ferntree-gully-heating-coolingDias Air, based in Melbourne, are a professional and qualified heating and cooling company company providing high quality, safe and reliable heating and cooling services. Our qualified professionals are available 24/7 with same day appointments available. We take the hassle out of providing a reliable technician to install, maintain or repair your heating and cooling systems at cost effective pricing.

For almost a decade, we have helped hundreds of home owners in the Ferntree Gully area to stay warm or cold in the extremes. Give us a call today, and let us help you today. Specialising in residential heating and cooling systems we can help with installation, repairs and maintenance of all major systems and brands.


We are qualified to assist you with all of your air conditioning and heating needs and work with a variety of systems.

Types of systems

  • Split systems – Air conditioning & heating
  • Evaporative Cooling
  • Gas Heating
  • Ducted Split Systems
  • Add On Cooling – For ducted split systems


We provide the following:

  • Heating / Cooling System Installation – Save time by purchasing a new heating or cooling system direct from Dias Air with full installation and guarantees.
  • System maintenance – Over time heating and cooling systems can suffer from wear and tear and can also increase allergens in the air. We can service and maintain your systems for optimal performance and health.
  • System repairs  – We repairs all major brands


Not sure what you need? The easiest way to find out what you need and to get a quote on how much it will cost is to call us today. We can offer same day availability as well was 24 / 7 emergencies.

Ferntree Gully Heating & Cooling


MPA_AUSTWith almost 10 years experience in heating and cooling it’s safe to say that you’re in safe hands, find out why –

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


Work with professionals in the business. Give us a call today.


There are many different types of air conditioners in modern homes. Each brand and system has pros and cons and is highly dependant on your home and how much you’re willing to spend on energy costs.

If you need help choosing a new air conditioning system we can help and have a highly skilled team that can install, fix and maintain all brands including wall mounted split systems, evaporative cooling, ducted add on cooling and more.

Don’t fight the heat, we can help.

  • Evaporative Cooling
  • Add – On Cooling
  • Wall Split Systems
  • Ducted Split Systems


DiasAir is an industry leader in supplying, servicing and maintaining heating systems. Our area of service covers southeast Melbourne as well as the beach side suburbs. We have been in business for nearly a decade and have served the residents of these areas to their full satisfaction.

Any call to us regarding heating systems is responded to immediately by our project managers. In fact, we will personally inspect your premises and suggest systems that will fully meet your heating needs.

As gas ducted heating is becoming more and more popular within new homes we recommend and highlight the importance that qualified gas heating servicing is completed every 12 months. It is recommended that during the winter months, an experienced gas heating technician thoroughly inspects your system for dangerous emissions.


Do live in Ferntree Gully? We can install, maintain and repair all major heating and cooling brands. If you have a question about your system simply give us a call and we’ll provide you the best and most cost effective systems for your home.