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O*NET-SOC 49-9021.00

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.

From O*NET 30.3

Tasks

From O*NET 30.3, by importance, as O*NET OnLine lists them

Free · O*NET 30.3
  1. Test electrical circuits or components for continuity, using electrical test equipment.Core23552
  2. Comply with all applicable standards, policies, or procedures, such as safety procedures or the maintenance of a clean work area.Core23557
  3. 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.Core23558
  4. Discuss heating or cooling system malfunctions with users to isolate problems or to verify that repairs corrected malfunctions.Core23554
  5. Connect heating or air conditioning equipment to fuel, water, or refrigerant source to form complete circuit.Core23555
  6. Adjust system controls to settings recommended by manufacturer to balance system.Core23565
  7. Recommend, develop, or perform preventive or general maintenance procedures, such as cleaning, power-washing, or vacuuming equipment, oiling parts, or changing filters.Core23568
  8. Inspect and test systems to verify system compliance with plans and specifications or to detect and locate malfunctions.Core23562
  9. Repair or replace defective equipment, components, or wiring.Core23553
  10. 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.Core23579
  11. Install, connect, or adjust thermostats, humidistats, or timers.Core23556
  12. Install auxiliary components to heating or cooling equipment, such as expansion or discharge valves, air ducts, pipes, blowers, dampers, flues, or stokers.Core23559
  13. Braze or solder parts to repair defective joints and leaks.Core23560
  14. Lay out and connect electrical wiring between controls and equipment, according to wiring diagrams, using electrician's hand tools.Core23561
  15. Perform mechanical overhauls and refrigerant reclaiming.Core23564
  16. Install expansion and control valves, using acetylene torches and wrenches.Core23566
  17. Measure, cut, thread, or bend pipe or tubing, using pipe fitter's tools.Core23571
  18. Mount compressor, condenser, and other components in specified locations on frames, using hand tools and acetylene welding equipment.Core23570
  19. Install dehumidifiers or related equipment for spaces that require cool, dry air to operate efficiently, such as computer rooms.Core23567
  20. Record and report time, materials, faults, deficiencies, or other unusual occurrences on work orders.Core23563
  21. Keep records of repairs and replacements made and causes of malfunctions.Core23572
  22. Cut or drill holes in floors, walls, or roof to install equipment, using power saws or drills.Core23569
  23. Estimate, order, pick up, deliver, and install materials and supplies needed to maintain equipment in good working condition.Core23574
  24. Schedule work with customers and initiate work orders, house requisitions, and orders from stock.Core23575
  25. Supervise and instruct assistants.Core23576
  26. Lay out reference points for installation of structural and functional components, using measuring instruments.Core23577
  27. Lift and align components into position, using hoist or block and tackle.Core23578
  28. Install or repair air purification systems, such as specialized filters or ultraviolet (UV) light purification systems.Supplemental23573
  29. Repair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, and refilling non-toxic refrigerants.23580
  30. Test pipes, lines, components, and connections for leaks.23581

Technology Skills

From O*NET 30.3, 27 examples in 13 categories, 8 Hot Technology

Free · O*NET 30.3

Document management software

  • Adobe AcrobatHot Technology

Industrial control software

  • Alerton Ascent Compass
  • Building automation software
  • Delta Controls inteliWEB
  • Honeywell WEBs-N4
  • Siemens APOGEE Building Automation Software

Word processing software

  • Atlas Construction Business Forms
  • Microsoft WordHot Technology

Computer aided design CAD software

  • Autodesk AutoCADHot Technology
  • HVAC tools software

Facilities management software

  • Computerized maintenance management system CMMS
  • Cworks CMMS
  • Facility energy management software
  • IBM Maximo Asset Management
  • Johnson Controls Metasys
  • ManagerPlus

Customer relationship management CRM software

  • Contact management systems

Data base user interface and query software

  • Data logging software
  • Database software

Graphics or photo imaging software

  • Graphics software

Electronic mail software

  • IBM Notes
  • Microsoft Exchange
  • Microsoft OutlookHot Technology

Spreadsheet software

  • Microsoft ExcelHot Technology

Office suite software

  • Microsoft Office softwareHot Technology

Presentation software

  • Microsoft PowerPointHot Technology

Enterprise resource planning ERP software

  • SAP softwareHot Technology

Detailed Work Activities

From O*NET 30.3, under their work activities; open one for the AI skills Workforce Automation maps to it

Free · O*NET 30.3

Getting Information

  • Interpret blueprints, specifications, or diagrams to inform installation, development or operation activities.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Monitoring Processes, Materials, or Surroundings

  • Determine operational compliance with regulations or standards.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Inspecting Equipment, Structures, or Materials

  • Inspect systems to determine if they are operating properly.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Test mechanical systems to ensure proper functioning.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Test electrical circuits or components for proper functioning.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Estimating the Quantifiable Characteristics of Products, Events, or Information

  • Measure distances or dimensions.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Scheduling Work and Activities

  • Schedule repair, installation or maintenance activities.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Handling and Moving Objects

  • Drill holes in parts, equipment, or materials.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Connect electrical components or equipment.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Braze metal parts or components.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Lay out work according to specifications.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Install machine or equipment replacement parts.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Adjust equipment to ensure optimal performance.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Cut materials according to specifications or needs.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Install energy-efficient heating, ventilation, or air conditioning (HVAC) equipment.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Install heating, ventilation, or air conditioning (HVAC) equipment.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Install home appliances.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Controlling Machines and Processes

  • Operate cranes, hoists, or other moving or lifting equipment.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Operating Vehicles, Mechanized Devices, or Equipment

  • Travel to work sites to perform installation, repair or maintenance work.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Repairing and Maintaining Mechanical Equipment

  • Service heating, ventilation or air-conditioning (HVAC) systems or components.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Replace worn, damaged, or defective mechanical parts.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Repair worn, damaged, or defective mechanical parts.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Documenting/Recording Information

  • Document operational activities.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet
  • Maintain repair or maintenance records.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Communicating with Supervisors, Peers, or Subordinates

  • Confer with customers or users to assess problems.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Training and Teaching Others

  • Train others in operational procedures.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Guiding, Directing, and Motivating Subordinates

  • Supervise employees.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Providing Consultation and Advice to Others

  • Advise others on issues related to repairs, installation, or equipment design.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Monitoring and Controlling Resources

  • Order materials, supplies, or equipment.
    WFA · Part of the paid plan when accounts open

    WFA (Workforce Automation) analysis: 0 of 0 AI skills mapped to this activity, by automation level

    • No tools yet
    • Not mapped yet

Job Zone

From O*NET 30.3

Free · O*NET 30.3

Job Zone Three: Medium Preparation Needed

Workforce Automation analysis, not part of the source

WFA coverage: AI skills for this job

WFA · Part of the paid plan when accounts open

Pilot mapping: these skill links come from our seed list and haven’t been reviewed yet. Expect them to change as each one is checked.

DWAs covered by an AI skill0 of 29
Distinct tools0
Level mix
  • No tools yet

Equivalents

NICE work roles, with their DCWF equivalents

Mapped to this job by the ETO-CSET NICE/O*NET crosswalk (2024); roles from NICE Framework Components v2.2.0, DCWF equivalents from DoD DCWF Tool v5.3 (2026-09-25)

Free · NICE Framework Components v2.2.0 and DoD DCWF Tool v5.3 (2026-09-25)

No NICE work role maps to this job.