Skip to content
AGAS - Together we can


R1234yf (SolsticeTM yf) is a HFO used as a replacement for R134a in automotive air conditioning. R1234yf (SolsticeTM yf) has a Global Warming Potential (GWP) under the limit set by the EU’s Mobile Air Conditioning (MAC) Directive and is the next generation refrigerant for automotive air conditioning.

Packaging Information







  • Available from A‑Gas wholesale partners - find a supplier
  • The refrigerant cylinder has a left-handed threaded valve outlet
  • Connections on a car are different for R134a - please contact the accessory supplier for more information
  • Store cylinders in a cool, dry, well-ventilated area, out of direct sunlight
  • A‑Gas operates a returnable cylinder fleet - empty cylinders are to be returned to an A‑Gas wholesale partner
  • For alternative or larger package sizes please contact A‑Gas on 01275376600 or via the Contact Us form


Automotive Air Conditioning

Product Features and Benefits

  • GWP: 4 - 97% lower than the EU’s Mobile Air Conditioning (MAC) Directive requirement of less than 150 and 99.7% lower than R134a
  • 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 R-1234yf (SolsticeTM 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 R-1234yf (SolsticeTM yf) accessories
  • The information contained within this website is for guidance only - for further system-specific advice please contact us directly