How Does A Solar Attic Fan Work

Solar powered attic vent fans usually don t move as many cubic feet of air per minute cfm as hardwired fans.

How does a solar attic fan work. But they re much easier to install since no wiring is needed. A solar attic fan harnesses the power of the sun to run its motor without using electricity. Ideally this will lower the high temperatures that have built up in your attic. The problem with this design as argued by energy professionals is that attic fans also pull the conditioned air from your home into the attic.

If a cloud blocks the sunlight the fans slow or stop. Yellowblue solar powered attic fans provide circulation that prevents the moist air from condensing on the surface keeping your attic cooler and drier. In addition to soffit gable and or ridge vents you may want to add a power vent fan to your attic to increase air circulation. They exhaust the hot heated air out of the attic and replace it with cold air from outside.

This air is then exhausted through the fan to the outside. Heat builds inside an improperly vented attic the sun beats down on a homes roof and heats up the enclosed attic. Fresh air is pulled in from your soffits and or roof vent creating a draft through your attic. Solar attic fans run on solar power.

How an attic fan works. Attic fans exhaust hot air from your attic to the outside. Typically it will reduce the work your air conditioner will have to do to cool your house. How a solar powered attic fan works in the winter in the colder winter months warm moist air rises from inside your home and collides with the cold underside of the roof.

Once the solar powered attic fan is up on the roof the sun works its magic to power the fan. With no electrical source required homeowners can be proud to have a renewable energy source in operation. Air circulation moves hot air out of attic space. Solar attic fans can be installed in just 15 minutes.