Relevant General Commissioning Experience & Background: Don has 35+ years of HVAC industry experience. He worked as a licensed Operating Engineer and for commercial mechanical contractors doing service, installation and startup. He has also worked as a service and overhaul technician with McQuay International and supported facility managers and owners of all building types, including education, health care, hospital, bio-medical, correctional facilities, manufacturing, communication, entertainment and retail. Don has provided commissioned startups on most major equipment.