Attic Fan Energy Usage

Energystar is a system whereby fans and other appliances can be certified with the energystar badge due to being energy efficient.

Attic fan energy usage.

The a c usage goes down. The attic cools and the attic fan goes off. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. 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.

It helps to cool your home temperatures and the attic by approximately 30 degrees. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. Attic fan ventilation attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside. However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic.

And i agree with the additional energy costs but my attic fan is a 1500 cfm 40 watts. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation. It provides good attic ventilation in addition to whole house cooling. The program is run by the u s.

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. If the attic fan increases the comfort level of the house it may be worth it. The average attic fan draws less than 300 watts making it seem like an energy efficient home improvement but some professionals in the field claim that attic fans are not a cost saving investment. Many are solar powered and require no other wiring so they don t cause any additional charges on your electricity bill at all.

The cooler roof radiates and conducts less to the attic. 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. Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.

The criteria they set out means that in order to display the energystar badge the appliance must have. Whole house fans work on the principle of removing the hot and humid air out of the house. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. And this is a.

As the fan uses a lot less energy than an ac unit. Similarly painting the roof white causes the roof to cool. Quietcool attic fans work almost everywhere almost anytime. Many users however claim an attic fan is a money saver but they do not offer documented proof of the savings.

The whole house fan pulls air in from open windows and exhausts it through the attic and roof. Sunshine is reflected instead of heating the roof.