How Does An Attic Fan Cool Down The Attic

Most fans cannot keep up.

How does an attic fan cool down the attic.

If the attic fan increases the comfort level of the house it may be worth it. 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. In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. As you know cold air settles and hot air rises.

An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. Adding an attic fan can improve the airflow in your attic to keep it cool. Good insulation reduces fan effectiveness. However the utility of attic ventilation fans is actually quite a controversial topic.

The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof. Install an attic fan. Powered attic ventilators are the worst way to try to keep your attic cool.

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. To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor. Whole house fans work on the principle of removing the hot and humid air out of the house. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.

Opening your automatic garage door will let cool air and a draft in. The downside of attic ventilation fans. Opening your attic access panel will draw that air into the attic and help to push the hot air up there. Then prop open the garage s attic access ladder by about 12 inches or enough to let a sizable draft enter your attic.

How an attic fan works. It helps to cool your home temperatures and the attic by approximately 30 degrees. An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.

The whole house fan is installed inside the attic between the living space and ceiling. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. Even though an attic exhaust fan can incrementally lower the temperature of a very hot attic using a fan does not stop the source radiant heat.