Once installed a solar fan costs nothing to run.
Attic fan electric vs solar.
Some electric fans run continuously but.
Compare that to a 250 watt electric fan which will typically use 60 kilowatt hours per month when running 8 hours per day and 180 kilowatt hours per month running continuously.
Solar attic fans exhaust hot air for free using the sun s rays.
Anytime the fan blade turns it draws air through the attic space.
Solar solar attic fans vs electric attic fans more hype with no hope.
Probably the biggest advantage of a solar attic fan is the energy savings over time.
Electric powered fans use either household current or solar power to drive a fan blade.
You also have to pay for electricity while the sun s rays are free.
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.
The fan blades spin but they don t lower the attic temperature at all.
Electric attic fans are more powerful and cheaper than solar attic fans but they consume a lot of power.
Therefore an electric attic fan is not the best choice for the environmentally conscious.
Pros of solar attic fans.
Electric attic fans vs.
Solar powered attic fans.
What you may think as product advancement is just an ambiguous concept because what is an advancement for someone could not mean the same for another person and can be misunderstood we can t call product advancement when that means to take one step forward two steps back.