Job Duties Perform assigned HVAC maintenance, troubleshooting and repair tasks safely in commercial and industrial settings on various types of air cooled chillers, WSHP’s, cooling towers, split systems, packaged rooftop units, heat pumps, pneumatic, electrical control systems, and other mechanical equipment. Our commitment to diversity and inclusion helps us attract and retain the best talent, enables employees to realize their full potential, and drives high performance through innovation and collaboration.