How Your Hous Attic Fan Works

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.

How your hous attic fan works.

Because whole house fans were cheaper than air conditioners and worked well they began being used in the 1950s primarily in the south. Attic fans exhaust hot air from your attic to the outside. The whole house fan is installed inside the attic between the living space and ceiling. However the utility of attic ventilation fans is actually quite a controversial topic.

Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. 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 what is appropriate for your. 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 homes or buildings with a whole house fan the hot air is pulled into the attic.

Whole house fans work on the principle of removing the hot and humid air out of the house. Many people confuse a whole house fan with an attic fan but the two accomplish different goals. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. It provides good attic ventilation in addition to whole house cooling.

An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. The downside of attic ventilation fans. It helps to cool your home temperatures and the attic by approximately 30 degrees. Good insulation reduces fan effectiveness.