

Delivering Quality.
Delivering Excellence.
CTM O’Connors is proudly in partnership with Innotech to provide Building Automation Controls & Software for HVAC & Energy Management Systems.​

CTM Refrigeration and Airconditioning (CTM) has been operating in Darwin, NT since 1980, and are a proud Territorian company. Specialising in the supply, design, engineering, construction, installation, servicing, and maintenance of airconditioning and refrigeration mechanical systems, our team has extensive experience working on all aspects of HVAC systems and related equipment.
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We are an industry specialist who provides design and construct services to commercial, industrial, domestic, defence, health and the education sectors, throughout Darwin, Palmerston and rural areas.
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We specialise in the delivery of large and small projects, without compromise on quality and project outcomes. Our team offers a ‘can-do’ attitude and is available to assist on all technically led projects; no matter the size or complexity.
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We deliver end-to-end project management services, ensuring we meet the time, deliverables and cost requirements of any mechanical services project we are engaged on.
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We are committed to implementing effective site safety practices and undertaking detailed project planning and preparation to deliver quality outcomes. We pride ourselves on our ability to find innovative solutions to any complex, technical issue, tailoring our solution to the unique needs of each project.​​
Our Service and Maintenance team have extensive experience providing preventative and reactive HVAC mechanical services to various industries.
We provide 24/7 after-hours call out service for account based customers, ensuring your peace of mind knowing your assets will be looked after and any critical breakdowns can be attended to at any time of the day or night.
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Our team are trained in, and have considerable knowledge of, various HVAC systems including chillers, Daikin VRV systems, beer lines, cool rooms, data rooms with critical temperature and humidity control and high-security areas.​



