic or outside.

Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. You should never exhaust the bathroom fan directly into the attic. While this may seem obvious homeowners may out of convenience direct the vent into either of these locations. 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.

Bathroom vent fans must be vented to the out of doors. September 9 2020 by zamira leave a comment. Venting this fan into the attic is simply asking for problems.