Other Common Titles: HVAC Service Technician, Commercial Service Technician, Heating and Air Conditioning Technician, Heating and Cooling Technician, Service Technician, Refrigeration Technician, HVAC Mechanic, HVAC Apprentice, Heating, ventilation, air conditioning, and refrigeration, HVAC Specialist. As a CBRE HVAC Engineer, this position supports a large commercial office environment and requires a highly skilled HVAC technician to perform maintenance, repair, and installation tasks on building systems, equipment, and instruments.