Portable power stations are an accessory that once you buy one, you'll always want a few more. Right now, you can get Anker's latest bundle, which includes the Anker SOLIX C1000 and a 200W solar panel ...
A solar attic fan draws its power from a solar panel, mounted on the fan itself or the roof and wired in. The solar panel comes with a fan. Because the sun provides the power, operating costs are zero ...