Do Attic Fans Cool House

When an attic fan is operating during the hottest summer days the temperature in your attic can drop by as much as 50 degrees.

Do attic fans cool house.

Yes attic fans can make a difference. It provides good attic ventilation in addition to whole house cooling. Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature. Using the simple physics principle of air circulation it can draw in cool air while letting out the warm air.

It will offer you more benefits that include. Intake vents located at the lowest part of the roof under. Attic fans are critical because they are designed to cool off the attic providing relief to the unbearable temperatures of your home. As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in.

It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air with outdoor air. Adding an attic fan can improve the airflow in your attic to keep it cool. Generally speaking they can cool down a house in less than an hour. The whole house fan pulls air in from open windows and exhausts it through the attic and roof.

Once the house has cooled the fan can be turned off and the windows closed. A powered attic ventilator has a different purpose. They can provide a cooling effect that reduces temperature significantly in your house. Cool air in hot air out attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

The windows remain closed until the next evening to. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof. Do not use mechanical means electric attic fans. Note that they do not push air in the house but draw fresh air into the attic enabling your house to cool almost instantly.

To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor. Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etc check with a professional to determine what is appropriate for your home. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.