Split System Service, Repairs & Installation In Melbourne

If you live in Greater Melbourne and need your split heating and cooling system repaired or serviced, then look no further. With hundreds of 5-star reviews, we’re the best for the job!

What brand we Serve

Split System Servicing

Regular servicing is essential to keep your split system running efficiently and hygienically. Over time, dust, allergens, and mould can build up inside the unit, reducing airflow and increasing energy usage. Our comprehensive split system service includes:

Cleaning filters and coils
Checking refrigerant levels
Inspecting electrical components
Ensuring quiet and efficient operation

Prevent costly breakdowns and improve air quality with professional maintenance from Melbourne’s trusted HVAC experts – Unitests.

Split System Repairs

Is your split system stopped working, leaking water, or making strange noises? Don’t wait for the problem to get worse. Our skilled technicians at Unitests are trained to diagnose and repair all major split system brands quickly and efficiently.

We carry common parts and tools for on-the-spot fixes and will always provide honest recommendations on whether repair or replacement is the best long-term option.

What to expect during service & repair?

Fully licensed refrigeration (RACO1) plumber reviews the accessibility and current operation of the unit
Check all refrigerant and essential pressure
Clean all filters – drum rollers
Inspect & review unit condenser coil status
Inspect and clean external condenser fan housing and blades
Check for corrosion on the unit and report
We will check all electrical connections
Report on system age and efficiency
Check on the operation of reversing valve where applicable
Provide a dated unit Service Certificate

Split System Installation

If your old system is out of date and needs to be replaced with a new split system, then call Unitests today!

We help you choose the right model based on your space, budget, and energy efficiency goals. Whether it’s for a single room or multiple zones, our team handles the full installation process, from expert advice and electrical connection to testing and handover.

We supply and install leading brands known for performance and durability, ensuring you get reliable comfort that lasts for years.

Fjutsu Split System

Daikin Split System

Rinnai Split System

Fujitsu Condesner

Daikin Condenser

Rinnai Condenser

Mitsuishi Split System

Mitsubishi Condenser

We service & repair all major brands.

Brivis, Hitachi, Coolbreeze, Mitsubishi, Braemar, Breezeair, Carrier, Bonaire, Vulcan, Celair, Daikin, Fujitsu, Kelvinator, Lennox, LG, Panasonic, Samsung, Stadt & More.

Our major services include gas ducted heating, ducted reverse cycle, evaporative cooling, gas pool heaters or heat-pumps, add-on cooling, CO Test, duct cleaning and other heating and cooling services in Melbourne? Contact us Today on 1300 84 66 88 and receive a FREE QUOTE.

Our Most Recent Google Reviews

After several ‘unanswered’ phone messages to ducted gas heater repairers, I lucked upon Unitests, who were so professional from go to whoa!! I had a lovely tradie come out... Read More the same day, detect the problem, and after I gave the go ahead I had a new system installed the following day. Everybody I dealt with were very nice (phone receptionist, 2 tradies and Tim in the office), and I couldn’t recommend them highly enough!! Thank you guys!! I’ll be calling you when I need the product serviced!!

Pat Beckett

Very professional service, had general service on my air con units, they did proper check and maintenance on them, sent back photos for each one to confirm the status, Jason... Read More the maintenance staff is very good and helpful, will recommend to friends.

Ziyao - Jonathan Xu

Unitest kept me well-informed with email and text updates about who the technician would be and when to expect him. I even received a text with his exact arrival time.... Read More Josh, the technician, was professional and helpful throughout — he gave great advice and ensured everything was left clean and tidy. Excellent service all around. Highly recommended!

Linda Richmond
Unitests were by far the easiest, most prompt and quote competitive firm to deal with.

Elizabeth Thomas

Needed 2 gas log fires serviced. One had a broken fan, quite complicated and awkward repair. Very well organised service throughout. Great communication and booking (thanks Patricia), set clear expectations... Read More and the service person (Josh) did a great job and was ultra friendly. Can fully recommend this service organisation.

Frank Staebe

Josh arrived at the scheduled time and was very friendly and proficient in his job. This was just a regular service and I will contact them again for the next... Read More service.

Rowland Williams
Great service. Honest. Reliable. Very knowledgeable. Very friendly and helpful. Would highly recommend

Angela Brown

Josh was on time very efficient and friendly. He carried out the service call explaining what he was doing and photographed the problem. Then proceeded to fix the problem.

Peter Gall

Very prompt service. Josh was able to test the unit thoroughly and provide a diagnostic. Would recommend using ths company..

Jo Sienkiewicz
Experience with Unitests was great. Very professional organisation and provide useful and relevant information. Also turnaround time was relatively quick given our situation. Would recommend to anyone to at least... Read More have a talk with them about their heating needs.

Frank Alderuccio

Service was excellent, technician was competent, speedy and cleaned up. New unit operates perfectly.

Ken Spiller

Great service, great advice. I would highly recommend Unitests services!

Owen Watson
From the moment I phoned the office staff Tim and Patricia were very informative so I was comfortable to go ahead with an appointment for the technician Josh to assess... Read More the situation. I felt I was in good hands. My house was an ice box with a in roof furnace for the ducted heating unit. I love my home but hated it in winter. I was about to spend thousands on electric hydronic heating , but at half the cost of those thousands Josh and his team installed a fantastic new furnace, put in new ductwork and life is so warm and cosy . No more ice box house. Josh , thank you ever so much . You and Van did a magnificent job. I am so happy. Many thanks .

andrew voya

Great company to deal with. Very professional and Josh is a joy to deal with. Highly recommend.

Alan

I’ve dealt with Unitests for the past few years regarding maintenance and eventually a new heating unit. Fantastic customer service every time. Highly recommended

Sanjay Sivarajasingam
Unitest serviced our gas log heater. They were very professional with great communication. Thanks guys, great service.

B W

Unitest we fantastic to deal with! They were punctual, well-presented and very professional. The technician that came was very well spoken and was able to provide an efficient service to... Read More the Hot Water Unit and Hydronic system.

Xavier Gonzalez

The experience with Unitests was great. They were punctual and got the job done. Thank you to the receptionist Patricia who was very helpful and informative. I would definitely use... Read More them again.

Ter Davies
Quick efficient and friendly

Alan