Physical and Engineering Science Technicians I

How to become an air-conditioning or Refrigeration engineering technician

Official title: Air-conditioning/Refrigeration engineering technician

Also called: Air-conditioning and refrigeration engineering technician, Air-conditioning engineering technician, Cryonics engineering technician, Heating, ventilation and air-conditioning (HVAC) systems technician, Refrigeration engineering technician, Ventilation engineering technician, Heating, ventilation and air-conditioning (HVAC) systems technician

Air-conditioning/Refrigeration engineering technician performs technical tasks, normally under the direction of a heating, ventilation, and refrigeration engineer, contributory to design, development, manufacture, installation, maintenance and repair of systems and equipment for heating, ventilation, air-conditioning and refrigeration. He/she specialises in field systems and equipment for heating and air-conditioning in industrial, commercial, residential and public buildings, ice-making and cooling storage rooms.

Main tasks

Providing technical assistance in research on and development of machines and mechanical installations, facilities and components, or testing prototypes, excluding transport equipment
Designing and preparing layouts of machines and mechanical installations, facilities and components according to the specifications given
Preparing detailed estimates of quantities and costs of materials and labour required for manufacture and installation according to the specifications given
Monitoring technical aspects of manufacture, utilisation, maintenance and repair of machines and mechanical installations, facilities and components to ensure satisfactory performance and compliance with specifications and regulations
Assembling and installing new and modified mechanical assemblies, components, machine tools and controls, and hydraulic power systems
Conducting tests of mechanical systems, collecting and analysing data, and assembling and installing mechanical assemblies in support of mechanical engineers
Ensuring that mechanical engineering designs and finished work, excluding those related to transport equipment, are within specifications, regulations and contract provisions

Pay · Outlook · AI and this job

Median pay: $49,692 a year. The middle half earn $34,800 to $69,000 a year.
Generative AI can do relatively little of this work, by the ILO's global estimate.

Questions people ask

How much does an air-conditioning or Refrigeration engineering technician earn in Singapore?

Median full-time pay is $49,692 a year (Ministry of Manpower (via data.gov.sg)). The middle half earn $34,800 to $69,000.

Will AI change the work of an air-conditioning or Refrigeration engineering technician?

Generative AI can do relatively little of this work, by the ILO's global estimate.

Sources

Ministry of Manpower (via data.gov.sg): Resident Occupational Wages (Occupational Wage Survey) (June 2024 (data.gov.sg update 2026-04-01)), Singapore Open Data Licence v1.0, 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