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About us

Refrigerant License Trust Board (RLTB) is a Charitable Trust (CC47089) and was incorporated under the Charitable Trust Act 1957 on the 20th April 2011.

RLTB was established by the Institute of Refrigeration, Heating and Air Conditioning Engineers (IRHACE) and Climate Control Companies Association of New Zealand (CCCANZ) with funding provided by refrigerant levy collection, initially to develop and provide refrigerant filler and handler training and certification for HVAC&R practitioners. Subsequently RLTB has expanded its activities to provide a wider range of training, technical education and professional development for people in the HVAC&R Sector.

It operates under the name Refrigerant License New Zealand (RLNZ).


Malcolm Miller, Chair Board Trustee (CCCANZ Corporate Trustee)

Matt Birch Board Trustee (IRHACE Corporate Trustee)

Mark Meyer Board Trustee (IRHACE Corporate Trustee)

Andrew Bradley Board Trustee (Co-opt Corporate Trustee)

Code of Conduct

To ensure the expectations of the Refrigerant License New Zealand (RLNZ) in relation to student, tutor, license holder and associated employees conduct are clearly communicated and readily available the wider industry. Should misconduct occur, the procedures for investigation are fair to all parties and that the disciplinary action for misconduct along with any penalties are transparent, clearly documented and understood.

Code of Conduct can be requested by emailing

RLNZ is supported by

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