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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF E35-421
Refrigerating systems and heat pumps - Test method of equipment for recovery, recycling and reclaim of refrigerants used in refrigerating systems and heat pumps

Edition 2022-12-09

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF E35-421 Refrigerating systems and heat pumps - Test method of equipment for recovery, recycling and reclaim of refrigerants used in refrigerating systems and heat pumps

Want to learn more?

NF E35-421
Refrigerating systems and heat pumps - Test method of equipment for recovery, recycling and reclaim of refrigerants used in refrigerating systems and heat pumps