Keystone air systems provides self-contained unit for complete industrial air conditioning. The humidifiers come with the combination of axial flow fan, 1 or more centrifugal atomisers, air mixing chamber with interconnected fresh air and return air dampers to take and recirculate fresh air. The company supplies humidifiers with 12,000, 15,000 and 25,000 cfm fan capabilities. The company also manufactures centrifugal spot humidifier unit and semi-central unit, centrifugal fans, axial flow fans, high pressure blowers, heavy duty exhaust fans, rotary water and air filter.
