If you have few vents in your attic most of the air will be drawn from inside the house.
Installing an attic fan with a ridge vent.
It could reverse the natural flow of hot air out the ridge vent.
Static vents often protrude from roofline thanks to.
Attic ventilation fans also tend to be quite energy efficient in terms of their own operation.
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.
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.
Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent.
A fan may actually suck air conditioned air from your home into the attic.
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.
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.
Combining an attic power vent fan with a ridge vent is usually not recommended because.
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.
To save time use an existing roof or gable vent to install your new attic fan.
A couple of years down the road i had a new roof installed with ridge vents and continued to use the gable fan.
You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications.
It cooled as well or better than before.