Airconditioning and Mechanical Services Plumber (ANZSCO 334112)

On the Medium and Long-term Strategic Skills List and Core Skills Occupation List

From the official Home Affairs skilled occupation lists, as at 2026-08-12. Lists change at each government update — always confirm on the official page before acting.

Which lists is Airconditioning and Mechanical Services Plumber on?

MLTSSL — Medium and Long-term Strategic Skills List. The widest list — occupations on the MLTSSL can access the points-tested permanent skilled visas including the Skilled Independent visa (subclass 189), which needs no state nomination or employer.

CSOL — Core Skills Occupation List. The employer-sponsorship list — occupations on the CSOL can be nominated for the Skills in Demand visa (subclass 482) and the Employer Nomination Scheme 186.

Visas this occupation can access

Being on a list makes the occupation nominatable for these visas — each visa still has its own requirements (points, age, English, a positive skills assessment, and for sponsored visas a willing employer or state).

Skills assessment

A positive skills assessment for Airconditioning and Mechanical Services Plumber comes from:

What the assessment actually involves

NSW names air-conditioning work directly among the trades it will not recognise on an overseas qualification alone: its overseas-applicants page groups "electrical work, plumbing, draining and gasfitting, and air-conditioning and refrigeration mechanical services" together as licensed occupations, stating up front that "qualifications from outside Australia are not recognised for contractor licences or certificates in NSW." TRA's own assessment criteria for this specific plumbing code could not be checked here — its site did not resolve — but the Offshore Technical Skills Record its Offshore program issues is described by NSW as certifying only that the technical requirements of a Certificate III have been "partially met."

Where these applications come unstuck

The trap is treating this as a general plumbing code rather than the mechanical-services-specific one it is. It sits alongside five other 2022-era plumbing codes — Drainer, Gasfitter, Roof Plumber, Plumber (General) and Fire Protection Plumber — each covering distinct scoped duties, and NSW's own licensing framework treats air-conditioning and refrigeration mechanical services as its own recognised category rather than folding it into general plumbing. Nominating this code on the strength of general plumbing experience, without air-conditioning-specific duties in the evidence, risks a mismatch between the code and the work history behind it.

An honest read on this pathway

Airconditioning and Mechanical Services Plumber sits on both MLTSSL and CSOL with the full visa spread, so the list position is strong. NSW is explicit that this is one of the licensed trades where "qualifications from outside Australia are not recognised" without a further state process — the OTSR from TRA's offshore program is described as a partial Certificate III equivalent, not a finished one, and NSW requires both Australian context gap training and a period of supervised employment on top of it before a full licence is reachable.

Going through Trades Recognition Australia? TRA pathways lean heavily on documented work history and evidence of on-the-job experience. The Employment History Builder reconstructs it with gap detection, so the record you submit holds together.

Talk it through with a registered agent

Whether nominating Airconditioning and Mechanical Services Plumber is your best route depends on your points, experience evidence and timing — exactly what a MARA-registered agent works through in an initial consultation. Describe your situation once through Migratio and compare real consultation quotes from registered agents, free.

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