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Heating and Air Conditioning Mechanics and Installers - 49-9021.01

O*NET-SOC Description

Install, service, or repair heating and air conditioning systems in residences or commercial establishments.

Sample of Reported Job Titles

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

SOC Occupation Groups

Related Occupations

Tasks

  • Adjust system controls to settings recommended by manufacturer to balance system.
  • Assemble, position, and mount heating or cooling equipment, following blueprints or manufacturer's specifications.
  • Comply with all applicable standards, policies, or procedures, such as safety procedures or the maintenance of a clean work area.
  • Connect heating or air conditioning equipment to fuel, water, or refrigerant source to form complete circuit.
  • Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills.
  • Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions.
  • Fabricate, assemble, or install duct work or chassis parts, using portable metal-working tools or welding equipment.
  • Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.
  • Install and test automatic, programmable, or wireless thermostats in residential or commercial buildings to minimize energy usage for heating or cooling.
  • Install auxiliary components to heating or cooling equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers.
  • Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.
  • Install magnetic-centrifugal chillers, compressors, or related equipment to cool air temperatures through the use of recirculating water.
  • Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.
  • 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 radiator controls for room-level zone control heating of residential or commercial buildings.
  • Install, connect, or adjust thermostats, humidistats, or timers.
  • Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools.
  • Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools.
  • Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters.
  • Record and report time, materials, faults, deficiencies, or other unusual occurrences on work orders.
  • Repair or replace defective equipment, components, or wiring.
  • Repair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, or refilling non-toxic refrigerants.
  • 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.
  • Test electrical circuits or components for continuity, using electrical test equipment.
  • Test pipe or tubing joints or connections for leaks, using pressure gauge or soap-and-water solution.
  • Wrap pipes, securing insulation in place with cement or wire bands.

Detailed Work Activities

  • Adjust equipment to ensure optimal performance.
  • Advise others on issues related to repairs, installation, or equipment design.
  • Assemble mechanical components or machine parts.
  • Confer with customers or users to assess problems.
  • Connect electrical components or equipment.
  • Cut materials according to specifications or needs.
  • Document operational activities.
  • Drill holes in parts, equipment, or materials.
  • Fabricate parts or components.
  • Inspect systems to determine if they are operating properly.
  • Install energy-efficient heating, ventilation, or air conditioning (HVAC) equipment.
  • Install heating, ventilation, or air conditioning (HVAC) equipment.
  • Install insulation in equipment or structures.
  • Interpret blueprints, specifications, or diagrams to inform installation, development or operation activities.
  • Measure distances or dimensions.
  • Position equipment using hand tools, power tools, or heavy equipment.
  • Repair pipes to stop leaking.
  • Repair worn, damaged, or defective mechanical parts.
  • Replace worn, damaged, or defective mechanical parts.
  • Service heating, ventilation or air-conditioning (HVAC) systems or components.
  • Test electrical circuits or components for proper functioning.

Military Crosswalk Titles

  • Aerospace Ground Equipment (Air Force - Enlisted)
  • Aerospace Ground Equipment Apprentice (Air Force - Enlisted)
  • Aerospace Ground Equipment Craftsman (Air Force - Enlisted)
  • Aerospace Ground Equipment Helper (Air Force - Enlisted)
  • Aerospace Ground Equipment Journeyman (Air Force - Enlisted)
  • Aerospace Ground Equipment Superintendent (Air Force - Enlisted)
  • Automotive Maintenance Warrant Officer (Army - Warrant Officer only)
  • Aviation Support Equipmentman (Navy - Enlisted)
  • Cannon Crewmember (Army - Enlisted)
  • Cavalry Scout (Army - Enlisted)
  • Combat Engineer (Army - Enlisted)
  • Combat Medic Specialist (Army - Enlisted)
  • Construction Engineering Technician (Army - Warrant Officer only)
  • Electrical Power Production (Air Force - Enlisted)
  • Electrical Power Production Apprentice (Air Force - Enlisted)
  • Electrical Power Production Craftsman (Air Force - Enlisted)
  • Electrical Power Production Helper (Air Force - Enlisted)
  • Electrical Power Production Journeyman (Air Force - Enlisted)
  • Engineer Equipment Maintenance Warrant Officer (Army - Warrant Officer only)
  • Heating, Ventilation, Air Conditioning, and Refrigeration (Air Force - Enlisted)
  • Heating, Ventilation, Air Conditioning, and Refrigeration Apprentice (Air Force - Enlisted)
  • Heating, Ventilation, Air Conditioning, and Refrigeration Craftsman (Air Force - Enlisted)
  • Heating, Ventilation, Air Conditioning, and Refrigeration Helper (Air Force - Enlisted)
  • Heating, Ventilation, Air Conditioning, and Refrigeration Journeyman (Air Force - Enlisted)
  • M1 Armor Crewman (Army - Enlisted)
  • Missile And Space Facilities (Air Force - Enlisted)
  • Missile And Space Facilities Apprentice (Air Force - Enlisted)
  • Missile And Space Facilities Craftsman (Air Force - Enlisted)
  • Missile And Space Facilities Helper (Air Force - Enlisted)
  • Missile And Space Facilities Journeyman (Air Force - Enlisted)
  • Mobile Facility Technician (Marine Corps - Enlisted)
  • Plumber (Army - Enlisted)
  • Quartermaster and Chemical Equipment Repairer (Army - Enlisted)
  • Refrigeration and Air Conditioning Technician (Marine Corps - Enlisted)
  • Support Equipment Electrician/Refrigeration and Engine/Gas Turbine Technician (Marine Corps - Enlisted)
  • Utilities Chief (Marine Corps - Enlisted)
  • Utilities Equipment Repairer (Army - Enlisted)
  • Utilitiesman (Navy - Enlisted)
  • Wheeled Vehicle Repairer (Army - Enlisted)

Apprenticeship Crosswalk Titles

  • Air and Hydronic Balancing Technician
  • Furnace Installer
  • Furnace Installer-and-Repairer, Hot Air
  • Heating-and-Air-Conditioning Installer-Servicer
  • Oil-Burner-Servicer-and-Installer

DOT Crosswalk Titles

  • Air and Hydronic Balancing Technician
  • Evaporative-Cooler Installer
  • Furnace Installer
  • Furnace Installer-and-Repairer, Hot Air
  • Heating-and-Air-Conditioning Installer-Servicer
  • Oil-Burner-Servicer-and-Installer
  • Solar-Energy-System Installer