GWP 466 LOW IMPACT (EU 2024/573) 2026 F-Gas Impact: MODERATE

R454B is an A2L refrigerant with a GWP of 466. As a primary replacement for R410A in heat pumps and chillers, it provides a significant reduction in F-Gas tax burdens compared to older gases. It offers the perfect balance between high energy efficiency and environmental compliance for the 2026 standards.