How to become an air conditioning and refrigeration mechanic
Official title: Air conditioning and refrigeration mechanics
Also called: Air conditioning equipment mechanic, Refrigeration mechanic
Air conditioning and refrigeration mechanics assemble, install, maintain and repair air conditioning and refrigeration systems and equipment.
Main tasks
- Interpreting blueprints, drawings and other specifications
- Assembling, installing and repairing components such as compressors, motors, condensers, evaporators, switches and gauges for air conditioning and refrigeration systems
- Connecting piping and equipment by bolting, riveting, welding or brazing
- Testing systems, diagnosing faults and performing routine maintenance or servicing
Ways in
- Apprenticeship: Refrigeration/Air-Conditioning Mechanic. Refrigeration/Air-Conditioning Mechanic (冷凝／空氣調節技工) is a designated trade under the Apprenticeship Ordinance (Cap. 47); the period of apprenticeship is 4 years (Cap. 47C). Apprentices sign a registered contract with an employer.
- Licence or registration: Registering body: Construction Industry Council. Law: Construction Workers Registration Ordinance (建造業工人註冊條例), Cap. 583. Summary by Peernovo; check the body's current rules.
Pay · Outlook · AI and this job
- Median pay: HK$21,000 a month
- About 387,500 people in 2025, and about 403,200 projected by 2028. (+4.1%)
- Generative AI can do relatively little of this work, by the ILO's global estimate.
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Questions people ask
How do I become an air conditioning and refrigeration mechanic?
Ways in include: Refrigeration/Air-Conditioning Mechanic.
Do you need a degree to become an air conditioning and refrigeration mechanic?
Usually not. Only 4% of people in this job hold a bachelor's degree or higher. Ways in include: Refrigeration/Air-Conditioning Mechanic.
Will AI change the work of an air conditioning and refrigeration mechanic?
Generative AI can do relatively little of this work, by the ILO's global estimate.
Sources
- Census and Statistics Department (2021 Population Census): 2021 Population Census, Interactive Data Dissemination Service: working population by occupation (38 groups) and sex, age, education, income; median income and field of education (9 groups) (2021 Population Census), retrieved 4 October 2026
- Census and Statistics Department (General Household Survey): Median monthly employment earnings by occupation (9 groups), excluding foreign domestic helpers (Table 210-06317A); employed persons by occupation, age and sex (210-06307A) and by industry (210-06308A) (2025 annual (series to 2026-07)), retrieved 4 October 2026
- Labour and Welfare Bureau; tables published by C&SD: Mid-term Update of Manpower Projection to 2028: supplementary statistical tables (5 occupation groups, 17 selected industries) (2025 to 2028 (published 2026-09)), retrieved 4 October 2026
- Census and Statistics Department: Average daily wages of workers engaged in public sector construction projects, 39 trades (Table 220-20001) (Monthly, 2021 series, 2026-07), retrieved 4 October 2026
- International Labour Organization, Generative AI and Jobs: A Refined Global Index of Occupational Exposure (ILO Working Paper 140, Gmyrek et al.) (ILO Working Paper 140, May 2025, Annex Table A1), CC BY 4.0, retrieved 4 October 2026
Updated 4 October 2026