How Does An Attic Fan Work

Solar attic fans can be installed in just 15 minutes.

How does an attic fan work.

The whole house fan is installed inside the attic between the living space and ceiling. Once the solar powered attic fan is up on the roof the sun works its magic to power the fan. How whole house fans work. Whole house fans work on the principle of removing the hot and humid air out of the house.

These fans are designed to remove excess heat from your attic which in theory is supposed to lessen the load on the air conditioning in 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. It provides good attic ventilation in addition to whole house cooling. How an attic fan works.

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. Attic fans work on the principle of pushing out the attic s hot air and replacing it with cool air from outside. How does an attic fan work.

An attic fan pulls air into the attic from the outdoors using the soffit vents you should already have installed in the eaves. Of attic and expels hot air from the attic quickly replacing it with cooler air from outside. How does an attic fan work. 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.

Attic fans exhaust hot air from your attic to the outside. There are several different types of attic ventilation systems but most of them feature small vents soffit and gable which draw in cool air along with a primary fan that pushes air outside. Solar attic fans in. As the attic fan draws outdoor air into the attic it vents hot stale air out through attached dormers.

It helps to cool your home temperatures and the attic by approximately 30 degrees. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner. The basic principle of an attic fan is that it pushes hot air out of your attic space.