SolarWall is a perforated metal cladding that uses the sun to preheat air for commercial and industrial buildings. The SolarWall system has been used globally for over 2o years by such clients as FedEx, Ford, Wal-Mart, 3M, Bombardier and NASA.
Solarwall has been called "the most reliable, best performing and lowest cost solar heating system for commercial and industrial buildings available on the market today by the US Department of Energy (DOE).