Attic Air Circulation Fan

Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior.

Attic air circulation fan.

An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. That cuts cooling costs and prolongs shingle life. A gable mounted fan is a good choice for attic ventilation since the fan can usually be installed in an existing opening in the gable wall. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. Many homes already have some sort of gable vent since this type of attic ventilation has been the industry standard for many years. These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space. In the winter warm moist air seeps into the attic from the living space below.

Whole house fans powered attic fans. Attic fan ventilation attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside. For ease of installation this is the best option. In the summer good attic ventilation reduces heat buildup.