Do Solar Attic Fans Work On Cloudy Days

To determine the number of cubic feet per minute needed for a power vent fan multiply the number of square feet in your attic by 0 7.

Do solar attic fans work on cloudy days.

How an attic fan works. The more direct sunlight the fan receives the faster the fan moves air. But they re much easier to install since no wiring is needed. Solar attic fans require direct sunlight to operate.

On cloudy days the fan will receive less sunlight and will move more slowly on rainy days the fan will not move at all. You might find that some solar attic fans only push around the hot and humid air in your space instead of exhausting it. Solar powered attic vent fans usually don t move as many cubic feet of air per minute cfm as hardwired fans. They assisted a lot in creating a comfortable environment at home.

An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. Although there are a lot of factors to consider before installing it can function well. These fans are also maintenance free and easy to install and maintain. Superior quality multi crystalline solar cell modules provide the power for all attics and more solar attic fans.

Drifting clouds can prevent the fan s operation. If a cloud blocks the sunlight the fans slow or stop. Attic fans exhaust hot air from your attic to the outside. 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.

On cloudy days you don t need to run an attic fan and with solar attic fans you only access the energy you need on the days you need it most the hottest sunniest days of the year with no added expense. The attic fan can work with the modern air conditioning unit but only if you are in a closed room. That means you re paying for the equipment without really getting the benefits that you need to improve your storage space. Depending on what your utility charges that s about 40 per year.

Even if you install it yourself and take the tax credit it could still take you 15 years or. Do solar attic fans work on cloudy days. Our solar attic fans are designed to work the hardest when you need them the most.