Cost effective and reliable heating and cooling experts for all of your heating and cooling needs. Operating since 2007 in Langwarrin and across surrounding Melbourne suburbs, we are licensed plumbers and Member of Master Plumbers Association. Dias Air service residential and the light commercial market of heating and cooling. We cater from a basic service on your existing unit all the way to a complete new installation.

We take pride in what we do and treat every installation with the high level of quality and care which it deserves. Our service quality expectations, qualified experts and attention to detail makes us the number one choice in Melbourne for Heating and Cooling.

We install, service and maintain all major brands and systems including split systems, evaporative cooling,ducted heating & cooling, evaporative cooling, gas heating and more. If you’re unsure of your heating and cooling requirements for your home in Langwarrin then simply call the team at Dias Air and we’ll have one of our qualified team come out and provide you with the best advice to heat and cool your home.

Contact us today for a free quote, same day appointments available.


Dias Air provides the following services services across Melbourne –

  • Air Conditioning
  • Split systems
  • Ducted Split Systems
  • Evaporative Cooling
  • Gas Heating
  • Add On Cooling


Our services cover:

Heating / Cooling Installation – Affordable and competitive pricing for purchase and installation of our recommended heating and cooling systems

Maintenance – We recommend maintenance and servicing of all heating and cooling systems to prevent break down and reduce allergens build up.

Air conditioning & heating repairs – Repairs for all major brand and systems from malfunction or decay from usage over time.

If you’re not sure what system will be the most cost effective and efficient for your home then simply call us today and we’ll send out one of our team to view your home and provide you with the best system for your requirements. We work with all major brands and can offer installation, maintenance and repairs for all major models.



MPA_AUSTWe have built a reputation by having all of the following –

  • Member of Master Plumbers Association
  • Licensed Plumbers
  • 24 / 7 + emergency availability
  • Family owned and operated
  • 6 Year Guarantees on Work
  • Highly competitive pricing
  • Operate across Melbourne
  • Reliable and on time


We’ve serviced Langwarrin for almost 10 years and pride ourselves on customers walking away happy with our services.


We can supply you with new equipment at competitive prices, service and maintain your current equipment or fully install your new equipment.

Our reputation for high quality work in our Installations has brought the company to where it is now. We take pride in what we do and treat every installation with the high level of quality and care which it deserves.

We are passionate and fastidious about our workmanship and deliver our installation with care that it deserves.


Regardless of which brand you have in your home we can help. We work with all major brands including Carrier, ActronAir, Mitsubishi, Brivis, Braemar, Boair, Panasonic, Fujitsu and more.