Installing An Attic Fan With A Ridge Vent

A few years ago i pulled out all the insulation and had the roof sprayed with foam closed up the gable vents and have saved a ton on heating and cooling costs.

Installing an attic fan with a ridge vent.

A couple of years down the road i had a new roof installed with ridge vents and continued to use the gable fan. Static vents often protrude from roofline thanks to. 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. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation.

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 you have few vents in your attic most of the air will be drawn from inside the house. Mount the fan thermostat to a nearby rafter inside your attic. It cooled as well or better than before.

You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. 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. Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent. To save time use an existing roof or gable vent to install your new attic fan.

The thermostat is the box you ll use to control the attic fan. 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. 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.