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Refrigeration & Air Conditioning Mechanic Red Seal · Question

Which type of refrigerant has an ODP of zero and a relatively low GWP, making it a common HFC replacement for R-22 in new equipment?

R-410A is a blend of HFCs with zero ODP and a lower GWP than many older refrigerants, widely adopted as an R-22 alternative in new systems.

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Question: Which type of refrigerant has an ODP of zero and a relatively low GWP, making it a common HFC replacement for R-22 in new equipment?

Answer options: ✅ R-410A

  • R-12
  • R-502
  • R-600a

Correct answer: R-410A

Explanation: R-410A is a blend of HFCs with zero ODP and a lower GWP than many older refrigerants, widely adopted as an R-22 alternative in new systems.

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