Globally, small air conditioning systems are rapidly transitioning from R410A to R32. In 2019, R32 systems (small, pre-charged) made up 71 per cent of the market, an increase from 52 per cent in 2018 and up from effectively zero in 2013.
As manufacturers gain experience with R32, there is a general trend for it to be used with larger charge sizes. It is predicted that we will increasingly see the introduction of R32 in larger ducted systems over the next few years.
A refrigerant handling licence is required when using R32 refrigerant, and a refrigerant trading authorisation is required to acquire, possess and dispose/sell it.
R32 refrigerant, and the systems designed for it, present significant changes to the service tools, working practices, component standards and workplace safety considerations relating to install, repair, service and refrigerant recovery.
R32 - KEY POINTSLower flammability with a safety
classification of A2LHigh operating pressureDangerous Goods Class 2.1 flammable gasOnly use equipment rated for use with
A2 and A2L refrigerantsSuitable trade training in flammable
refrigerants is recommended
Properties and Characteristics
Do I need a permit through the ARC to handle and buy R32?
Safety issues to be aware of when handling R32
What equipment do I need to handle R32?
Training for R32
Allowable charge of R32
Where can I buy R32?
Can I convert an existing R410A system to R32?
R32 Video
Further information
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