Attic Fan Energy Savings

An overview of energy saving features.

Attic fan energy savings.

Whole house fans energy requirements are just 10 15 percent of what you could expect from the a c unit. This cuts down on the need to run the air conditioning system therein saving on your energy bills. If a cloud blocks the sunlight the fans slow or stop. 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.

In this blog we will break down the estimated savings true savings and total costs of the solar attic fan. The installation of an attic fan that will reduce overhead heat and further reduce cooling costs. Their smart attic fan uses between 15 and 140 watts. Attic fans help cool the living area of your home indirectly.

Attic ventilation fans are typically mounted to an exterior wall in the attic. 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. This type of. Due to many factors such as the home s materials and design their hourly energy savings is more difficult to calculate directly but they do contribute to energy savings.

The whole house fan pulls air in from open windows and exhausts it through the attic and roof. Check out this overview of energy saving features. Solar powered attic fans offer a potential alternative to electrically powered attic. For the attic fans to work at peak efficiency they need to be on a south facing roof slope if you live in the northern hemisphere.

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. 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. These fans are designed to remove excess heat from your attic which in. Solar innovations can be easily incorporated into a daily lifestyle without sacrificing style or comfort.

Even if you install it yourself and take the tax credit it could still take you 15 years or. Depending on what your utility charges that s about 40 per year. Solar attic fans how they work solar attic fans work by pulling in the cold air from the soffits and pushing out the hot air that has accumulated at the top of the attic. 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.

As the fan uses a lot less energy than an ac unit. 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.