ABOUT US

Sigma Coachair Group Pty Limited is a world leader for over 30 years in the design, manufacture, supply and service of specialised air conditioning equipment suitable for the transportation (rail and bus), mining, industrial and defence industries, where high ambient temperatures, severe vibration, dense particulate and corrosive environments prevail. Sigma Coachair Group's heritage and experience stems from the amalgamation of three companies COACHAIR, SIGMA, and THERM*AIR, all with extensive experience in the above application areas.

Sigma Coachair Group have developed a comprehensive range of air conditioning and filtration equipment now manufactured for the transportation, industrial, mining, and defence markets on a global basis. The innovative and unique Sigma Coachair Group designed equipment has attracted worldwide interest and acceptance, and many enquiries have been received from major industries throughout the world.

QUALITY ASSURANCE

All of Sigma Coachair Group's facilities are dedicated to total quality control. At our major design and manufacturing facility we have full certification under ISO 9001 through Lloyds Register.

RESEARCH AND DEVELOPMENT FACILITIES

Sigma Coachair Group has established at its head office a state of the art Research & Development facility. The facility has the capability to test HVAC systems in various environmental conditions from that experienced in the tropics, to the cold temperatures of north Europe or US to the hot dry desert conditions experienced in Australia.
The facilities allow for accurate performance analysis of all functional aspects of the air conditioning system.