lilydale-heating-cooling-air-conditioningAre you located in Lilydale? Dias Air have been servicing Lilydale and the local area for almost 10 years. We are heating and cooling specialists and are highly qualified to provide you with advice and expertise when purchasing, install or maintaining heating and cooling systems.

As qualified plumbers and a member of the Masters Plumber Association we’ve built a reputation and word of mouth on providing cost effective and experienced heating and cooling services. We pride ourselves on doing the job right, every time, and building a long term relationship with our customers.

We can help with split systems, ducted heating, add on cooling, ducted split systems and much more. If you want to minimise your heating and cooling costs then why not give one of our friendly team a call today. We’ll send a technician out to your home to assess your requirements and home and provide you with a quote on the best system to meet your requirements.

Give us a call for a quote today, or fill out the contact form to the side and we’ll call you!


If you have a home or business in Lilydale and need an experience technician to help you, call Dias Air, we are trusted and qualified with almost 10 years experience in heating and cooling. Over the past 10 years we’ve built a reputation on provide qualified, honest and reliable services, products and advice to provide heating and cooling systems that meet the needs of our customers.

We provide purchase, installation, repairs and maintenance of all major brands and we work with the following systems listed below.


Choosing the right heating and cooling system for your home is very important, your decision may have an affect on your home and your bills for years to come. There is no one size fits all solution for heating and cooling and it’s very important you receive qualified advice from technicians that have many years of experience. At Dias Air we have over 10 years experience in heating and cooling systems and all our technicians are qualified to provide you with the best advice.

If you’re confused about the best system for your home in Lilydale simply give the team a call and we’ll send out one of our technicians to inspect your home. We can provide you with a variety of options to suit your budget and pride ourselves on selecting systems that will heat and cool your whole house.

Get in touch today to organise a suitable time for us to visit your home and provide you with a free, no obligation quote.


We are family owned and operated business and have built reputation on referrals from customers that love our work.

  • We are licensed Plumbers in Australia
    Dias Air - Member of Master Plumbers Australia
  • We are a Member of Master Plumbers Association
  • We are family Family owned and operated
  • We’ve operated in the Lilydale area for almost 10 years.
  • We provide a six year guarantee on all our work
  • We have emergency availability – 24 / 7 – Call us if you need help
  • Our pricing is highly competitive
  • We only use the highest quality in system and parts.


If you want a heating and cooling company that you can trust then call Dias Air, we won’t let you down.



We work with the best brands and systems on the market to ensure that you’re getting the top quality – not just in workmanship, but also with the actual hardware that we install into your home.

Give our friendly team of specialists a call today to get a hassle free quote.