Attic Fan Use

Under eave vents are inexpensive to buy inexpensive to mount and provide a great way to exhaust the air.

Attic fan use.

Bountiful eave soffit ventilation space. The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference. During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure. Attic fans are typically used in warmer months when temperatures in an attic can exceed 120 f 49 c.

Most fans cannot keep up. Some can have manual switches while others use a thermostat to turn them on and off automatically. 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. Attic fans and whole house fans together can help with home ventilation but they serve different purposes.

Attic insulation that is less than r 19. Operating an attic fan is simple. How to use maintain an attic fan natural cooling. Hvac equipment in the attic that is well insulated and sealed.

An attic floor that is thoroughly air sealed. Opening windows on the lowest level. This air is then exhausted through the fan to the outside. Fresh air is pulled in from your soffits and or roof vent creating a draft through your attic.

An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. When combined however they form a perfect union. Ideally this will lower the high temperatures that have built up in your attic. A fan may be installed in an attic for the different purpose of cooling a whole house venting hot air out via the attic.

Turbine ventilators work great but strong winds can cause a downdraft and create static pressure which will destroy. Such fans are often called whole house fans. Open several windows in your home. Attic fans exhaust hot air from your attic 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. 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 come with different models.