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46 Years
experience
Emergency
services
Expert HVAC Solutions in Darwin NT
Established in 1980, CTM Refrigeration & Airconditioning has built a reputation as a trusted provider of comprehensive HVAC solutions across Darwin, Palmerston, and rural Northern Territory. Our team of qualified professionals specialises in the full lifecycle of airconditioning and refrigeration systems, from initial design and engineering to installation, servicing, and maintenance. With decades of experience serving commercial, industrial, domestic, defence, healthcare, and education sectors, we combine technical expertise with a commitment to quality and safety. Our 24/7 emergency response service ensures critical systems remain operational at all times, while our partnership with Innotech enhances our capabilities in building automation controls.

We prioritise innovative problem-solving, detailed project planning, and tailored solutions to meet the unique requirements of each client. Our extensive experience with complex systemsincluding chillers, Daikin VRV systems, data rooms, and high-security environmentspositions us as industry specialists. Through rigorous adherence to safety protocols and a client-focused approach, we consistently deliver projects on time and within budget, maintaining our status as a leading Territorian-owned mechanical services provider.
Services
Commercial Cool Rooms HVAC Installation 24/7 Emergency Repairs Building Automation Controls Ductwork Installation Industrial Refrigeration Mobile Coolrooms System Maintenance Design & Construct Chiller Services
Details
  • Year established: 1980
Highlights and features
  • 40+ years of local HVAC expertise in Darwin's unique climate
  • 24/7 emergency response for critical system breakdowns
  • Specialists in complex systems including data rooms and high-security areas
  • End-to-end project management from design to maintenance
  • Award-winning safety practices and client-focused solutions
Associations and certifications
  • Refrigerant Trading Authorisation AU59910
  • NT Building Practitioners Board 393816EM
Services
Commercial Cool Rooms
We design and install custom commercial cool rooms tailored to business requirements across Darwin and regional areas. Our solutions include panel systems, temperature-controlled environments, and high-security refrigeration units. With rapid response for repairs and maintenance, we ensure minimal operational disruption for critical storage needs.
HVAC Installation
Our team delivers complete HVAC system installations for new constructions and upgrades. Specialising in ducted systems, split systems, and industrial chillers, we coordinate with multiple trades to meet project deadlines. We ensure compliance with environmental standards during equipment replacement and disposal.
24/7 Emergency Repairs
Account holders receive priority access to our 24/7 emergency repair service for critical HVAC failures. Our technicians respond promptly to restore operations in commercial, industrial, and healthcare settings. We maintain essential systems like data room cooling and medical refrigeration around the clock.
Building Automation Controls
In partnership with Innotech, we implement advanced building automation systems for energy-efficient climate control. These solutions optimise HVAC performance across commercial properties, integrating with existing infrastructure to enhance operational efficiency and reduce energy consumption.
Mobile Coolrooms
We provide mobile coolroom solutions for temporary events, construction sites, and emergency storage needs. These self-contained units offer rapid deployment across Darwin and rural areas, maintaining precise temperature control for perishable goods and equipment protection.
People
Pedro Bernardino
General Manager
With over 25 years in HVAC management, Pedro leads CTM's strategic operations. He oversees project delivery and client relations, leveraging his technical expertise to maintain service excellence across Darwin's challenging climate conditions.
Andrew Chester
Projects & Service Manager
Andrew manages complex HVAC projects and maintenance operations, ensuring technical precision and client satisfaction. His 20+ years in mechanical services focus on innovative solutions for industrial and commercial cooling requirements across the Territory.
Questions
What HVAC services do you offer for commercial businesses?
We provide full-cycle services including system design, installation, maintenance, and 24/7 emergency repairs for commercial airconditioning, refrigeration, and climate control systems.
Do you service residential properties?
While our primary focus is commercial and industrial clients, we also offer HVAC solutions for domestic properties requiring specialist cooling systems.
Are you available for emergency repairs outside business hours?
Yes, our 24/7 emergency service responds to critical HVAC failures at any time, prioritising account holders across Darwin and regional areas.
What geographic areas do you service?
We operate throughout Darwin, Palmerston, and rural Northern Territory locations, providing both on-site installations and maintenance services.
Can you handle large-scale industrial refrigeration projects?
Our team specialises in complex industrial systems including chillers, data room cooling, and high-security refrigeration with end-to-end project management capabilities.
Reviews (3)
Bronwyn & Rod Sawford
Oct 23, 2020 Report
Very obliging, prompt to respond to diagnosing our caravan's air conditioner problem. A wait for parts of course but as soon as they arrived we were booked for the next day. Quote was reasonable & they were very helpful with an anticipated insurance claim. All with a smile!
V. Sokolov
Jan 12, 2020 Report
While having a short stay in warmish Darwin we started to have problems with
our Dometic A/C remotes in our motor home i rang around and finally got CTM Refrigeration in Winnellie ( dometic service ) on the phone the receptionist was very helpful and knew exactly what i explained to her re the remotes, she said to come by with them and the service manager will look into it for me.. i was close by and there quickly i spoke to Pedro and he took my remote and went out the back shortly he was back with another remote he said to try this older version it was just like mine i went back to the van park
Angela Todhunter
Aug 06, 2019 Report
Just had all 3 of my aircons thoroughly cleaned in time for build up/wet season.
Maria who did the booking originally was extremely professional and helpful and able to quote me straight away. She also booked in a day and time that suited me which was awesome.
Josh and Josh rocked up on time and were extremely professional, friendly and thorough. ( cleaned up after themselves and it is like they were never here )
Aircons are cooling amazingly and I cannot recommend them highly enough.
will definately use them again. Thanks CTM Team Darwin