Vent Kitchen Exhaust Fan Into Attic

This article shows the best way to vent a hood and exhaust fan that s above the stove when you have an interior wall with cabinets above.

Vent kitchen exhaust fan into attic. Venting this fan into the attic is simply asking for problems. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. The duct should be smooth and straight with as few bends as possible. We ll cover how to run an insulated duct sleeve through the attic and out the roof to get the best airflow.

The kitchen vent fan must exhaust directly to the outside not into an attic crawlspace or a space between floors. Attic condensation due to sloppy bath exhaust duration. Can you vent a bathroom exhaust fan into the soffit vents. The fan s installation instructions should specify the diameter of the duct.

Step 2 run the ducts. The excessive moisture will cause condensation on the roof members insulation and eventually cause mold. Bathroom exhaust fans perform an important function by removing excess moisture from your home. No you cannot vent the bathroom exhaust fan into the soffit vents.

Run duct work through the attic then attach the stove vent to a roof cap. Bathroom ventilation codes require a bathroom exhaust fan to vent to the exterior not the attic for health and structural reasons. Cover the hole that you are not using for exhaust and secure the hood to its. In either case do not vent into the wall or the attic.

Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. If you vent the bathroom exhaust fan to close to the soffit vents which are vented plates under your homes outer edge and roof your home the air can be sucked right back into the attic from the soffit. Small diameter ducts could trap grease creating a fire hazard. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.

The duct for your exhaust fan needs to be run to the outside of the house to remove the chance of a fire hazard. Your vent hood will have places available for either attic or wall exhaust. Ultra pro ventilation fan installation in an existing bathroom with danny lipford. Bathroom vent fans must be vented to the out of doors.

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 fan vent code requirements include no venting to attic areas to help reduce mold or structural problems. Options for venting a bathroom exhaust fan include best to worst. It is never ok to vent directly into an attic even if the attic itself is vented.