Johnson Air-Rotation Systems
June 2, 2002
Johnson Air-Rotation Systems'(St. Louis) air rotation hvac system maintains + 1 degrees to 2 degrees F temperature variance anywhere in a facility for every 10 ft and contains very few moving parts, according to the manufacturer. The systems are completely ductless and are available in single and double fan models. Typical applications include manufacturing facilities, warehouses, and airplane hangars.