Nature's Power Patent Pending Solar Attic Vent was custom designed to be the easiest to install, approximetly 5 to 15 minutes on the roof, using your existing vent. Options to use the vent on a gable end or sofit installation are also been considered when designing the system. The units can be used in a shed, crawl space or any place where you would like air movment  while the sun is shinning.