Refrigeration and air conditioning mechanics (NOC 7313)

Job titles

  • air conditioning and heating mechanic
  • air conditioning and refrigeration mechanic
  • apprentice refrigeration and air conditioning mechanic
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Nature of work

Refrigeration and air conditioning mechanics install, maintain, repair and overhaul residential central air conditioning systems, commercial and industrial refrigeration and air conditioning systems and combined heating, ventilation and cooling systems. They are employed by refrigeration and air conditioning installation contractors, various industrial settings, food wholesalers, engineering firms and retail and servicing establishments. Transport refrigeration mechanics are included in this unit group.

Fields of interest

  • Carrying out tests or trials, process control
  • Making or building things, constructing, doing repairs, and performing installations
  • Working in transportation and maintenance
  • Working with your hands

Main duties

  • Refrigeration and air conditioning mechanics perform some or all of the following duties:
  • - Read and interpret blueprints, drawings or other specifications
  • - Measure and lay out reference points for installation
  • - Assemble and install refrigeration or air conditioning components such as motors, controls, gauges, valves, circulating pumps, condensers, humidifiers, evaporators and compressors using hand and power tools
  • - Measure and cut piping, and connect piping using welding and brazing equipment
  • - Install, troubleshoot and overhaul entire heating, ventilation, air handling, refrigeration and air conditioning systems
  • - Start up system and test for leaks using testing devices
  • - Recharge system with refrigerant, check and test regulators, calibrate system and perform routine maintenance or servicing
  • - Repair and replace parts and components for entire refrigeration, air conditioning, ventilation or heat pump systems
  • - May install, maintain and repair equipment in refrigerated trucks used to transport food or medical supplies
  • - May prepare work estimates for clients.

Main characteristics of the occupation

Employment requirements

  • * Completion of secondary school is usually required.
  • * Completion of a three- to five-year apprenticeship program or A combination of over five years of work experience in the trade and some high school, college or industry courses in refrigeration and air conditioning repair is usually required to be eligible for trade certification.
  • * Trade certification for refrigeration and air conditioning mechanics is compulsory in Nova Scotia, New Brunswick, Quebec, Ontario, Manitoba, Saskatchewan and Alberta and available, but voluntary, in all other provinces and the territories.
  • * Trade certification for transport refrigeration mechanics is available, but voluntary, in New Brunswick, Alberta and British Columbia.
  • * Red Seal endorsement is also available to qualified refrigeration and air conditioning mechanics upon successful completion of the interprovincial Red Seal examination.

Skill type

  • Trades, transport and equipment operators and related occupations

Skill level

  • Technical

More information

  • * The Red Seal endorsement allows for interprovincial mobility. Additional information from Emploi-Québec: Under the Agreement on Internal Trade, a worker holding certification in a regulated trade has access to interprovincial labour mobility, whether or not the worker’s certification bears a Red Seal endorsement.
  • * Progression to supervisory positions is possible with experience.

Professional associations

  • Corporation des entreprises de traitement de l'air et du froid
  • 6555, boul. Métropolitain Est, bureau 203
  • Montréal, QC
  • H1P3H3
  • Toll free: 1-866-402-3823
  • Phone: 514-735-1131
  • Fax: 514-735-3509
  • Email: