How To Install A Rooftop Attic Fan

Pricing for attic fan installation varies depending on fan type and its location.

How to install a rooftop attic fan.

In attic mark location of solar powered vent between two roof rafters. Drive nail through center of vent location. Installing an attic fan on a roof 1. 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.

Mount it as near to the roof ridge without it being visible from the front of the house. That way you ll be able to tell where to cut out. Install roof brackets and fall arrest system to roof. Use the main fuse box or circuit breaker box to shut it off.

Installing the shutter center the front of the automatic shutter over the vent hole make sure the shutter s. Drill a pilot hole through the roof where you want your fan to go. Turn off the electricity in your attic. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation.

A fan might be necessary if the construction of your house is such that you can t install a sufficient amount of roof or soffit venting or the attic has corners without enough circulation. Cut shingles along circular outline with a utility knife. On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500. Draw a circle on the roof matching.

Step 1 mount the vent as close to the center of the house as possible. Scribe outline of vent s flashing on roof using homemade dowel compass.