Lexi Webster
Australia has been taking steps to reduce the use of R134a, a synthetic greenhouse gas with a global warming potential of 1430, meaning it traps 1430 times more heat in the atmosphere than carbon dioxide. As of July 1, 2024, Australia has banned the import and manufacture of small air conditioning equipment using refrigerants with a GWP over 750, which includes R134a. This ban applies to equipment with up to 2.6 kg of refrigerant for cooling, heating, or both, in stationary spaces primarily for human comfort. While disposable cylinders containing R134a have been banned in Australia, the existing equipment will not be affected, and R134a will remain available for servicing existing systems.
| Characteristics | Values |
|---|---|
| Ban on R134a in Australia | Ban on import and manufacture of small air conditioning equipment with R134a (high global warming potential refrigerant) from 1 July 2024 |
| Exemptions | Motor vehicles, caravans, boats, aircraft, outdoor ducted systems, outdoor multi-head split air conditioning systems, air-to-water equipment |
| Existing equipment | Not affected; equipment imported or manufactured before the ban can be sold after that date |
| Penalties | Maximum civil penalty of 60 penalty units; new penalties introduced for offences under the Ozone Protection and Synthetic Greenhouse Gas Management Regulations |
| R134a disposal | Disposable cylinders containing R134a are banned due to non-refillable nature and risk of gas release into the atmosphere |
| Alternatives | R1234yf, CO2, R1234yf, R744, R32, R290 |
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What You'll Learn
R134a cylinders are banned in Australia
The Ozone Protection and Synthetic Greenhouse Gas Management Regulations 1995 make it an offence to possess R134a without a permit and to store it in disposable cylinders. Disposable cylinders containing scheduled substances such as R134a are banned in Australia because they cannot be refilled, which means that a residual amount of gas can remain in the containers and enter the atmosphere upon disposal.
In June 2023, the federal government amended The Ozone Protection and Synthetic Greenhouse Gas Management Regulations to include a ban on the import and manufacture of small air conditioning systems using high-GWP refrigerants, which came into force on 1 July 2024. This ban includes small air conditioning equipment with a GWP of over 750 and a refrigerant charge of up to 2.6 kg. It applies to equipment for cooling, heating, or both, in a stationary space, primarily for human comfort.
The ban specifically targets outdoor units for single-head split air conditioning systems and window/wall air conditioners (a single unit designed to be fixed to a window or wall). It does not apply to similar air conditioning equipment that is ducted, for mobile applications such as caravans and boats, or to systems for use in electrical enclosures and computer rooms.
Existing equipment in Australia will not be affected by the ban, and equipment imported or manufactured before 1 July 2024 may still be sold after that date. However, new regulatory changes will strengthen the government's ability to crack down on offences related to the possession and storage of R134a.
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R134a is being phased out of cars
R134a is a synthetic greenhouse gas with a global warming potential of 1430, meaning it traps 1430 times more heat in the atmosphere than carbon dioxide. As such, it falls under the Australian government's "priority compliance focus" on reducing emissions of synthetic greenhouse gases.
In June 2023, the federal government amended the Ozone Protection and Synthetic Greenhouse Gas Management Regulations to include a ban on the import and manufacture of small air conditioning systems using high-GWP refrigerants. This ban will come into force on 1 July 2024 and will apply to outdoor units for single-head split air conditioning systems and window or wall air conditioners.
While this ban specifically targets small air conditioning equipment, it is worth noting that the phase-down of R134a in Australia is heavily reliant on transitioning away from its use in motor vehicles. R134a is commonly used in car air conditioning systems, and its phase-out in this sector is crucial for reducing HFC consumption. However, car companies that produce right-hand-drive vehicles have been slow to transition away from R134a, opting to maintain lower prices for the Australian market.
It is important to clarify that the phase-down of R134a does not equate to a complete ban on its use in cars. Instead, the Australian government is taking a more gradual approach, allowing for the education and training necessary to adopt new technologies efficiently. R134a will remain available for servicing existing systems, ensuring that the remaining R134a vehicles can continue to be maintained.
While there is a push for a faster transition to lower-GWP alternatives, the Australian government's phasedown approach aims to balance environmental concerns with practical considerations, such as the availability of alternative technologies and the management of existing HFC equipment.
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Exemptions to the ban
Australia will ban the import and manufacture of small air conditioning equipment using refrigerant with a GWP of over 750 from 1 July 2024. This ban will apply to equipment with up to 2.6 kg of refrigerant charge per the compliance/rating plate for use in cooling, heating, or both in a stationary space, primarily for human comfort. However, there are several exemptions to this ban.
Firstly, equipment with a refrigerant that has a lower GWP than the design refrigerant is exempt. For example, replacing R404a (GWP = 3922) with R452a (GWP = 2139) is permitted. Additionally, equipment designed for mobile applications such as motor vehicles, caravans, aircraft, and boats is excluded from the ban. This includes mobile machinery, caravans, boats, and aircraft that contain HFC refrigerant gases.
Secondly, air-to-water equipment, such as hydronic home heating systems and swimming pool heat pumps, is also exempt. Furthermore, equipment licences may be granted under specific circumstances, allowing equipment to be imported when essential for medical, veterinary, defence, industrial, or public safety purposes, and when no practical and effective alternatives exist. For example, if R134a (GWP = 1430) is essential for health or public safety and cannot be replaced with a lower GWP refrigerant, it may be exempt from the ban.
Lastly, outdoor ducted systems and outdoor multi-head split air conditioning systems are excluded from the ban. Existing equipment in Australia will not be impacted, and any equipment imported or manufactured before 1 July 2024 can continue to be sold after that date.
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R134a has a high global warming potential
R134a, or R-134a, is a potent greenhouse gas with a high global warming potential (GWP) value of 1,430. This means that the greenhouse effect of the R-134a refrigerant is 1,430 times the 100-year warming potential of the same volume of carbon dioxide. As a refrigerant, it is considered high-GWP, which includes all ozone-depleting substances and any refrigerant with a GWP of 150 or higher.
R134a is used in air conditioning systems of many vehicles, and while there is a move towards more environmentally friendly refrigerants, it is still in demand for servicing and maintenance. This demand has led to a substantial increase in the price of R134a.
R1234yf is often considered a possible alternative to R134a, with a GWP value of just 4, meaning it has a very low global warming potential. However, it presents an increased risk in automotive air conditioning systems as it is flammable.
In Australia, disposable cylinders containing R134a are banned. From 1 July 2024, small air conditioning equipment with high GWP refrigerants such as R134a will no longer be allowed to be imported into Australia. This ban includes window or wall air conditioners and outdoor units with single-head split air conditioning systems.
The phase-down of R134a in Australia is reliant on the transition away from its use in motor vehicles. While R134a is being banned from cars in Europe and the US, car companies are continuing to produce cars that use R134a for the Australian market, as they are not introducing more expensive technology until at least the middle of the 2020s.
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R134a alternatives
R134a, or tetrafluoroethane, is a synthetic greenhouse gas commonly used in refrigeration and air conditioning systems. In Australia, disposable cylinders containing R134a are banned due to their negative impact on the environment. As a result, there has been a push to find alternative refrigerants with lower global warming potential (GWP).
One alternative that has gained popularity is R-1234yf, which has a GWP of 4, significantly lower than that of R134a. It is important to note that R-1234yf is not without controversy, and some manufacturers, particularly in Germany, have expressed reluctance to adopt it. However, major manufacturers like General Motors, Chrysler, Honeywell, and DuPont are promoting its use as the best alternative.
Another option is R12A (Duracool, Red Tek), which is widely used in Canada and is said to be superior to R134a in almost every way. It has a different filling procedure and requires vacuuming the system down to -30 psi for at least half an hour to boil off moisture before injecting the refrigerant.
Additionally, there are other alternatives, such as R-744 (CO2), which can function as a heat pump in full-electric vehicles (EVs). However, its functionality is limited in temperatures below 23°F, making it less suitable for certain regions.
It is worth mentioning that Australia is also taking steps to phase down R134a, with a ban on importing small air conditioning equipment with high GWP refrigerants, including R134a, from 1 July 2024. This ban, however, does not apply to mobile equipment, such as motor vehicles, caravans, and aircraft.
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Frequently asked questions
As of July 1, 2024, Australia has banned the import and manufacture of small air conditioning equipment using refrigerants with a GWP of over 750, including R134a.
R134a has a global warming potential (GWP) of 1,430, meaning it traps 1,430 times more heat in the atmosphere than carbon dioxide.
R134a was banned due to its high global warming potential, as part of Australia's efforts to reduce emissions of synthetic greenhouse gases and comply with the Montreal Protocol.
Yes, existing equipment containing R134a in Australia is not affected by the ban and can continue to be sold and used. Additionally, equipment imported or manufactured before July 1, 2024, is exempt.
Violating the R134a ban in Australia can result in fines and other penalties. For example, an auto mechanic in Victoria was fined for possessing illegal disposable cylinders of R134a.
