Installing An Attic Fan With A Ridge Vent

To save time use an existing roof or gable vent to install your new attic fan.

Installing an attic fan with a ridge vent.

It could reverse the natural flow of hot air out the ridge vent. By installing more roof vents such as a ridge vent you increase the possibility that most attic air will come from outside says tim carter a residential contractor in cincinnati. 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. 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.

It cooled as well or better than before. The thermostat is the box you ll use to control the attic fan. Once you re back in your attic look for a rafter that s close to your fan and screw the thermostat into it using the screws that came with the fan. A fan may actually suck air conditioned air from your home into the attic.

Combining an attic power vent fan with a ridge vent is usually not recommended because. If air is drawn in through the ridge vent while it s raining it might pull rainwater in with it which could lead to leaking or mold in the attic. Static vents often protrude from roofline thanks to. 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.

A couple of years down the road i had a new roof installed with ridge vents and continued to use the gable fan. Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent. Mount the fan thermostat to a nearby rafter inside your attic. If you have few vents in your attic most of the air will be drawn from inside the house.