How To Install Roof Ventilation Fan

Then cut out the circle with a reciprocating saw and mount the fan over the cutout using a drill.

How to install roof ventilation fan.

Whole house fans tend to have higher overall costs than attic ventilation fans. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Adding attic vents is a simple matter of cutting holes and installing vents. Photos 1 6 show how it s done.

Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. Pricing for attic fan installation varies depending on fan type and its location. Vent your bath and kitchen exhaust fans through the roof through a special roof hood. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an. To save time use an existing roof or gable vent to install your new attic fan. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. It can be controlled by a thermostat or moisture monitor.

See below for a shopping list and tools subscribe. You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.

But before you cut any holes plan the locations of the attic vents. A powered exhaust vent is much like a roof mounted exhaust fan. Blades spin within the unit to expel air from the attic until the right temperature or moisture level is reached at which point it will automatically shut off. This way you don t have to cut a brand new hole but simply make the hole for the vent larger so it can accommodate the fan.

When the fan is securely mounted carry it over to the vent and nail.