Attic Fan Energy Usage

Many are solar powered and require no other wiring so they don t cause any additional charges on your electricity bill at all.

Attic fan energy usage.

Sunshine is reflected instead of heating the roof. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation. 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 warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.

And i agree with the additional energy costs but my attic fan is a 1500 cfm 40 watts. The a c usage goes down. Similarly painting the roof white causes the roof to cool. The attic cools and the attic fan goes off.

Environmental protection agency and designed to encourage people to upgrade old or inefficient appliances. It provides good attic ventilation in addition to whole house cooling. And this is a. The program is run by the u s.

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. Energystar is a system whereby fans and other appliances can be certified with the energystar badge due to being energy efficient. The criteria they set out means that in order to display the energystar badge the appliance must have. 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.

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 work on the principle of removing the hot and humid air out of the house. 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. 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.

If the attic fan increases the comfort level of the house it may be worth it. It helps to cool your home temperatures and the attic by approximately 30 degrees. Quietcool attic fans work almost everywhere almost anytime. The whole house fan pulls air in from open windows and exhausts it through the attic and roof.

The whole house fan is installed inside the attic between the living space and ceiling. Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem. Many users however claim an attic fan is a money saver but they do not offer documented proof of the savings. Gable fans fit into the gable vent and can be set to operate only within a preset temperature range.

As the fan uses a lot less energy than an ac unit. The cooler roof radiates and conducts less to the attic.