Commercial experience with steam-pressurised delivery systems, converters, plate and frame heat exchangers, closed-loop systems, water chemistry, pumps, valves, cooling towers, ductwork fabrication, and functional knowledge of plumbing systems. Reporting to the HVAC Foreman, the Lead HVAC Technician performs HVAC-related mechanical work, including troubleshooting, installations, alterations, repairs, and general maintenance using applicable skills and knowledge.