Wantirna Heating and Air Conditioning Specialists - Dias AirDias Air are your local experts when it comes to all heating and cooling services for your home. We have been providing quality plumbing in Wantirna since 2007, and have established a reputation for our quality of workmanship, customer service and satisfaction.

All of our technicians are qualified plumbers, and we are a member of the Master Plumbers of Australia, which means you can rest assured that when you contact us to install a heating or cooling system in your home, you can rest assured that you will receive only the highest in quality ad professional and workmanship.

Whether you need a new heating or cooling unit, or just need your current one repaired or serviced – call Dias Air today and we’ll offer the best heating and cooling services in Wantirna.

What types of systems do we work with?

Need a hand picking a system to suit your needs?  We can help! Just give us a buzz today for a free quote, and one of team will come to assess your requirements and provide you with an obligation-free quote.

What do our services cover?

Heating & cooling installation

Full installations with a 6 year workmanship guarantee. Buy directly from us and save yourself time and money, whilst getting a top of the range system installed.

System repairs

Heating and cooling systems break down from time to time, which can be a real inconvenience – especially in the heat of summer! We offer same-day services and a 24/7 emergency repairs service.

System maintenance

Your heating and cooling system needs regular maintenance to ensure it operates efficiently and minimises wear and tear over time. Regular maintenance also helps to minimise the output of allergens into the air. GIve our team a call today to make sure your system is operating at its best!
We were quoted a very fair and reasonable price. We could not be happier with the service we received and I highly recommend Dias Air to anyone.Thanks again Dias Air
He knew exactly what he was talking about when choosing a unit to suit the house. Best part of all his prices are very reasonable. I would highly recommend Dias Air to anyone looking to get heating or cooling installed in their house
I would highly recommend Dias Air to anyone looking to get heating or cooling installed in their house. Amazing service. Thanks Marlon and i hope to deal with you again.


We are a family owned and operated business, and pride ourselves on our reputation for exceptional customer service. We guarantee only the finest workmanship and professionalism and a 100% customer satisfaction guarantee.

Here’s what you’re guaranteed when you choose to do business with Dias Air:

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


Give our friendly team a call today for a free, no obligation quote to see how we can address your heating and cooling needs.


We pride ourselves on not only our quality workmanship, but also the quality of the systems that we work with. We provide only the best brands and systems on the market, so when you purchase a new product through Dias Air you know that you’re getting top of the line quality every time.

If you live in or close to Wantirna – just give us a call to see how we can find a solution to your heating and cooling needs.