Job Description
Air Conditioning & Refrigeration Apprentice - 2nd/3rd/4th year
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Air Theory / Treadies HVAC & R
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Air Conditioning & Refrigeration Apprentice | HVAC
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Air Theory / Treadies HVAC & R
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Start your career in HVAC with exposure to engineering, specialist systems and high-end projects.
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Air Theory / Treadies HVAC & R is looking for a motivated Air Conditioning & Refrigeration Apprentice to join our growing mechanical services team.
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This is an prospect to complete your Certificate III in Air Conditioning and Refrigeration while gaining hands‐on experience across commercial HVAC, high-end residential projects, ventilation, refrigeration, controls, commissioning and specialist mechanical installations.
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We are looking for someone who wants more than just a trade qualification.
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We want to develop technicians who understand how and why mechanical systems work, and who are interested in building a long-term career in the HVAC and mechanical services industry.
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What You'll Be Working On
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You will work alongside experienced tradespeople, project managers and mechanical engineers across a range of projects, including:
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Commercial air conditioning and refrigeration
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High‐end residential and architectural HVAC projects
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Commercial mechanical services installations
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Refrigeration systems
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Mechanical ventilation and fresh air systems
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Heat recovery ventilation systems
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Ductwork and pipework installations
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Split, ducted, VRF and commercial HVAC systems
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Controls, sensors and building automation
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Testing and commissioning
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Fault finding and diagnostics
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Equipment installation and system upgrades
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Specialist mechanical installations
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You will also gain exposure to mechanical drawings, specifications, system design and the engineering principles behind modern HVAC systems.
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What You'll Learn
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Throughout your apprenticeship,



you will develop skills in:
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Air conditioning and refrigeration
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Commercial HVAC systems
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Refrigeration principles
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Mechanical ventilation
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Reading mechanical drawings and schematics
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Pipework and ductwork installation
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Electrical and control systems
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Testing and commissioning
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Fault finding
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HVAC controls and sensors
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Mechanical system design principles
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Energy‐efficient HVAC systems
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Indoor air quality and ventilation
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Professional commercial construction practices
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Our goal is to help you become a technician who can think, troubleshoot and understand complete mechanical systems — not simply install equipment.
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Who We're Looking For
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We are looking for someone who is:
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Interested in air conditioning, refrigeration and mechanical systems
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Curious about engineering, technology and how buildings work
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Practical and comfortable working with tools
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Reliable and willing to learn
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Able to take direction and work as part of a team
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Comfortable asking questions and learning new systems
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Proud of the quality of their work
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Interested in building a long‐term career in HVAC
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Qualified when working on commercial and high‐end projects
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You do not need previous HVAC experience.
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We are more interested in attitude, curiosity, work ethic and willingness to learn.
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An interest in engineering, electrical systems, construction, mechanics, technology or building services will be highly regarded.
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What We Offer
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A nationally recognised Air Conditioning & Refrigeration apprenticeship
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Exposure to commercial and high‐end HVAC projects
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Training across air conditioning, refrigeration and ventilation
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Experience working alongside qualified technicians and mechanical engineers
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Exposure to controls, commissioning and specialist mechanical systems
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Career progression within a growing mechanical services company
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A varied working environment rather than repetitive installations
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Ongoing technical development and training
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Opportunity to build a career beyond the trade qualification
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Where This Career Can Lead
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Air conditioning and refrigeration is becoming increasingly technical.
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Modern buildings require technicians who understand refrigeration, ventilation, controls, commissioning, energy efficiency and building performance.
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For the right person, this apprenticeship can become the foundation for a career in:
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Air Conditioning & Refrigeration to Service & Commissioning to Controls to Project Management to Estimating to Mechanical Design to Engineering
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We actively encourage our apprentices to continue developing their technical knowledge and career beyond completing their trade.
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About Air Theory / Treadies
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Air Theory and Treadies HVAC & R operate across the Australian air conditioning, refrigeration and mechanical services industry.
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Our work includes commercial HVAC, high‐end residential projects, mechanical ventilation, refrigeration and specialist mechanical installations.
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We combine practical trade knowledge with engineering, building science and modern HVAC technology to deliver high-quality mechanical systems.
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We believe the future of our industry belongs to technicians who can understand systems, solve problems and take pride in their work.
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📌 Air Conditioning & Refrigeration Apprentice - 2Nd/3Rd/4Th Year (New South Wales)
🏢 Treadies HVAC
📍 New South Wales