Whole House Fan Purpose

Whole house fans work by moving hot air out through gables or vents and drawing cooler air in.

Big fan ebay. Whole house fans provide excellent whole house cooling and good attic ventilation. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. Because whole house fans were cheaper than air conditioners and worked well they began being used in the 1950s primarily in the south.

A whole house fan is a type of fan commonly venting into a buildings attic designed to circulate air in a home or buildingit is sometimes confused with a powered attic ventilator which exhausts hot air from the attic to the outside through an opening in the roof or gable at a low velocity. Whole house fans therefore dont work very well when the outdoor temperature is much higher than the indoor temperature or when the outdoor humidity is high. A whole house fan serves the purpose of an exhaust system.

Unless you have a good home ventilation system in place you wont have any control over the airflow in your home. Proper home ventilation can help. It provides good attic ventilation in addition to whole house cooling.

Because whole house fans were cheaper than air conditioners and worked well they began being used in the 1950s primarily in the south. A whole house fan serves the purpose of an exhaust system. Many people confuse a whole house fan with an attic fan but the two accomplish different goals.

Using a whole house fan properly can lower heating and cooling costs reduce indoor allergens and freshen the atmosphere of your home.