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R1234yf (OpteonTM YF) is a HFO used as a replacement for R134a in automotive air conditioning. It is the next generation refrigerant for automotive air conditioning.

Packaging Information

  • Available from A‑Gas and wholesale partners.
  • Store cylinders in a cool, dry, well-ventilated area, out of direct sunlight
  • For available package sizes please contact A-Gas on 0800 992 427 or via the Contact Us form


Automotive Air Conditioning

Product Features & Benefits

  • Mildly flammable and non-toxic with a safety classification of A2L
  • Compressors must be charged with modified polyolester oils, contact the compressor manufacturer for more information
  • Similar cooling capacity to R134a
  • Air conditioning systems operating with R1234yf (Opteon YF) are typically more energy efficient than competing technologies and reduce the overall carbon footprint
  • Offers comparable performance to R134a in all climates
  • The pressure and temperature characteristics are similar to R134a
  • Must be used with suitable R1234yf (Opteon YF) accessories

The information contained within this website is for guidance only, for further system specific advice please call A‑Gas directly.