Exhaust Fan Into Roof Space

No you cannot vent the bathroom exhaust fan into the soffit vents. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. It is because of this that many builders tend to advise against this method.

garage door repair arlington ecran mat definition garage door repair knoxville edmund lion witch wardrobe book epoxy flooring miami garage door repair marinette wi espresso dining room bench garage door photo eye alignment

Roof Ventilation An Easy To Read Guide From Universal Fans

Venting A Bathroom Fan Into An Attic My Detailed Guide Home Inspector Secrets

Roof Ventilation Exhaust Fans Universal Fans Australia

Five Reasons Why Roof Ventilation Is Essential For Your Homes Health Roof Ventilation Whirlybirds Australia

Kitchen Exhaust Fan Ceiling Roof Mounted Fans Pure Ventilation

Venting Exhaust Fans Through The Roof Exhaust Fan Through The Roof Roof

No it s never a good idea to have any exhaust fan in your home dump all that hot moist air in your attic.

Exhaust fan into roof space.

It can cause you a lot of problems with mold and mildew forming on the underside of your rafters and decking as well as getting into your insulation. Hot air exhaust vents located at the peak of the roof allow hot air to escape. 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. Sometimes there s no choice but to do that especially in terrace homes where space is limited.

Certainly it is improper to terminate any exhaust vent directly into an attic or roof space. Several different ways you can move that hot air to the outside. Same thing with kitchen rangehoods. 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.

Also some readers have worried that discharging a bath exhaust vent down through a soffit will permit moisture to rise back up into the attic or roof space if the soffit and roof cavity are vented. Looking forward to moving out of a rental that has the kitchen rangehood vented into the wall cavity. As the air leaves it creates negative pressure behind it sucking in cool air from below into the soffits and creating a self repeating ventilation process. This involves running ductwork from the fan usually though an attic and out through the roof.

Having a new house built and have found that the bathroom exhaust fans vent into the ceiling space. Once inside the air heats up and rises higher ultimately exiting through venting at the roof s gables through ridge vents cut into the roof s apex or other vent holes in the roof. In order to accomplish this the roof has to have a hole cut in it. It may also violate a shingle warranty.

Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.