Occupation: Heating, Air Conditioning, and Refrigeration Mechanics and Installers

Heating, Air Conditioning, and Refrigeration Mechanics and Installers

Install or repair heating, central air conditioning, HVAC, or refrigeration systems, including oil burners, hot-air furnaces, and heating stoves.

49-9021.00 | 28 tasks | 10 job titles

Reported Job Titles

(10)
  • A/C Tech (Air Conditioning Technician)
  • HVAC Installer (Heating, Ventilation, and Air Conditioning Installer)
  • HVAC Mechanic (Heating, Ventilation, and Air Conditioning Mechanic)
  • HVAC Service Tech (Heating, Ventilation, and Air Conditioning Service Technician)
  • HVAC Specialist (Heating, Ventilation, and Air Conditioning Specialist)
  • HVAC Tech (Heating, Ventilation, and Air Conditioning Technician)
  • Refrigeration Mechanic
  • Refrigeration Operator
  • Refrigeration Technician (Refrigeration Tech)
  • Service Technician (Service Tech)

Core Tasks

(27)
  • Test electrical circuits or components for continuity, using electrical test equipment.
  • Comply with all applicable standards, policies, or procedures, such as safety procedures or the maintenance of a clean work area.
  • Study blueprints, design specifications, or manufacturers' recommendations to ascertain the configuration of heating or cooling equipment components and to ensure the proper installation of components.
  • Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions.
  • Connect heating or air conditioning equipment to fuel, water, or refrigerant source to form complete circuit.
  • Adjust system controls to settings recommended by manufacturer to balance system.
  • Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters.
  • Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.
  • Repair or replace defective equipment, components, or wiring.
  • Install or repair self-contained ground source heat pumps or hybrid ground or air source heat pumps to minimize carbon-based energy consumption and reduce carbon emissions.
  • Install, connect, or adjust thermostats, humidistats, or timers.
  • Install auxiliary components to heating or cooling equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers.
  • Braze or solder parts to repair defective joints and leaks.
  • Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools.
  • Perform mechanical overhauls and refrigerant reclaiming.
  • Install expansion and control valves, using acetylene torches and wrenches.
  • Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools.
  • Mount compressor, condenser, and other components in specified locations on frames, using hand tools and acetylene welding equipment.
  • Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.
  • Record and report time, materials, faults, deficiencies, or other unusual occurrences on work orders.
  • Keep records of repairs and replacements made and causes of malfunctions.
  • Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills.
  • Estimate, order, pick up, deliver, and install materials and supplies needed to maintain equipment in good working condition.
  • Schedule work with customers and initiate work orders, house requisitions, and orders from stock.
  • Supervise and instruct assistants.
  • Lay out reference points for installation of structural and functional components, using measuring instruments.
  • Lift and align components into position, using hoist or block and tackle.

Supplemental Tasks

(1)
  • Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.