Install An Attic Vent Fan

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.

Install an attic vent fan.

Learn how easy it is to install an attic fan. Discover the difference between a attic fan and a whole house fan. Then shingle above and around the flashing just as you would for a standard roof vent or plumbing. Simply cut an opening in the roof typically near the peak and install the fan over the opening.

You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. Then we unbox and install an attic fan. Most homes already have some passive attic venting built in. Get the trade secrets from the jet fan man who has installed around 13 000 attic fans since 1983.

These run 100 to 300 each and installation costs around 100 units without a thermostat run between 80 and 100 you can buy a separate thermostat humidistat controller for 40 to 50 since attics account for up to 20 percent of the average cooling bill fans that. To install an attic fan over a gable vent in your attic trace the body of the fan onto a piece of plywood that s wide enough to mount on the studs on each side of the vent. 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. Most powered attic ventilators come with a thermostat which controls when the fan turns itself on.

Cool air enters the attic through soffit vents in the eaves. If your attic uses soffit vents at the bottom and gable vents at the top for ventilation having a gable vent fan drawing air into the attic would not be the best solution since it would tend to create positive pressure in the attic which could reverse the natural air flow that occurs when heat rises up through the soffit vents and out through the gable vents.