Our expert in-house teams work with residential, commercial and industrial clients to keep your heating and cooling running smoothly year-round.


Family owned and operated since 2006

Based in Bundoora, Melbourne 21 Celsius services clients throughout Melbourne and beyond. We understand that when your heating and cooling needs repairing, efficiency is important. We’re proud to offer timely, cost-efficient service, without compromising on quality. Our directly employed plumbers, refrigeration mechanics and electricians who specialise in controls - supported by our in-house engineering and drafting team - will repair, service, replace or maintain your heating and cooling while keeping you informed along the way.

The 21 Celsius difference

  Exceptional quality products and service

Our honest and trustworthy in-house team members have a wealth of knowledge and experience. You can expect prompt diagnosis of your issue, then efficient, top quality service - with minimal mess or fuss.

  Reliability and outstanding communication

Keeping you up to date with progress throughout a project is important to us. Our staff will always take the time to explain our process, plus give you helpful tips on how best to maintain your system.

  A family-owned, friendly experience

The 21 Celsius team is big enough to deliver, yet small enough to care. We’re confident that our customer care and compassion is second to none. All our technicians are friendly and professional, while quotes are prepared quickly, accurately and honestly.

21 Celsius offers services from residential home heating and cooling to large commercial sites with complex systems. In the heat of a Melbourne summer or the depths of winter, we want you to be comfortable.