Attic Fan Help Cool House

However the utility of attic ventilation fans is actually quite a controversial topic.

Attic fan help cool house.

A whole house fan can be run from early evening to early morning effectively cooling the structure of your home using the cool free outside air. Adding an attic fan can improve the airflow in your attic to keep it cool. Install an attic fan. It provides good attic ventilation in addition to whole house cooling.

Good insulation reduces fan effectiveness. The whole house fan is installed inside the attic between the living space and ceiling. A powered attic ventilator has a different purpose. 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.

The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof. My attic is ridiculously hot if i install a fan pull out hot air to help cool my attic will my ac work better right now it takes two to three hours to drop the house 4 degrees. In colder months attic fans can help you avoid damage caused by ice dams as well.

The fans cool the attic equalizing the temperature between the attic and outside of the home. 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. In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. When combined however they form a perfect union.

In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq. The downside of attic ventilation fans. It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air. 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.

An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. It helps to cool your home temperatures and the attic by approximately 30 degrees. Of vent for every 300 sq. 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 home.

Attic fans and whole house fans together can help with home ventilation but they serve different purposes.