Purpose Of Attic Fan

A powered attic ventilator has a different purpose.

Purpose of attic fan. This provides much needed ventilation and is a powerful addition to your hvac system. An electric attic fan or whole house fan is a valuable alternative to air conditioning if you don t want the expense of running your air conditioning unit all. What function does an attic fan serve. It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air.

Attic fans exhaust hot air from your attic to the outside. An attic fan is what it sounds like it s a fan installed on the ceiling of your attic. How an attic fan works. However the utility of attic ventilation fans is actually quite a controversial topic.

To operate windows in the house are opened and the fan is turned on. The downside of attic ventilation fans. A common question asked is what is the purpose of an attic fan attic fans are used to increase airflow and save you money on your electrical bill. Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature.

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. 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. Attic fans are typically used in warmer months when temperatures in an attic can exceed 120 f 49 c. An attic fan works as a ventilation unit.

The attic fills up with hot air and pushes the air down into the house raising its temperature. Outside air is then drawn in. Such fans are often called whole house 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.

A fan may be installed in an attic for the different purpose of cooling a whole house venting hot air out via the attic. But in homes without appropriate insulation and ventilation in the attic heat migrates. Good insulation reduces fan effectiveness. It works by drawing hot humid air out of your attic and pushing it outside.

An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. The fan is mounted in the floor of the attic sitting above a central hallway in the home. The following should provide you with more information on attic fans and why they are useful in homes.