Energy Saving Attic Fan

The whole house fan pulls air in from open windows and exhausts it through the attic and roof.

Energy saving attic fan.

It provides good attic ventilation in addition to whole house cooling. Whole house fans energy requirements are just 10 15 percent of what you could expect from the a c unit. Even if you install it yourself and take the tax credit it could still take you 15 years or. Attic gable fans roof mount attic fans and solar attic fans.

Gable fans fit into the gable vent and can be set to operate only within a preset temperature range. True to its name quietcool s solar attic fan is one of the quietest and most highly energy efficient fans you can find. At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home. Depending on what your utility charges that s about 40 per year.

There are many types of attic fans such as. Attic ventilation fans are typically mounted to an exterior wall in the attic. About attic ventilation natural attic ventilation. Regardless of how much insulation you have in your attic adding rb will save on your heating and cooling expense and keep you much more comfortable.

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. It features a 30 watt solar panel with 60 degree tilt for optimal sun exposure a preset thermostat and an ultra energy efficient dc motor. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation. An attic fan on the other hand is a fan that exhausts only attic air out of the attic vents.

Danny s tests of solar attic fans showed that in florida where there s abundant solar energy yearly savings from installing two fans in a house with just over 1 000 square feet of air conditioned floor area amounted to only 460 kwh. It also includes an ac dc converter which allows the fan to run 24 7 even. Solar powered attic fans offer a potential alternative to electrically powered attic. Energy savings for heating and cooling can vary from 17 to 25 depending on a number of factors including climate building configuration materials used site family size and lifestyle.

Many are solar powered and require no other wiring so they don t cause any additional charges on your electricity bill at all. The underpinnings of most are similar to wired fans though the best are designed to make the most use of the solar energy available. This type of. When turned on the fan draws cool air through the windows up and into the attic helping to push warm air out of the attic.