We are able to provide design expertise necessary for all nature of projects. PJS Air provides consultancy, design & engineering services as part of our 'hands on' approach. Our experienced senior personnel are skilled in producing practical and code compliant solutions to suit all nature of air conditioning & ventilation systems.

This is enhanced by our in-house CAD & Revit service, quality mechanical designs and drawings to suit our client's needs.

We provide:

  • In-house engineering & drafting personnel.
  • Expertise with Autocad, Camel, Beaver.
  • Revit 3D modeling & BIM co-ordination.
  • Building control systems design & integration.
  • Client & End-user.
  • For many years we have designed & constructed numerous refurbishments & fit-outs & new buildings.

Some of our customers:

Australia Post Sorting Facility - Chullora NSW →

  • New building & extension of existing facility, design & construction.
  • Full Revit design with BIM co-ordination of all services & post sortation equipment.
  • Fully air conditioned warehouse with productions offices, staff facilities, computer room.
  • Efficient system design with economy cycle, engineering natural ventilation to loading docks, smoke control.
  • Design submissions pier reviewed by AHW.

WIN Stadium - Wollongong →

  • New grandstand, media & function centre for football stadium.
  • Completion of 95% tender design. Review all design loads & parameters.
  • Refine mechanical services to fit within construction restraints.
  • Equipment specified to accommodate high salt environment (being close to the sea).
  • Multiple VRF systems & ventilation systems including air to air heat exchanger.

Intercontinental Hotel - Double Bay →

  • Refurbishment of entire building which had been closed for several years.
  • Design & construction proposal to suit client brief.
  • Full building assessment & review of existing equipment.
  • Working closely with client engineers - Donnelly Simpson Cleary (DSC).
  • New chilled/hot water services, exhaust & ventilation systems for retail areas.
  • New chiller, cooling towers and refurbishment of air handlers through-out building.

Allowah Childrens Hospital - Dundas →

  • New hospital facility.
  • Development & installation of design by Umow Lai Enginuity.
  • Design using passive & active condition management via both in floor slab.
  • Temperature control & air handlers.
  • Positively pressurized building to manage humidity control.
  • In floor zoned hydronic chilled or hot water to manage 50% of the load.
  • All ventilation system via heat exchanger to produce a very efficient & low running cost building.

79 Commonwealth St. - Surry Hills →

  • Design & construct proposal to client brief.
  • Refurbishment of 6 floor building with an additional 2 new floors built on top.
  • Condensor water cooled plant & gas powered plant to meet minimal power availability.

RAS Main Stadium - Sydney Olympic Park →

  • New grandstand, media, function centre, training rooms stadium.
  • Designed & construct to client brief.
  • Design to incorporate new & existing building.

Allowah Presbyterian Children's Hospital

Australia Post



InterContinental Hotels Group


Sydney Olympic Park