Energy Saving Attic Fan

The energy expenditure of powered attic ventilation fans also needs considering as such fans consume more energy than they save in homes without proper insulation although they may still address moisture issues and prevent rising heat from damaging roofs.

Energy saving attic fan.

Attic ventilation fans are typically mounted to an exterior wall in the attic. 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. There are lots of solar attic fans available with the obvious attraction that they cost nothing to run. With energy costs higher than ever many homeowners are looking for ways to reduce their bills while still keeping the whole house cool.

Whole house fans energy requirements are just 10 15 percent of what you could expect from the a c unit. The underpinnings of most are similar to wired fans though the best are designed to make the most use of the solar energy available. True to its name quietcool s solar attic fan is one of the quietest and most highly energy efficient fans you can find. 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.

Even if you install it yourself and take the tax credit it could still take you 15 years or. It provides good attic ventilation in addition to whole house cooling. 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. 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.

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. 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. Solar powered attic fans offer a potential alternative to electrically powered attic. About attic ventilation natural attic ventilation.

Many are solar powered and require no other wiring so they don t cause any additional charges on your electricity bill at all. There are many types of attic fans such as. It also includes an ac dc converter which allows the fan to run 24 7 even. Gable fans fit into the gable vent and can be set to operate only within a preset temperature range.

An attic fan on the other hand is a fan that exhausts only attic air out of the attic vents. This type of. Attic ventilation fans also tend to be quite energy efficient in terms of their own operation. 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.