Solar solar attic fans vs electric attic fans more hype with no hope.
Attic fan electric vs solar.
Some electric fans run continuously but.
You also have to pay for electricity while the sun s rays are free.
Therefore an electric attic fan is not the best choice for the environmentally conscious.
This is a solar panel supplying free electricity to the attic fan under the silver dome on the rear roof.
The fan blades spin but they don t lower the attic temperature at all.
Solar attic fans exhaust hot air for free using the sun s rays.
Probably the biggest advantage of a solar attic fan is the energy savings over time.
Anytime the fan blade turns it draws air through the attic space.
Electric powered fans use either household current or solar power to drive a fan blade.
Solar powered attic fans.
Once installed a solar fan costs nothing to run.
Electric attic fans vs.
If you do choose to use an electric attic fan consider one with a thermostat an almost standard feature and set it for 130ºf or above.
This will reduce electricity consumption.
Pros of solar attic fans.
Electric attic fans are more powerful and cheaper than solar attic fans but they consume a lot of power.