Diagnose commercial refrigeration systems as a Refrigeration Apprentice with Major Refrigeration Ltd. across the Barrie, London, Sarnia, or Owen Sound area.
This 313A Refrigeration and Air Conditioning Systems Apprentice role supports commercial and industrial service, maintenance, and troubleshooting. You will work with refrigeration equipment, rooftop units, gas heating, airflow principles, and HVAC/R schematics. Major Refrigeration Ltd. delivers refrigeration, HVAC, controls, and energy solutions across Canada.
Key Responsibilities: Diagnose, troubleshoot, service, and repair refrigeration equipment
Service and repair commercial and industrial rooftop units
Perform preventative maintenance and equipment inspections
Read and interpret HVAC/R schematics and blueprints




Complete work safely under applicable codes and standards
Requirements: 313A Refrigeration and Air Conditioning Systems Apprentice
Minimum two years commercial Refrigeration/HVAC experience
Solid diagnostic and troubleshooting skills
ODP certification and valid driver’s license required
Ability to manage service calls independently and work overtime
Apply refrigeration troubleshooting, maintenance, and service skills across commercial sites with Major Refrigeration Ltd. as an apprentice.

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📌 Refrigeration Apprentice Commercial Service (Ontario)
🏢 MAJOR REFRIGERATION
📍 Ontario