How To Install Roof Ventilation Fan

Photos 1 6 show how it s done.

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. But before you cut any holes plan the locations of the attic vents. You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications.

Then cut out the circle with a reciprocating saw and mount the fan over the cutout using a drill. When the fan is securely mounted carry it over to the vent and nail. Adding attic vents is a simple matter of cutting holes and installing vents. 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. 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. To save time use an existing roof or gable vent to install your new attic fan. See below for a shopping list and tools subscribe.

Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an. A powered exhaust vent is much like a roof mounted exhaust fan. Even if your roof already has ridge vents and plenty of ventilation built in it s a good idea to install gable fans or roof fans to help blow hot humid air out of the attic.

On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation.

It can be controlled by a thermostat or moisture monitor.