Airconditioning and Refrigeration Mechanic

ANZSCO Code: 342111

Assembling, installing, maintaining, and repairing air conditioning and refrigeration systems is the expertise of an air conditioning and refrigeration mechanic. Residential central air conditioning systems, commercial and industrial refrigeration and air conditioning systems, and combined heating, ventilation, and cooling systems are all installed, maintained, repaired, and upgraded by refrigeration and air conditioning mechanics.

Airconditioning and Refrigeration Mechanic

Occupation Descriptions

Assembling, installing, maintaining, and repairing air conditioning and refrigeration systems is the expertise of an air conditioning and refrigeration mechanic. They take care of things like refrigeration and air conditioning system installation, maintenance, and repairs. These systems contain refrigeration, heating, and cooling components that are located in different environments. 

The work involves setting up accurate reference points and understanding intricate drawings and specifications to determine installation requirements. In addition, tasks include drilling holes, mounting bracket installation, and any required pipe cutting, bending, and threading. Installing and maintaining copper lines for numerous systems, including steam, gas, refrigerant, compressed air, oil, and chilled water, as well as other parts, including compressors, motors, condensers, and switches, are additional duties. In order to connect equipment, the work also involves proficiency in bolting, soldering, riveting, welding, and brazing, with an emphasis on ensuring alignment and quality of fit throughout the installation.

This job involves:

  • Putting gas or fluid into systems to look for leaks.
  • Testing, inspecting, and modifying refrigeration system mechanisms.
  • Using vacuum pumps, remove the test gas and fluid, then fill with refrigerant.
  • Inspecting and upgrading refrigeration systems, identifying issues, and fixing and swapping out faulty parts.
  • Modifying system mechanisms and controls and putting systems back together.
  • Keeping track of defect causes and solutions.

How will I be assessed?

There are three different stages, and they are listed below;

Stage 1:

Documentary Evidence Assessment

We will examine your documentation to make sure it satisfies the training and employment standards and proves you have the required expertise, experience, and knowledge to work as an air conditioning and refrigeration mechanic.

Below is information regarding the documentation, training, and employment requirements:

  • For more evidence and proof to be included with your application, get information on our Evidence guide.
  • For more information about the employment experiences and work activities for the Pathway 1 application, visit our  Pathway 1 Employment Experience Guidelines.
  • For more information on Pathway 2 assessment, employment, and experience visit Pathway 2 Candidate Guide. 

Stage 2:

Technical Interview

Technical interview includes all the questions related to your work experiences, credit working hours, and the whole time performance you give in your profession. After completion of stage 1, there will be a technical interview with our assessor. It is an interview to evaluate your technical proficiency for the position as well as the scope and depth of your expertise in your area of interest. Technical interviews are also intended to evaluate your abilities to communicate, solve problems, and think under pressure. For more information, read the Technical Assessment Guide. 

Stage 3:

Practical Assessment

Practical Assessment includes real-time learning and working practices. After successful completion of stage 2, You will be evaluated by an assessor through a Practical Assessment in which you will carry out a number of tasks related to the workplace that showcase your trade abilities. They are employed in face-to-face evaluations to exhibit practical task understanding. Practical evaluations provide unambiguous proof of knowledge as well as skill and behaviour performance.

For more information on Stage 3, see the Technical Assessment Guide.

Need of skills and knowledge

UEE32220 Certificate III in Air Conditioning and Refrigeration is the relevant qualification for this occupation.

For the better placement and promotions you must demonstrate your knowledge and skills in the competency list below . Each unit defines the unique platform in the trade where you can choose based on your knowledge and skills required in Australian workplaces.

Core Units




Apply work health and safety regulations, codes and practices in the workplace.


Document and apply measures to control WHS risks associated with electrotechnology work


Fabricate, assemble and dismantle utility industry components.


Fix and secure electrotechnology equipment.


Solve problems in ELV single-path circuits.


Use drawings, diagrams, schedules, standards, codes and specifications.


Participate in refrigeration and air conditioning work and competency development activities.


Diagnose and rectify faults in air conditioning and refrigeration control systems.


Establish the basic operating conditions of air conditioning systems.


Establish the basic operating conditions of vapour compression systems.


Find and rectify faults in single-phase motors and associated controls.


Find and rectify faults in three-phase motors and associated controls.


Install refrigerant pipe work, flow controls and accessories.


Install, commission, service and maintain air conditioning systems.


Install, commission, service and maintain low-temperature systems.


Install, commission, service and maintain medium-temperature systems.


Prepare and connect refrigerant tubing and fittings.


Recover and charge refrigerants.


Safely handle refrigerants and lubricants.


Select refrigerant piping, accessories and associated controls.


Solve problems in low-voltage refrigeration and air-conditioning circuits.


Verify functionality and compliance of refrigeration and air conditioning installations.


Apply environmentally and sustainable procedures in the energy sector.


Apply environmentally and sustainable procedures in the energy sector.


Attach cords and plugs to electrical equipment for connection to a single phase 230 Volt supply.


Attach cords, cables and plugs to electrical equipment for connection to 1000 V a.c. or 1500 V d.c.


Disconnect – reconnect electrical equipment connected to low voltage (LV) installation wiring


Locate and rectify faults in low voltage (LV) electrical equipment using set procedures.

Elective Units




Apply safety awareness and legal requirements for carbon dioxide refrigerant.


Apply safety awareness and legal requirements for flammable refrigerants. 


Resolve problems in industrial refrigeration systems.


Repair and service of carbon dioxide refrigeration systems.


Resolve problems in central plant air conditioning systems.


Service and repair self-contained flammable refrigerants, air conditioning, and refrigeration systems.


Repair and service secondary refrigeration systems.

All required and elective competency units must be completed successfully. 

NOTE:  denotes a prerequisite that must be met before moving on to a unit.

What is an Offshore Technical Skills Record (OTSR)?

When someone passes the practical skills assessment for the UEE32220 Certificate III in Air Conditioning and Refrigeration, VETASSESS issues them with an OTSR, which is a type of technical skills documentation. 

To receive a full license and a UEE32220 Certificate III in Air Conditioning and Refrigeration, you will need to undertake:

  • a period of supervised employment in your trade and
  • A minimum Australian context gap training.


  • To request a skills assessment, you must contact a registered training organization (RTO) that has been recognized by the TRA. An Offshore Technical Skills Record (OTSR) will be given to you if you pass.
  • As part of the trainee requirements, you will have to send a copy of your OTSR to the Australian Refrigeration Council. After that, you may apply for a trainee license.
  • This will enable you to complete your gap training while working under supervision.
  • A letter regarding your application for a visa from the Department of Home Affairs will also be sent to you.

Following your successful completion of the gap training and receipt of a Statement of Attainment from the RTO, you have the following options:

  • Apply for your Certificate III qualification from the RTO where you finished your gap training. After that, you can apply for a complete license by presenting this qualification to the appropriate licensing authority.
  • Apply to VETASSESS for your Certificate III qualification.
  • After reviewing your gap training records, VETASSESS will provide you with the necessary Certificate III qualification. To obtain a complete license, you can show this qualification to the appropriate licensing authority.

Note that in addition to possible extra requirements, VETASSESS will charge an administrative fee for providing the qualification. 

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