This Solar Attic Fan is a simple and environmentally sensible solution that can save you money. Powered completely by free solar energy, this sleek and efficient vent is both compact and quite. Fully operational right from the box, it installs easily, with no electrical wiring , no expensive electrician and city permits. Place it wherever you need improved circulation: attics, lofts, workshops, storage sheds, garages, even barns! For more information click this link.