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The occupational data used in the Job Description Writer comes from the Occupational Information Network (O*NET).

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The Job Description Writer walks you through a step-by-step process of building a meaningful job description. Get started by entering an occupation and a state below.

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    Heating, Air Conditioning, and Refrigeration Mechanics and Installers
    Today's Date: 6/10/2024
    Exclude this category Install or repair heating, central air conditioning, HVAC, or refrigeration systems, including oil burners, hot-air furnaces, and heating stoves.

    Exclude this category Postsecondary non-degree award
    Long-term on-the-job training

    Exclude this category Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
    Building and Construction - Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads.
    Customer and Personal Service - Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.
    Engineering and Technology - Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.
    Computers and Electronics - Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.
    English Language - Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
    Public Safety and Security - Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.
    Design - Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
    Physics - Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub-atomic structures and processes.
    Mathematics - Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
    Administration and Management - Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.
    Education and Training - Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.

    Exclude this category Basic Skills
    • *Active Learning Understanding the implications of new information for both current and future problem-solving and decision-making.
    • *Active Listening Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.
    • *Critical Thinking Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems.
    • *Learning Strategies Selecting and using training/instructional methods and procedures appropriate for the situation when learning or teaching new things.
    • *Mathematics Using mathematics to solve problems.
    • *Monitoring Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action.
    • *Reading Comprehension Understanding written sentences and paragraphs in work-related documents.
    • Science Using scientific rules and methods to solve problems.
    • *Speaking Talking to others to convey information effectively.
    • *Writing Communicating effectively in writing as appropriate for the needs of the audience.

    Social Skills
    • *Coordination Adjusting actions in relation to others' actions.
    • *Instructing Teaching others how to do something.
    • Negotiation Bringing others together and trying to reconcile differences.
    • *Persuasion Persuading others to change their minds or behavior.
    • *Service Orientation Actively looking for ways to help people.
    • *Social Perceptiveness Being aware of others' reactions and understanding why they react as they do.

    Complex Problem Solving Skills
    • *Complex Problem Solving Identifying complex problems and reviewing related information to develop and evaluate options and implement solutions.

    Technical Skills
    • *Equipment Maintenance Performing routine maintenance on equipment and determining when and what kind of maintenance is needed.
    • *Equipment Selection Determining the kind of tools and equipment needed to do a job.
    • *Installation Installing equipment, machines, wiring, or programs to meet specifications.
    • *Operation and Control Controlling operations of equipment or systems.
    • Operations Analysis Analyzing needs and product requirements to create a design.
    • *Operations Monitoring Watching gauges, dials, or other indicators to make sure a machine is working properly.
    • Programming Writing computer programs for various purposes.
    • *Quality Control Analysis Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
    • *Repairing Repairing machines or systems using the needed tools.
    • Technology Design Generating or adapting equipment and technology to serve user needs.
    • *Troubleshooting Determining causes of operating errors and deciding what to do about it.

    Systems Skills
    • *Judgment and Decision Making Considering the relative costs and benefits of potential actions to choose the most appropriate one.
    • *Systems Analysis Determining how a system should work and how changes in conditions, operations, and the environment will affect outcomes.
    • *Systems Evaluation Identifying measures or indicators of system performance and the actions needed to improve or correct performance, relative to the goals of the system.

    Resource Management Skills
    • Management of Financial Resources Determining how money will be spent to get the work done, and accounting for these expenditures.
    • Management of Material Resources Obtaining and seeing to the appropriate use of equipment, facilities, and materials needed to do certain work.
    • *Management of Personnel Resources Motivating, developing, and directing people as they work, identifying the best people for the job.
    • *Time Management Managing one's own time and the time of others.

    Desktop Computer Skills
  • SpreadsheetsUsing a computer application to enter, manipulate, and format text and numerical data; insert, delete, and manipulate cells, rows, and columns; and create and save worksheets, charts, and graphs.
  • PresentationsUsing a computer application to create, manipulate, edit, and show virtual slide presentations.
  • InternetNavigating the Internet to find information, including the ability to open and configure standard browsers; use searches, hypertext references, and transfer protocols; and send and retrieve electronic mail (e-mail).
  • NavigationUsing scroll bars, a mouse, and dialog boxes to work within the computer's operating system. Being able to access and switch between applications and files of interest.
  • Word ProcessingUsing a computer application to type text, insert pictures, format, edit, print, save, and retrieve word processing documents.
  • GraphicsWorking with pictures in graphics programs or other applications, including creating simple graphics, manipulating the appearance, and inserting graphics into other programs.
  • DatabasesUsing a computer application to manage large amounts of information, including creating and editing simple databases, inputting data, retrieving specific records, and creating reports to communicate the information.


  • Exclude this category Body Positioning
    • Requires repetitive movement
    • Requires climbing ladders, scaffolds, or poles
    • Requires walking and running
    • Requires using hands to handle, control, or feel objects, tools or controls
    • Requires standing
    • Requires bending or twisting

    Communication
    • Requires contact with others (face-to-face, by telephone, or otherwise)
    • Requires face-to-face discussions with individuals or teams
    • Requires use of electronic mail
    • Requires telephone conversations

    Competition
    • Requires competition or awareness of competitive pressures

    Environment
    • Requires working in extremely bright or inadequate lighting conditions
    • Requires working in cramped work spaces and getting into awkward positions
    • Includes exposure to contaminants
    • Requires working in very hot (above 90 F degrees) or very cold (below 32 F degrees) temperatures
    • Includes exposure to sounds and noise levels that are distracting or uncomfortable

    Impact of Decisions
    • Requires making decisions that impact the results of co-workers, clients or the company
    • Mistakes are not easily correctable and have serious consequences
    • Opportunity to make decisions without supervision
    • Requires making decisions that affect other people, the financial resources, and/or the image and reputation of the organization

    Job Hazards
    • Requires exposure to high places
    • Requires exposure to minor burns, cuts, bites, or stings
    • Requires exposure to hazardous conditions
    • Requires exposure to hazardous equipment

    Level of Challenge
    • Requires being exact or highly accurate
    • Requires repeating the same physical activities or mental activities over and over
    • Freedom to determine tasks, priorities, and goals

    Pace and Scheduling
    • Requires meeting strict deadlines

    Personal Interaction
    • Requires coordinating or leading others in accomplishing work activities
    • Requires work with external customers or the public
    • Requires work with others in a group or team

    Responsibility for Others
    • Includes responsibility for the health and safety of others
    • Includes responsibility for work outcomes and results

    Work Attire
    • Requires wearing common protective or safety equipment

    Work Setting
    • Requires working indoors in non-controlled environmental conditions
    • Requires working indoors in environmentally controlled conditions
    • Job tasks are performed in close physical proximity to other people
    • Requires working in a closed vehicle or equipment
    • Requires working outdoors, under cover
    • Requires working outdoors, exposed to all weather conditions


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

    Exclude this category
    Getting Information
    • Interpret blueprints, specifications, or diagrams to inform installation, development or operation activities.

    Performing General Physical Activities

      Inspecting Equipment, Structures, or Materials
      • Inspect systems to determine if they are operating properly.
      • Test electrical circuits or components for proper functioning.
      • Test mechanical systems to ensure proper functioning.

      Making Decisions and Solving Problems

        Handling and Moving Objects
        • Adjust equipment to ensure optimal performance.
        • Braze metal parts or components.
        • Connect electrical components or equipment.
        • Cut materials according to specifications or needs.
        • Drill holes in parts, equipment, or materials.
        • Install energy-efficient heating, ventilation, or air conditioning (HVAC) equipment.
        • Install heating, ventilation, or air conditioning (HVAC) equipment.
        • Install home appliances.
        • Install machine or equipment replacement parts.
        • Lay out work according to specifications.

        Identifying Objects, Actions, and Events

          Updating and Using Relevant Knowledge

            Evaluating Information to Determine Compliance with Standards

              Operating Vehicles, Mechanized Devices, or Equipment
              • Travel to work sites to perform installation, repair or maintenance work.

              Monitoring Processes, Materials, or Surroundings
              • Determine operational compliance with regulations or standards.

              Repairing and Maintaining Mechanical Equipment
              • Repair worn, damaged, or defective mechanical parts.
              • Replace worn, damaged, or defective mechanical parts.
              • Service heating, ventilation or air-conditioning (HVAC) systems or components.

              Communicating with Supervisors, Peers, or Subordinates
              • Confer with customers or users to assess problems.

              Establishing and Maintaining Interpersonal Relationships

                Controlling Machines and Processes
                • Operate cranes, hoists, or other moving or lifting equipment.

                Processing Information

                  Communicating with People Outside the Organization

                    Thinking Creatively

                      Judging the Qualities of Objects, Services, or People

                        Training and Teaching Others
                        • Train others in operational procedures.

                        Organizing, Planning, and Prioritizing Work

                          Coaching and Developing Others

                            Repairing and Maintaining Electronic Equipment

                              Documenting/Recording Information
                              • Document operational activities.
                              • Maintain repair or maintenance records.

                              Estimating the Quantifiable Characteristics of Products, Events, or Information
                              • Measure distances or dimensions.

                              Analyzing Data or Information

                                Resolving Conflicts and Negotiating with Others

                                  Guiding, Directing, and Motivating Subordinates
                                  • Supervise employees.

                                  Coordinating the Work and Activities of Others

                                    Scheduling Work and Activities
                                    • Schedule repair, installation or maintenance activities.

                                    Interpreting the Meaning of Information for Others


                                      Exclude this category Tools

                                      Air velocity and temperature monitors
                                      • Air flow sensors
                                      • Air velocity meters
                                      • Draft gauges
                                      • Velometers

                                      Levels
                                      • Bubble levels
                                      • Laser levels
                                      • Levels
                                      • Precision levels
                                      • Water levels

                                      Power drills
                                      • Cordless drills
                                      • Electric drills
                                      • Hand drills
                                      • Portable drills
                                      • Power drills

                                      Pressure indicators
                                      • Differential pressure detectors
                                      • Duplex pressure gauges
                                      • Gas pressure gauges
                                      • Magnehelic gauges
                                      • Pneumatic air gauges
                                      • Pressure gauges
                                      • Pressure simulators
                                      • Refrigerant pressure meters
                                      • Water pressure gauges

                                      Voltage or current meters
                                      • Alternating current AC line splitters
                                      • Electrical current meters
                                      • Heating ventilation and air-conditioning/refrigeration HVAC/R clamp meters
                                      • Non-contact voltage detectors
                                      • Voltmeters

                                      Technology

                                      Computer aided design CAD software
                                      • Autodesk AutoCAD
                                      • Computer aided design CAD software
                                      • HVAC tools software

                                      Electronic mail software
                                      • IBM Notes
                                      • Microsoft Exchange
                                      • Microsoft Outlook

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

                                      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 Word