← Refrigerants and substitutes
R-454C
low-GWP blend
Composition: blend: R-32 / R-1234yf
A lower GWP than R-454A, for low-temperature applications. Class A2L, with a larger temperature glide.
What this means for you
This refrigerant is approved for use and is not subject to a shrinking quota. It is a safer long-term choice when buying new equipment.
Low-temperature refrigeration. Flammable — requires A2L conditions.
Handling
Class A2L. Low toxicity, mildly flammable. Requires equipment designed for flammable refrigerants, ventilation and detection.
Where to go next
Data source: Referenced in the Manual §2.4.3, §2.4.5, §2.5.1 · values from the Montreal Protocol (Annexes A and C) and AR4 — to be confirmed
Energy Efficiency in the Refrigeration and Air-Conditioning Sector