How To Vent An Exhaust Fan Through Existing Attic Vent

Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.

How to vent an exhaust fan through existing attic vent.

Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside. In order to accomplish this the roof has to have a hole cut in it. Remove the knockout hole on the side of the fan s housing and attach a cable connector. But you can install one fan in your attic for both bathrooms and make your bathroom quieter too.

Choosing a whole house fan. It is because of this that many builders tend to advise against this method. Set the vent fan down into place between the joists centered on the ceiling hole. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. Nail the lower corners with roofing nails and tar the heads. Through the roof or an exterior gable wall. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out.

Unlike fabric duct tape it won t deteriorate over time. Slide the four metal brackets into the tabs protruding from the sides of the vent fan. 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. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover.

The lower half of the flange sits on top of the shingles. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. Use foil duct tape. Options for venting a bathroom exhaust fan include best to worst.

By the diy experts of the family handyman magazine. Venting two bathroom exhaust fans through one roof duct won t work sorry to say. You should never exhaust the bathroom fan directly into the attic. Slide the vent under the shingles so they cover the top half of the vent flange.