How To Install An Attic Gable Fan

You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications.

How to install an attic gable fan.

Mount fan image zoom mount a gable fan by driving screws through the mounting flanges into framing members. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation. Gable fans fit into the gable vent and can be set to operate only within. Installing a gable vent fan is a great way of keeping your attic cool during the heat of summer.

Attach to power image zoom shut off power to the circuit and run code approved cable to a nearby junction box. Those made for roof installations and those intended to be mounted in a gable wall. Even during the cooler months the fan can prevent the build up of humidity caused by heating systems. You re going to be mounting the.

Measure the distance between the studs on the left and right side of your vent. 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. There are two basic attic fan designs. Center the gable attic fan over the hole and attach the mounting brackets with screws.

Roof fans are mounted on plastic or sheetmetal bases that serve as flashing. 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. 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. Setting the fan on the plywood will ensure that the fan blades will not be obstructed by walls.

Use a tape measure to get an accurate. What you need step 1. To save time use an existing roof or gable vent to install your new attic fan. Installing an attic fan over a gable vent 1.