Attic Fan Use

A fan may be installed in an attic for the different purpose of cooling a whole house venting hot air out via the attic.

Attic fan use.

An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. Opening windows on the lowest level. Open several windows in your home. Bountiful eave soffit ventilation space.

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. Attic fans and whole house fans together can help with home ventilation but they serve different purposes. Most fans cannot keep up. In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house.

Fresh air is pulled in from your soffits and or roof vent creating a draft through your attic. Attic ventilation fans could be effective if your home has. Attic insulation that is less than r 19. Operating an attic fan is simple.

During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure. The main work of an attic fan is to regulate the heat level of the attic by removing hot air out of the attic and pushing it outside providing needed ventilation. Hvac equipment in the attic that is well insulated and sealed. Such fans are often called whole house fans.

When combined however they form a perfect union. Attic fans come with different models. Under eave vents are inexpensive to buy inexpensive to mount and provide a great way to exhaust the air. This air is then exhausted through the fan to the outside.

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. Turbine ventilators work great but strong winds can cause a downdraft and create static pressure which will destroy. Ideally this will lower the high temperatures that have built up in your attic. An attic floor that is thoroughly air sealed.

Attic fans exhaust hot air from your attic to the outside. How to use maintain an attic fan natural cooling. Some can have manual switches while others use a thermostat to turn them on and off automatically.