Our R22 Alternatives

ModelAboutDownloads
421B
  • Replaces R22/R502/R404A
  • No oil change
  • Low-temp retrofit


  • 421A
  • Replaces R22/R502/R404A
  • No oil change
  • Easiest Retrofit; nearly identical P/T chart to R22


  • R422B
  • Replaces R22
  • No oil change
  • Hydrocarbons
  • P/T chart very close to R22


  • R422D
  • Replaces R22
  • No oil change
  • Hydrocarbons
  • Ideal for Supermarket Racks; mid-high temp R22 replacement


  • R427A
  • Replaces R22
  • No oil change
  • Low GWP
  • Hydrocarbons
  • Meets CARB proposal for low GWP


  • RS-44b
  • Replaces R22
  • No oil change
  • Low GWP
  • Hydrocarbons
  • Lowest GWP; Increased efficiency


  • RS-45
  • Replaces R22/R502/R404A
  • No oil change
  • Hydrocarbons
  • Low Glide; suitable for flooded/recirc. low-temp systems



  • WARNING: These products can expose you to chemicals including chloroform which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to P65warnings.ca.gov