The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference.
Attic air circulation fan.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
That cuts cooling costs and prolongs shingle life.
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.
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 such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house.
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.
An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents.
Many homes already have some sort of gable vent since this type of attic ventilation has been the industry standard for many years.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
In the winter warm moist air seeps into the attic from the living space below.
In the summer good attic ventilation reduces heat buildup.