Mitsubishi Electric UK has launched a new generation of its City Multi VRF air conditioning system, transitioning to the lower-GWP refrigerant R32. The move signals a broader industry shift away from higher-GWP synthetics in response to stricter F-gas regulations across Europe and the UK.
R32 systems represent a practical compromise for commercial applications. The refrigerant delivers equivalent cooling capacity to legacy alternatives whilst reducing global warming potential by approximately 68 percent. For facility managers and building services engineers, this translates to regulatory compliance without complete system redesigns.
The timing reflects market pressures: EU F-gas quotas continue tightening, and UK regulations, whilst diverging post-Brexit, increasingly mirror European standards. Specifiers working on new commercial installations or major refurbishments must now treat R32 compatibility as a baseline requirement rather than an upgrade option.
Mitsubishi's move into R32 VRF suggests the technology has matured sufficiently for mainstream commercial deployment. Competing manufacturers including Daikin and Fujitsu have already offered R32 variants, making the transition less a competitive advantage and more a market expectation.


