Thermal Systems Technicians work with systems involving heat transfer such as boilers, heat exchangers, chillers, HVAC units, and thermal energy systems. They use diagnostic tools, monitoring systems, and maintenance equipment to ensure efficient operation. Responsibilities include installation, troubleshooting, maintenance, and performance optimization. Work environments include industrial plants, power facilities, and commercial buildings. They follow safety standards and thermal system protocols. Their role ensures efficient heat management, improves energy efficiency, and supports industrial and building operations, making them essential in energy and mechanical systems globally.