Do Solar Attic Fans Work On Cloudy Days

That means you re paying for the equipment without really getting the benefits that you need to improve your storage space.

Do solar attic fans work on cloudy days. Superior quality multi crystalline solar cell modules provide the power for all attics and more solar attic fans. Our solar attic fans are designed to work the hardest when you need them the most. 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.

They assisted a lot in creating a comfortable environment at home. The more direct sunlight the fan receives the faster the fan moves air. The attic fan can work with the modern air conditioning unit but only if you are in a closed room. 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.

You might find that some solar attic fans only push around the hot and humid air in your space instead of exhausting it. Drifting clouds can prevent the fan s operation. Solar attic fans require direct sunlight to operate. 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.

Solar powered attic vent fans usually don t move as many cubic feet of air per minute cfm as hardwired fans. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic. On cloudy days the fan will receive less sunlight and will move more slowly on rainy days the fan will not move at all. But they re much easier to install since no wiring is needed.

How an attic fan works. Attic fans were majorly adopted before the modern air conditioning units came to existence. If a cloud blocks the sunlight the fans slow or stop. Do solar attic fans work on cloudy days.

Although there are a lot of factors to consider before installing it can function well. 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. Depending on what your utility charges that s about 40 per year.