Industrial HVAC/R Technician — NH3/CO2 Systems

Zero-C; Laval; On-site; CAD 55,000 - 75,000; Full time

Job summary

Zéro-C in Laval, QC, is seeking an HVAC/R Service Refrigeration Technician to diagnose, maintain, and restart industrial systems using NH3, CO2, and HFC refrigerants. You will collaborate with our technical team to ensure reliability, safety, and performance for diverse installations.

You will read schematics, perform preventive and corrective maintenance, repair compressors, install components, and participate in commissioning and start-ups, with training provided where needed.

Qualifications

• Relevant experience in HVAC/R service, maintenance, or controls.
• Valid driver’s license.
• Autonomy, resourcefulness, and ability to work on the road.
• Strong interest in NH3 and CO2 refrigeration systems.

Responsibilities

• Work on industrial HVAC/R systems using NH3, CO2, and HFC refrigerants to ensure optimal performance.
• Diagnose mechanical and electrical failures to restore equipment to service quickly and efficiently.
• Perform preventive and corrective maintenance to extend the lifespan of installations.
• Repair NH3 reciprocating and screw compressors; training provided if required.
• Install or replace components such as compressors, condensers, motors, and heat exchangers to maintain system compliance and efficiency.
• Read and interpret technical plans and schematics to carry out work accurately.
• Perform adjustments, testing, commissioning, and final start-ups to ensure system performance.
• Contribute to continuous improvement initiatives to optimize service practices and field interventions.
• Perform other related duties as required.

Job description

Contribute to the service and troubleshooting of commercial HVAC/R systems.

Are you looking for a position where your technical expertise is put to work on large-scale industrial systems? Do you enjoy diagnosing, repairing, and optimizing NH₃, CO₂, and HFC refrigeration systems?Then this role is made for you!

At Zéro-C, innovation is part of our DNA. Since 1969, our company has stood out in refrigeration, air conditioning, and ventilation across the commercial, institutional, and industrial sectors.

Here, your mission as an HVAC/R Service Refrigeration Technicianwill be to diagnose, maintain, and restart industrial HVAC/R systems while collaborating with the technical team to ensure the reliability, safety, and performance of our clients’ installations.

Does this opportunity speak to you? We invite you to read on!

• Work on industrial systems using NH₃, CO₂, and HFC refrigerants to ensure optimal performance.
• Diagnose mechanical and electrical failures to restore equipment to service quickly and efficiently.
• Perform preventive and corrective maintenance to extend the lifespan of installations.
• Repair and maintain NH₃ reciprocating and screw compressors to ensure their reliability and performance (training provided if required).
• Install or replace components such as compressors, condensers, motors, and heat exchangers to maintain system compliance and efficiency.
• Read and interpret technical plans and schematics to carry out work accurately.
• Perform adjustments, testing, commissioning, and final start-ups to ensure industrial system performance.
• Contribute to continuous improvement initiatives to optimize service practices and field interventions.
• Perform other related duties as required.

Your background and your strengths

• Relevant experience in HVAC/R service, maintenance, or controls.
• Valid driver’s license.
• Autonomy, resourcefulness, and ability to work on the road.
• Strong interest in NH3 and CO₂ refrigeration systems.
• Like us, you value commitment, trust, rigor, integrity, and respect.

What we offer you

• Signing bonus for journeymen with two or more years of experience.
• Corporate clothing and personal protective equipment provided.
• Service truck, cell phone, and specialized tools supplied.
• Ongoing training on new technologies and energy efficiency.
• 24/7 technical support.
• Work environment that promotes work-life balance.
• Opportunities to work throughout Quebec and certain regions of Canada (travel accommodations provided).
• Occupational health and safety.
• Company-sponsored events.

Ready for your next adventure? We can’t wait to meet you.