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Unitests

4.7(679 reviews)
Cheltenham, VIC

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About this business

Unitests provides servicing, maintenance, testing, repairs and installations for domestic and commercial heating, ventilation and air-conditioning (HVAC) systems across Melbourne. Their approach emphasises quick, efficient service by licensed plumbers and technicians, free quotes, personalised solutions and the use of cutting-edge equipment such as a 490 hp cleaning machine with HEPA 99.97% filtration.

Service areas

Servicing Cheltenham and surrounding locations.

See what local homeowners are saying

  • Stephen Huynh

    21 Feb 2026

    Great experience with Unitests. I recently had my evaporative cooler serviced and the water sensor replaced, and the whole process was smooth from start to finish. The team was professional, efficient...

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    Great experience with Unitests. I recently had my evaporative cooler serviced and the water sensor replaced, and the whole process was smooth from start to finish. The team was professional, efficient, and explained everything clearly. The job was completed quickly and the system is now running perfectly again. Really happy with the service — I’ve already passed their details on to my sister who will be reaching out as well. Highly recommend!

  • hj

    11 Jan 2026

    Engaged Unitest this time on Evap cooling for my 15y old Bonaire unit. Service was available within two days during the summer holiday period, which was beneficial. Unitest sends out a quote where the...

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    Engaged Unitest this time on Evap cooling for my 15y old Bonaire unit. Service was available within two days during the summer holiday period, which was beneficial. Unitest sends out a quote where they specify the work they do. This is a good working standard and very useful for non technical customers, surprisingly it is not common among trading businesses yet in Australia.; overall provides confidence to the customer that they know what service they are planning to provide. Josh was the technician, pre and on the job communication was very good. Josh spent at least 45min on the roof, previously service technicians from other companies did not spend more than 10min on the roof, in hindsight tells me that the required work was likely not done properly. So again, Josh provided confidence that work was done properly. Unitest provides photos afterwards, which I found most powerful, I have not been on the roof and have no idea what an evap service would look like; a strong buying factor for me as customer. They charged at time of booking, which I found unusual, but accepted it. Improvement opportunity for the future: a simple final table format report could be provided with short comments against each service line item as per their quote this would link up and close the service process properly. Overall very positive service experience, I would consider them again and personally would ask if Josh could be assigned to the work.

  • Yvonne Lyttle

    9 Feb 2026

    I recently had to call Unitests to have my evaporative air conditioner serviced. It was so nice to have my call answered by a real person, a lovely lady called Patricia, she was so helpful and organis...

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    I recently had to call Unitests to have my evaporative air conditioner serviced. It was so nice to have my call answered by a real person, a lovely lady called Patricia, she was so helpful and organised very quickly to have someone come out to check and service my air conditioner. I was told the time and name of the person that would coming to do the work. The day of the service I had a message to say that Josh was on his way, when Josh arrived he was so friendly and explained what was wrong and what he had to do. I later received an email with photos of what had been done to the unit on the roof. I was so impressed with this company that I have no hesitation in recommending them. I will definitely be using them to service my heating system before winter arrives.

  • Caityy cat

    31 Jan 2026

    Had Josh come out and do our evap aircon service, he was super friendly and got the job done wonderfully and without a fuss! Even when I had a follow up question after he left he was quick to respond...

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    Had Josh come out and do our evap aircon service, he was super friendly and got the job done wonderfully and without a fuss! Even when I had a follow up question after he left he was quick to respond and happy to help. So happy with the service and will definalty be using Unitests again Thanks guys!

  • Mary Mavridis

    21 Jan 2026

    Josh and Van from Unitests carried out a thorough and professional pool gas heater service. They completed detailed testing and safety checks, identified the issue efficiently, and ensured the heater...

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    Josh and Van from Unitests carried out a thorough and professional pool gas heater service. They completed detailed testing and safety checks, identified the issue efficiently, and ensured the heater was operating correctly and in compliance with relevant standards. Their technical knowledge, clear explanations of the fault and repair process, and methodical approach were impressive. The service was completed promptly with no shortcuts taken. I would highly recommend Josh and Van at Unitests for pool gas heater servicing and gas-related work.

  • Derek Stonard

    24 Jan 2026

    Prompt and professional ! From the initial enquiry right through to the service being completed on our air conditioner unit, I was well informed of what was happening and what the issues were. I would...

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    Prompt and professional ! From the initial enquiry right through to the service being completed on our air conditioner unit, I was well informed of what was happening and what the issues were. I would highly recommend their services. Patricia and Josh were both very pleasant and professional people to deal with.

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Air Conditioning costs & guides

Frequently asked questions

How much do air conditioning specialists typically charge?
Costs vary widely depending on the job. Quotes typically reflect system type and size, number of units, access and installation complexity, any refrigerant recovery or replacement needed, and whether after-hours attendance is required; the page shows live pricing you can review.
Do air conditioning specialists charge call-out fees?
Many air conditioning specialists charge a call-out fee to attend and assess the system, which is usually separate from labour and materials. Call-out fees are common and after-hours or emergency attendances are often charged at higher rates, so it’s worth confirming these details when requesting quotes.
Do air conditioning specialists need a licence in Australia?
Yes. Refrigeration and air conditioning work generally requires a licensed contractor in every Australian state and territory, with NSW Fair Trading the relevant authority in New South Wales. Look for a valid state air conditioning/refrigeration contractor licence and, where refrigerant handling is involved, an ARC Tick (RHL); providers will often also display industry memberships and public liability insurance.
How do I get a quote from Unitests?
Unitests lists email or through their website on this profile, so you can contact them directly for pricing and availability. Share a short scope and photos to get a faster quote.
What areas does Unitests service?
Unitests services Melbourne, Greater Melbourne, and Cheltenham VIC and surrounds. Contact them to confirm service areas.
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