Orion Mechanical Services provides complete design, documentation, procurement, supply, installation and ongoing servicing for high quality, energy efficient, environmentally-sustainable HVAC design & construct building needs.

Our services, qualifications, products, and components comply with Australian regulatory and environmental sustainability standards. Our partnerships with reputable major suppliers ensures every HVAC system installed by us functions efficiently and works effectively.



  • Design & construct HVAC contractor

  • Air conditioning & ventilation solutions

  • Inverter ducted single & multi-split A/C systems

  • Variable Air Volume (VAV) smart zone control systems

  • Air & water cooled variable refrigerant volume

  • Heat pump & heat recovery systems

  • Smart home automation interface & A/C central controls

  • Central plant – chilled/heating/condenser water systems

  • Mechanical ventilation systems to AS1668.1 & .2

  • Horizontal discharge toilet & kitchen exhaust systems

  • Preparation of BCA alternative solutions

  • BCA Section J compliance – energy efficiency

  • CAMEL heat load calculations

  • Fire damper rectification

  • Design, project and site management services

  • Design and installation certification




Orion holds the following industry licences:

  • Commercial Builder - Refrigeration, Air-Conditioning Licence - 202063C

  • ARC Authorisation Number - AU20258

  • ARC-Tick Refrigeration Trading Authorization

  • Elevated Work Platform WorkCover Licence

  • NSW WorkCover OH&S Safety Induction Cards

  • QLD Business Services Authority Contractor Licence

Orion is a member of the following industry associations:

  • Australian Institute of Air Conditioning and Refrigeration (AIRAH)

  • Australian Institute of Building (AIB)

  • Australian Institute of Company Directors (AICD)

  • Australian Refrigeration Council (ARC)

  • Air Conditioning and Mechanical Contractors Association (AMCA)

  • Air Conditioning, Refrigeration and Building Services (ARBS)

  • Green Building Council Australia (GBCA)

  • Housing Industry Association (HIA)

  • Master Builders Association (MBA)

  • Refrigeration and Air Conditioning Contractors Association (RACCA)