REFRIGERANTS
Residential and small commercial air-to-airsystems
Air-to-air systems face additional complexity due to refrigerant circuits extending into buildings, creating greater installation challenges when using 1) will become increasingly important solutions for larger residential and small commercial installations.
properties position it to remain the dominant solution in the medium term, particularly in regions requiring both heating and cooling capabilities.
Commercial air-to-air applications Large commercial systems, including Variable
extended transition timelines within the legislation. The industry has successfully transitioned from R-410A to R-32 in this segment, providing solutions for new installations until at least 2033.
next step for commercial applications. As an ultra-
long-term sustainability. However, successful
comprehensive training programmes for handling higher-pressure systems.
The road ahead The path forward involves incremental progress, carefully balancing refrigerant properties with phase-down timelines. R-32 will continue serving as the balanced choice for many applications, enabling
safety requirements and installation space permit, albeit at higher costs due to enhanced safety measures.
the long-term solution for medium- and large- scale commercial systems, deserving full industry attention from manufacturers, engineers, and installers alike. The successful evolution of the F-gas regulations hinges on understanding the nuanced requirements and adopting strategic approaches that strike a balance between environmental responsibility and practical application needs. By maintaining this perspective, the industry can continue to support the decarbonisation of the built environment while remain accessible across all market segments. The transition period provides a valuable opportunity for continued development and market preparation, ensuring a smooth evolution toward more sustainable refrigerant technologies without compromising system performance or accessibility.
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www.acr-news.com • August 2025 19
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