How Does A Solar Attic Fan 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.

How does a solar attic fan work. Yellowblue solar powered attic fans provide circulation that prevents the moist air from condensing on the surface keeping your attic cooler and drier. Solar attic fans require direct sunlight to operate. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner. Fresh air is pulled in from your soffits and or roof vent creating a draft through your attic.

Watch this video to find out more. Because most models do not use a battery as a backup power source any drifting clouds that come along will interrupt the operation of this unit. The attic fan just helps the air move more which adds cooler air circulation. But they re much easier to install since no wiring is needed.

If a cloud blocks the sunlight the fans slow or stop. Ideally this will lower the high temperatures that have built up in your attic. A solar attic fan ideally delivers up to 400 cfm of venting power per 1000 sq. How does an attic fan work.

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. Of attic and expels hot air from the attic quickly replacing it with cooler air from outside. Air circulation moves hot air out of attic space the increased air circulation provides the pressure needed to force out the hot air from your attic. Attic fan savings claims.

Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. This is basically how air naturally moves. Solar powered attic vent fans usually don t move as many cubic feet of air per minute cfm as hardwired fans. Cold air is at the bottom and warm air is at the top.

The photovoltaic panel of the solar attic fan collects sunlight that powers the fans motor to increase air movement. The fan will stop spinning immediately once it loses contact with the light. Once the solar powered attic fan is up on the roof the sun works its magic to power the fan. Attic fans exhaust hot air from your attic to the outside.

Solar attic fans can be installed in just 15 minutes. 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. The main work of an attic fan is to regulate the heat level of the attic by removing hot air out of the attic and pushing it outside providing needed ventilation. 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.