CO2 Refrigeration Systems Commissioning
Specialists in CO₂ Refrigeration Commissioning
At Freelance Refrigeration, we’re one of the few Sydney-based companies offering full in-house CO₂ commissioning, no outsourcing, no delays. Our specialist works directly with our install teams to pressure-test, calibrate, and optimise every system for peak performance and compliance.
Whether you’re upgrading to R744 or planning a new build, our turnkey approach helps future-proof your refrigeration plant with:
- Reduced downtime during commissioning
- Lower operating costs through system optimisation
- Full compliance with Australian refrigerant regulations
- Greater system reliability & lifespan
- Environmentally responsible technology (natural refrigerant – R744)
Understanding CO₂ Refrigeration
What is CO₂ Refrigeration?
CO₂ refrigeration, also known as R744 refrigeration, is fast becoming the future of sustainable cooling. It uses carbon dioxide as a natural refrigerant and delivers high efficiency in both cooling and heating applications. This technology is gaining momentum across commercial and industrial sectors thanks to its environmental advantages and reliable performance.
As industries move toward greener practices, CO₂ systems offer a practical alternative to traditional refrigerants. However, without expert setup, they can suffer from energy waste, inconsistent cooling, and costly maintenance.
When properly commissioned, CO₂ systems provide stable temperatures, long-term efficiency, and full compliance with Australian regulations making them ideal for applications such as food processing, cold storage, and air conditioning.
Why Expert Commissioning Matters
A CO₂ refrigeration commissioning specialist is responsible for the installation, service, and commissioning of CO₂ refrigeration systems. They ensure that systems operate efficiently and meet all operational requirements, including preventive maintenance and system performance checks. Correct commissioning is the key to unlocking the full potential of CO₂ systems. Commissioning ensures:
- Reduced downtime during setup
- Lower operating costs through system optimisation
- Full compliance with Australian refrigerant regulations
- Greater system reliability and lifespan
In-House Commissioning Expertise
With deep expertise in both transcritical and subcritical CO₂ technologies, we ensure every system is precisely calibrated for optimal efficiency, reliability, and compliance.
Unlike contractors who outsource commissioning, we manage it entirely in-house. Our specialist works side-by-side with our installation teams to pressure-test, tune, and verify each plant to AS/NZS standards. This integrated approach speeds up delivery, strengthens quality control, and ensures seamless handover.
From design and installation to commissioning and aftercare, we offer a complete solution, all under one roof.
Full-Service Refrigeration Engineering Partner
Freelance Refrigeration is a full-service refrigeration engineering partner. From system design and equipment selection to commissioning, fault finding, and long-term maintenance, we deliver end-to-end solutions for your site, budget, and compliance needs. Our in-house expertise in CO₂ systems, pressure testing, and AS/NZS standards ensures every project is completed safely, efficiently, and to the highest technical standard. Whether you’re building new or upgrading existing infrastructure, we provide the hands-on support and engineering insight to keep your refrigeration running at its best.
Fault Finding and Repairs
Our specialists provide precise fault diagnosis and repairs for CO₂ refrigeration systems, including transcritical setups and traditional ammonia-based plants. We identify issues affecting performance from valve faults to chiller inefficiencies, and deliver tailored solutions that restore reliability and energy efficiency.
We also prioritise preventive maintenance, helping you catch problems early and minimise downtime. With deep expertise in natural refrigerants and system design, we ensure your cooling systems meet sustainability goals and operate at peak performance.
Trust Freelance Refrigeration to keep your plant running smoothly, efficiently, and in full compliance.
CO₂ Rack System Installation and Repairs
Freelance Refrigeration also offers expertise in CO₂ rack systems from precision installation to fault diagnosis and repair. Our specialist is trained in the complexities of transcritical and subcritical setups, including booster racks, gas coolers, and high-pressure components.
Whether commissioning a new plant or troubleshooting an existing system, we deliver fast, reliable service backed by hands-on experience and a strong understanding of CO₂ control logic, safety protocols, and compliance standards.
We specialise in:
- Fault diagnosis, system upgrades, and responsive repairs
- Transcritical and subcritical CO₂ rack systems
- Booster racks, gas coolers, and high-pressure components
Our team supports every stage of your system’s lifecycle ensuring safe operation, long-term reliability, and full regulatory compliance.
Installation of Transcritical CO₂ Heat Pump Systems
Transcritical CO₂ heat pumps offer high-efficiency heating and cooling using carbon dioxide as a natural refrigerant. Ideal for food processing, industrial refrigeration, and HVAC applications, these systems operate above the critical point to deliver consistent performance and energy savings.
Installing and commissioning transcritical CO₂ systems requires specialist expertise to ensure safe operation, compliance, and long-term reliability. That’s where Freelance Refrigeration comes in — we provide in-house commissioning, tailored system design, and ongoing support to help businesses maximise efficiency and meet sustainability goals.
Whether you’re upgrading an existing plant or planning a new installation, we deliver the technical insight and hands-on service needed to get the most from your CO₂ system.
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