DJK Air Conditioning
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DJK Air Conditioning
DJK Air Conditioning is a proud dealer of Mitsubishi Electric, one of the world's leading companies for air conditioning appliances within the industry. We aim for the highest quality products, distributing systems that come with a 5 year warranty to ensure any issues or dissatisfaction are rectified.

DJK was founded in 1990 by industry professional Derrick John Kennedy, and has since developed a client base of over 5000 customers and become many locals' first preference for air conditioning troubles. With many years of experience in the industry, DJK Air Conditioning has adopted procedures that ensure our work is efficient and of the highest quality.

Don't wait a minute longer, and get in touch with your local air conditioning professionals today! DJK Air Conditioning offers a wide range of services involving the installation and maintenance of AC systems. Our strong attention to detail and ability to evaluate the environment allows our employees to create a personalised servicing experience to suit your needs.
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The team at DJK Air Conditioning are your local air conditioning experts based in Tennyson, Brisbane. Operating since 1990, Derrick and our team of mechanics continue to gain the loyalty of our valued customers and build our reputation as one of Brisbane's leading air conditioning companies. DJK Air Conditioning was founded in 1990 by Derrick John Kennedy after he discovered his passion for sales.
With almost 30 years in the industry, the team at DJK have the knowledge and experience to ensure you are satisfied with both your air conditioner, and the performance of our hard-working employees. As a local company, much of our work comes from word-of-mouth from happy customers. This is why the quality of our work is crucial in order to build our position in the market.
Using our state-of-the-art Mitsubishi Electric units, our staff will install brand new air conditioners into your living or work space to give you the comfort of climate control with ease. As well as installations, DJK Air Conditioning also performs servicing on Mitsubishi systems to make sure you are satisfied with the way it is running, and to resolve any issues you may have.
Living in Queensland demands for quality temperature control in your home all year round. One might get by with a ceiling fan in the living room but with the summer season getting hotter and longer, AC will be an investment you can't argue with.
We offer over 50 different Mitsubishi Electric models from high-wall inverter splits systems to fully ducted systems for your entire home, as well as multi-head systems that will give you individual control of the units in each room. Each model caters for different needs, and we will inform you of our recommendations to ensure you get the best deal for your new system, of air conditioning or heating.
Reviews (11)
Jessica Burns
Jessica Burns
Dec 10, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness
Our air conditioner at work broke and Troy knew how miserable it was in a hot office so he did everything he could to make sure the installation was done asap.
Services: Install AC, Repair AC
Lisa Stockwell
Lisa Stockwell
Oct 09, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
We’ve used DJK for 3 houses over 20 years. Wouldn’t use anyone else.
Service: Install AC
Gayle Hall
Gayle Hall
Aug 07, 2021
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We are more than happy with our recent installation and upgrade of air conditioning in our home. This is not the first time we have used Derrick and we will definitely use DJK in the future. From the very start, Derrick arrived on time to provide a quotation, was informative and really knew his product. On installation day, Derrick and his team were professional, friendly and worked so efficiently. Excellent, quality product and expert group. We highly recommend Derrick and his team.
R. N.
R. N.
Dec 31, 2020
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Derrick and his team replaced my old ducted system that was not coping with cooling my house, especially on those really hot and humid days. Derrick was straightforward and calculated the right size system for my home which meant I had to upgrade to a three phase system because a single phase system was not going to cope, and in the long term would have been a waste of money. With the system installed I am so surprised at how quickly this system cools my house compared to the old single phase system, and best of all it is so quiet and efficient. Derrick and his team did an excellent job and delivered
Mick Ballard
Mick Ballard
Dec 29, 2020
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I am very happy with the service DJK provided. They re-installed our AC unit after renovations and the final product was very neat. The quote was also the best we found in the area.
Highly recommend this company.
Isabella Galka
Isabella Galka
Dec 14, 2020
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Friendly, professional and super speedy with the installation of our new aircon. Fair prices for the supply and install, and the aircon unit itsself is top quality. I would not hesitate to recommend their services, and have no qualms about calling on them again for more installs down the line. I was also hugely grateful to Derek and his team for being able to squeeze in a quote and full install before xmas!
Andrew Rankin
Andrew Rankin
Jul 26, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
I have used Derrick and the DJK team for new air conditioners and general maintenance for over 20 years. Without exception, the service has always been professional, affordable and relievable. Their air conditioners are also second to none. I have recommended DJK Air Conditioning to friends and family and all have been happy.
Services: Installation, Install AC, AC maintenance, Cleaning
Scott Carter
Scott Carter
Jan 15, 2020
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Massive thanks to Derrick and the team from DJK Air Conditioning. Recently installed a full Ducted System, and Split System over multiple levels in our queenslander renovation. Everything was installed perfectly with Derrick even positioning the indoor unit, in a way to maximise the in-ceiling storage I could now use. The team worked so well on the job together and were in and out in no time at all. While they were working on the job they even helped lift our new Mitsubishi Electric Fridge up the stairs, into our new kitchen. Derrick even contacted us 2 weeks later to make sure we were happy with
Jane Hunterland
Jane Hunterland
Nov 27, 2018
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I was so impressed with DJK. Troy met me to quote on my sale and install. The space for a unit is limited and the entire house asbestos but Troy did his utmost to accommodate my needs, the quote was significantly better than any other I got and once I gave the go ahead, installation was arranged for the following day. Everyone I dealt with was knowledgeable and efficient. I cannot recommend DJK highly enough.
Laura Johnston
Laura Johnston
Dec 03, 2016
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Thanks Derrick, hottest day of the year my main aircon decides to give trouble. And DJK came out straight away (and diagnosed problem) had it running in minutes!! Big thanks!
Sam Skerrett
Sam Skerrett
Oct 17, 2016
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They boys at DJK don't mess around Quality work 24/7. Have the pleasure of knowing the CEO, great guy with a great team