How To Install A Rooftop Attic Fan

Whole house fans tend to have higher overall costs than attic ventilation fans.

How to install a rooftop attic fan.

Installing the shutter center the front of the automatic shutter over the vent hole make sure the shutter s. In attic mark location of solar powered vent between two roof rafters. On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500. 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.

Mount it as near to the roof ridge without it being visible from the front of the house. Install roof brackets and fall arrest system to roof. Drill a pilot hole through the roof where you want your fan to go. Use the main fuse box or circuit breaker box to shut it off.

Pricing for attic fan installation varies depending on fan type and its location. Cut shingles along circular outline with a utility knife. Turn off the electricity in your attic. Scribe outline of vent s flashing on roof using homemade dowel compass.

Draw a circle on the roof matching. That way you ll be able to tell where to cut out. Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove. Installing an attic fan on a roof 1.

Step 1 mount the vent as close to the center of the house as possible. 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.