HVAC-R Technicians are responsible for the repair, maintenance, and installation of heating, ventilation, air conditioning, and refrigeration (HVAC-R) systems. Their duties include repairing, maintaining, and installing HVAC-R equipment and systems, inspect equipment maintenance risks, diagnose mechanical and electrical faults, adjusting and cleaning systems, and carrying out warranty services. They maintain accurate maintenance records, assist with customer inquiries, give technical directions, provide mentorship to the junior technicians as well as ensure work complies with service, appliance, and safety standards.