Whole House Attic Fan Efficiency

Solar gable attic fan.

Whole house attic fan efficiency.

A whole house fan is a large fan usually installed into your ceiling that pulls air from inside the house and exhausts it into the attic. The whole house fan pulls the warm air from the living rooms into the attic and fresh air is drawn in through open doors and windows. Quietcool 5003 cfm energy saver advanced whole house fan the quietcool es 5400 advanced whole house the quietcool es 5400 advanced whole house fan is a new take on the idea of whole house ventilation. A whole house fan is mounted in the attic along with a ceiling mounted shutter in a hallway.

The solar attic gable fan is the most energy efficient attic fan in the quietcool line up. 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. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. The issue with a whole house fan is that the hot air needs somewhere to go.

The attic fan on the other hand blows warm air out through the roof or a gable vent and the fresh air is drawn in through the roof and vents. To maintain energy efficiency when it is not in use the outlet for the whole house fan should be sealed to prevent heat from escaping into the attic. If your attic isn t ventilated well that humid moist air will build up in the attic space and can cause mold to grow. By opening windows throughout your home you can pull fresh air into the house and cool your home for significantly less than the cost of running your air conditioner.

It provides good attic ventilation in addition to whole house cooling. Whole house ventilation allows you to bring the cooler outdoor air through your windows home and attic space to thoroughly cool and ventilate both the home and attic. Find whole house fans at lowe s today. Some fans come with insulated closures that make this easier than having to physically cover the fan s outlet with an insulated cover.

An air conditioner can use up to 3000watts power if you compare with a whole house fan which uses 70 to 300 watts thus using 10 or so energy less. The shutter opens and the fan pulls the warm air out of the house into the attic pushing it out of the roof or gable vents while cooling the attic. This fan utilizes solar power to keep your home cool and safe throughout the day.