Spec-Air is the engineered products division of Champion Cooler, Inc., which specializes in custom industrial air handlers, energy recovery, indirect/direct evaporative cooling, gas heating, make-up air and 100% outside air applications. In addition, Spec-Air modifies packaged rooftop units to provide 100% outside air capability and energy recovery from building exhaust. With its complete in-house engineering staff, Spec-Air can design and fabricate custom air handling units from 1500 - 300,000 CFM. Made in USA.