Attic Fan Energy Usage

Environmental protection agency and designed to encourage people to upgrade old or inefficient appliances.

Attic fan energy usage.

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. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. 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.

During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. 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 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. It helps to cool your home temperatures and the attic by approximately 30 degrees.

If the attic fan increases the comfort level of the house it may be worth it. 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. With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly. Similarly painting the roof white causes the roof to cool.

Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem. Gable fans fit into the gable vent and can be set to operate only within a preset temperature range. Quietcool attic fans work almost everywhere almost anytime. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation.

The cooler roof radiates and conducts less to the attic. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. Many are solar powered and require no other wiring so they don t cause any additional charges on your electricity bill at all. 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 provides good attic ventilation in addition to whole house cooling. The a c usage goes down. The attic cools and the attic fan goes off. As the fan uses a lot less energy than an ac unit.

The program is run by the u s. The whole house fan is installed inside the attic between the living space and ceiling. Sunshine is reflected instead of heating the roof. And i agree with the additional energy costs but my attic fan is a 1500 cfm 40 watts.

The criteria they set out means that in order to display the energystar badge the appliance must have. And this is a.