Mechanical services air-conditioning and refrigeration licence - Queensland


You will need this licence to provide mechanical services related to air-conditioning and refrigeration. There are three related licence classes: unlimited design, limited design and occupational.

Limited and unlimited design licences will allow you to undertake the following building work:

  • constructing, installing, replacing, repairing, altering, maintaining, testing or commissioning a mechanical ventilation system in a building
  • mechanical services work involving a relevant activity
  • installation of fire collars that is incidental to work mentioned above.

A relevant activity means constructing, installing, replacing, repairing, altering, maintaining, testing or commissioning any of the following for a building:

  • air-conditioning
  • air handling systems
  • equipment in which a refrigerant gas is to be used
  • refrigeration.

A limited licence allows you to design and prepare plans and specification for air-conditioning and mechanical ventilation and air handling systems for a building, provided the building is no more than 3 storeys, 2000 metres squared and the plant capacity for any one system for the building is no more than 34kW. An unlimited licence is not limited by these constraints. Both licences require the prepared specifications and plans to be used for the licensee's personal use and in the building work performed by the licensee personally.

You can apply for this licence as a:

  • contractor - allows you to perform, supervise and enter into contracts for building work
  • company - allows a company to contract for and perform building work, provided a person is nominated as a supervisor
  • nominee supervisor - allows you to supervise work on behalf of a licensed company, but not to contract out individually or perform building work
  • site supervisor - allows you to supervise work on behalf of a licensed contractor, but not to contract out, perform building work, or be appointed as a nominated supervisor for a company
  • occupational - allows you to carry out mechanical services work as an employee of a contractor licensed in the same licence class.

You can undertake incidental work outside your licence class to finish a job, provided the total value of the work does not exceed $3,300. The value of the building work includes all labour and material costs and should be included in your contract.

Service type


A licence defines the need to obtain recognition / certification and registration to undertake a certain business activity.

Eligibility requirements

Your requirements will vary depending on your class of licence. To be eligible, you will need to meet the appropriate:

  • technical requirements
  • experience requirements
  • managerial requirements
  • financial requirements.

If you do not meet the technical qualifications, you may be able to obtain one through recognition of prior learning (RPL) by a registered training organisation (RTO). Please see the attached resources for specific information on these requirements.

If you are an interstate applicant, you may be eligible to obtain a licence through mutual recognition. If you are an international applicant, you may have to have an overseas qualification assessed for equivalency prior to applying.

You will need an occupational licence to perform any mechanical services work if you are an employee of a licence holder and completed your apprenticeship after 1 January 2020.


1 or 3 years


Fees Details for this service in table format.

Task Type Business Structure Description
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You can find the current fees here.

Application process


To apply for this licence, you will need to fill out the application form, building and designer experience form and complete the referee report, providing:

  • details of your experience
  • evidence of your qualifications
  • written references
  • financial information showing that you meet the minimum financial requirements (for contractor types only)
  • proof of identity
  • a current copy of your Record of Registration form from ASIC, if you are contracting under a trading name
  • if you are contracting under a partnership, proof of the business partnership
  • the applicable fees.

Approval time

Applications can take between 6 and 12 weeks to be processed, depending on their complexity


This licence cannot be transferred.

Administering agency

Queensland Building and Construction Commission

Contact details

Contact Email, Phone and Address Details for this service in simple two column table format, header then data.