R-407C Refrigerant (HFC, R-22 Replacement)

R-407C Refrigerant – HFC Blend for R-22 Retrofits

R-407C refrigerant is an HFC blend developed as a non-ozone depleting replacement for R-22 in air conditioning and refrigeration applications. With thermodynamic properties similar to R-22, it is commonly used in retrofit projects for existing systems, as well as in some OEM equipment designed prior to the industry’s transition to R-410A.

Common Applications

  • Residential and light-commercial air conditioning systems
  • Heat pumps
  • Packaged A/C units designed for R-22 retrofits

Cylinder Sizes & Packaging

  • 25 lb cylinder (standard service size)

Key Advantages

  • Direct retrofit option for many R-22 systems
  • Zero ozone depletion potential
  • Similar operating pressures to R-22

Important Notes

  • Retrofit requires system modifications. R-407C is not a drop-in replacement; filter drier, oil, and component adjustments may be necessary.
  • Not commonly used in new equipment. Most modern systems use R-410A, R-32, or R-454B instead.
  • Certification: EPA Section 608 certification may be required for purchase and handling.

Looking for alternatives? Compare R-22 or browse our full HFC refrigerant lineup.

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