What Sets us Apart?
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Specialist Installers – We focus exclusively on the installation of mechanical HVAC systems, ductwork, and refrigeration pipework, delivering clean, compliant installs that integrate seamlessly with your broader project.
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Built for Commercial Construction – We understand the demands of commercial projects and work closely with builders, developers, hospitals, and contractors to keep things moving on time and to spec.
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Reliable, Scalable Team – With a large and experienced install team, we're equipped to deliver consistent, high-quality results. Whether it's a mid-size fit-out or a multi-stage development.
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On-Time, No-Fuss Delivery – We pride ourselves on efficient site coordination, clear communication, and professional handovers, helping you stay on schedule without compromising on quality.
Mechanical Install Experts for WA’s Commercial Projects
Specialising in HVAC, Ductwork & Pipework Installation Across All Project Sizes.
At Combined Refrigeration Systems, we specialise in the installation of commercial HVAC systems, mechanical ductwork, and pipework across Western Australia. As a trusted mechanical subcontractor, we work alongside builders, developers, and contractors to deliver high-quality, efficient installs on projects of all sizes, on time and to spec.
Where we service
At Combined Refrigeration Systems, we deliver high-quality mechanical installation services across Western Australia. Whether your project is based in metro Perth or a regional area, our team is equipped to handle complex, large-scale installations with precision and efficiency.
Our Key Service Areas:
Perth Metro & Surrounds – We work with commercial builders, contractors, and developers throughout the Perth region, delivering reliable installation of HVAC systems, ductwork, and pipework on time and to specification.
Regional WA – Our experienced team supports commercial and industrial projects in regional and remote parts of the state, including healthcare, mining, and infrastructure developments.
New Builds & Commercial Fit-Outs – From ground-up developments to large-scale refurbishments, we specialise in mechanical installation packages for new commercial construction and internal upgrades.