Attic fans in general fall into a variety of categories, including traditional fans that circulate the air in the home and vent the hot air at night, to heat recovery ventilators, which facilitate a heat transfer to freshen the air without altering the indoor temperature. Solar attic fans play much the same role as these other models. The only difference is the way they obtain their power. Solar panels (usually on your roof) power a fan that pulls outside air in through a vent, which in turn pushes the hot air coalescing in your attic outside. Solar attic fans work well in the winter too, preventing moist air from your home from rising and intermingling with the cold underside surface of your roof (which can create condensation, which leads to all manner of problems).

What Are the Benefits of Solar Attic Fans?

Some of the benefits of this system are self–explanatory. By circulating the air, you help get rid of the unwanted hot air in the summer and help keep your air fresher and cleaner in the winter. That helps give your air conditioner a break since it won’t have to work so hard to keep your home cool. Its overall strain will be reduced – lessening the chances of a breakdown – and your monthly energy bills are apt to be a bit lower over it. Best of all, because the attic fans are solar-powered, they use almost no electricity of their own and can operate with very little cost or maintenance for a long time.

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