How Your House Attic Fan Works

Intake vents located at the lowest part of the roof under the eaves allow cool.

How your house attic fan works.

The fan forces air into your attic purging the hot air out of the attic through the existing vents. Home our whole house fan will do an entire air exchange in 4 5 minutes. Do attic fans really work. Simultaneously negative pressure is created in the living area which helps to draw cooler air in through the windows.

A whole house fan is different than an attic fan. In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. Attic fans work on the principle of pushing out the attic s hot air and replacing it with cool air from outside. Additionally an improperly ventilated attic can lead to a buildup of moisture which can wreak havoc on drywall insulation and even structural components like joists studs and rafters.

They can help you save a lot of money on your energy bills as you may not have to use air conditioning if the weather isn t too hot. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. Firstly let s start off with clarifying the difference between a whole house fan and an attic fan. Attic fans come with different models.

Due to positive pressure air in the attic is pushed out through the vents or gables. Some can have manual switches while others use a thermostat to turn them on and off automatically. As hot air rises to the top fans push the hot air out and cool down the home by drawing in the fresh air. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. It provides good attic ventilation in addition to whole house cooling. The main work of an attic fan is to regulate the heat level of the attic by removing hot air out of the attic and pushing it outside providing needed ventilation. For homes or buildings with a whole house fan the hot air is pulled into the attic.

An attic gable fan is one way to help with the circulation of air in the attic. A whole house fan is typically installed in the. For example in a 2 000 sq. Attic fans are installed at the roof level of your home to regulate the heat level.

Because heat rises it tends to make attics the hottest part of the house. An attic fan is installed on the slanted.