Refrigeration and Air Conditioning Systems Mechanic

TQAA, Compulsory Certified Trade, Designated Red Seal Trade


  • 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

Personal Qualities

  • You may be required to work in cramped areas or on roof tops
  • You may work outside at various times of the year
  • You will climb up and down ladders
  • You have the stamina to be on your feet for long periods of time
  • You are safety conscious
  • You need to be in good physical condition to carry materials
  • Review the Essential Skills profile for additional qualities required

Career Opportunities

  • Work is performed in restaurants, supermarkets, hospitals or anywhere cooling systems are required
  • Small, medium and large companies and contractors employ refrigeration and air conditioning mechanics on a variety of projects in the residential, commercial and industrial sectors
  • A significant portion of journeypersons are employed as unionized workers
  • Many refrigeration and air conditioning mechanics have their own business

Educational/Training Requirements

  • The minimum entry for apprenticeship is Grade 10; however, many employers and unions require Grade 12
  • Completion of a 5 year apprenticeship program at 1,800 hours per year
  • If you have completed 9,000 hours of on the job experience/training but have not completed the apprenticeship program you may be eligible to challenge the Certificate of Qualification
Students & Parents: Speak with your guidance counsellor today to register for OYAP.