HVAC Technician – Apprentice or Journeyperson

About DNM Group

At DNM Group, we build more than structures — we build trust, opportunity, and lasting impact. Our companies are known for their precision, integrity, and performance across the construction, mechanical, and industrial sectors. With a strong foundation in operational excellence and a "Safety First" culture, DNM continues to grow as one of Northern Ontario's most dynamic multi-trade service providers.

Located in Sault Ste. Marie, Ontario ("The SOO" – that's how we nicknamed our beloved city), our team enjoys the best of both worlds: rewarding careers in a diverse and growing multi-industry business, and an exceptional quality of life outside of work. The SOO – that's where we LIVE–WORK–PLAY:

Live – An inviting, family-focused city with excellent cost of living, very affordable housing, short commutes, and a welcoming community make Sault Ste. Marie an ideal place to call home.

Work – With a strong economy and DNM's commitment to growth, innovation, and teamwork, you'll be supported to build your career while contributing to impactful projects in a dynamic environment.

Play – Nestled on the shores of Lake Superior and surrounded by stunning natural landscapes, Sault Ste. Marie is a four-season playground for hiking, skiing, fishing, and outdoor adventure—complemented by a vibrant arts and cultural scene.

Sault Ste. Marie offers the perfect balance of affordability, opportunity, and lifestyle, making it an ideal place to build a career, raise a family, and enjoy the best of Canada's great outdoors. And at DNM, you'll find more than a job—you'll discover a place where career opportunity meets lifestyle balance

The Opportunity

We're seeking HVAC Technicians — both experienced Apprentices and licensed Journeypersons — to join our growing Heating & Cooling Division at DNM Group. This position plays a key role in delivering high-quality installation, service, and maintenance of HVACR systems across residential, commercial, and light industrial environments. Whether you're a certified Journeyperson or an Apprentice who's already gained practical field experience, you'll be part of a team that values professionalism, safety, and technical excellence. Our ideal candidates take pride in their work, have strong mechanical aptitude, and are eager to continue developing their craft within a supportive, team-oriented environment.

Key Responsibilities

Installation & Commissioning

• Install, service, and commission HVACR systems, including furnaces, air conditioners, rooftop units, heat pumps, and ductwork.
• Assist with or independently complete layout, measurement, cutting, and assembly of pipes, fittings, and ducting according to specifications.
• Verify system performance through testing, balancing, and commissioning procedures.
• Read and interpret blueprints, schematics, and technical drawings accurately.

Maintenance & Repair

• Perform or assist with preventive maintenance on HVAC systems, including cleaning coils, changing filters, and inspecting electrical components.
• Diagnose and repair mechanical and electrical faults under supervision or independently (depending on experience).
• Conduct system checks, component replacements, and repairs to maintain operational efficiency and compliance.
• Maintain clear documentation and service records through DNM's electronic reporting tools.

Safety & Compliance

• Follow all DNM and OHSA safety policies and procedures.
• Ensure compliance with Ontario Building Code, TSSA, and CSA standards.
• Use appropriate PPE and maintain a clean, organized, and safe work environment.
• Participate in toolbox talks, safety meetings, and mandatory training.

Teamwork, Mentorship & Communication

• Collaborate closely with Field Supervisors, Journeypersons, and other trades to ensure smooth project delivery.
• Journeypersons: mentor apprentices by providing technical guidance, safety instruction, and quality oversight.
• Apprentices: demonstrate initiative, accountability, and growth through hands-on participation.
• Communicate clearly and professionally with clients, providing courteous and knowledgeable service.

What You Bring

Apprentice Technicians:

• Active or eligible registration with Skilled Trades Ontario as a 313A (Refrigeration and Air Conditioning Systems Mechanic) or 313D (Residential Air Conditioning Systems Mechanic).
• Prior HVAC field experience required, familiarity with installation, service, or maintenance of HVAC systems.
• Strong mechanical aptitude and understanding of trade fundamentals.
• Reliable, safety-minded, and eager to grow within a professional, multi-trade environment.
• Valid Ontario G-Class Driver's License and clean abstract.
• Working at Heights, WHMIS, and First Aid certifications required.

Journeyperson Technicians:

• Valid Certificate of Qualification (C of Q) as a 313A Refrigeration and Air Conditioning Systems Mechanic.
• Minimum 5 years of HVAC experience (including apprenticeship).
• Valid G2 Gas Technician License required; G1 considered an asset.
• Ozone Depletion Prevention (ODP) certification required.
• Strong technical proficiency in diagnostics, repairs, and system commissioning.
• Proven ability to mentor apprentices and uphold DNM's quality and safety standards.

Core Competencies

• Technical Skill & Craftsmanship: Strong understanding of HVACR systems, diagnostics, and controls.
• Safety Awareness: Consistently follows safe work practices and promotes a safety-first culture.
• Problem Solving: Uses sound judgment and analytical ability to resolve issues effectively.
• Customer Service: Professional, courteous, and solutions-oriented.
• Communication: Clear, respectful, and professional with clients and coworkers.
• Work Ethic: Reliable, punctual, and quality-driven in all aspects of the trade.
• Mentorship & Growth: (Journeypersons) Guides others; (Apprentices) Committed to learning and progressing.

Why Join DNM

• A values-driven organization where integrity, respect, and teamwork come first.
• Opportunities for professional development, advancement, and trade mentorship.
• Competitive wages, benefits, and company-provided vehicles for field use.
• A supportive culture that values people, purpose, and performance.

Apply Now

If you're a dedicated HVAC professional, whether a Journeyperson or an Apprentice with proven field experience, we want to hear from you. Join a growing team that takes pride in craftsmanship, customer service, and doing things the right way.

OUR People. OUR Future. ONE DNM