Attic Vent Fan Pros And Cons

Without the presence of a fan and venting an attic may not be as usable as it could be.

Attic vent fan pros and cons.

It s possible to lower the cost of keeping your home comfortable with attic ventilation. Keeping your home comfortable is expensive both in summer s heat and winter s cold. While they generally help exhaust superheated air from your attic there is a risk they pull air conditioned air from your home. Even during the colder months of the year hot air rises to become trapped in this enclosed area.

The purpose of an attic fan is to vent warm air from the house through the attic and replace it with cooler outside air. The pros and cons of attic fans september 09 2019 by. Outside air is pulled through roof and soffit 1 vents keeping the attic cooler. In some cases attic temperatures will soar above 120 degrees fahrenheit.

Here are the pros and cons of ventilating your attic and how to determine what is right for your home. If there isn t enough venting in the attic for the attic fan to pull air from it will start pulling air from the home s interior through the wall cavities and drywall ceilings. Attic fans are more energy. The best time to run an attic fan therefore is in the evening after the sun sets and ideally when the temperature outside is below 70 f.

Benefits of ventilation in your attic. The attic fans needs to have a minimum amount of makeup air or intake air which is the vent area that the attic fan pulls air from. Summer temperatures range near 90 degrees in atlanta but the temperature on a roof and inside an attic can go much higher. An attic fan is installed in the attic and blows hot air out through a roof level or gable vent.