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HFOs are our future – don’t rely on HFCs

While South Africa still struggles to phase out HCFCs, the developed world has already moved onto getting rid of HFCs. It’s important that we as a country don’t simply replace HCFCs with HFCs now and this is a short-term solution. What HFO alternatives are available?

Read more: HFOs are our future – don’t rely on HFCs

Recent refrigerant developments for HVAC&R systems

Check out the extremely informative Emerson Climate Technologies presentation entitled ‘Recent Developments in Refrigerants for Air Refrigerants for Air-Conditioning Conditioning and Refrigeration Systems’ to get a better idea of the global refrigerant landscape.

Read more: Recent refrigerant developments for HVAC&R systems

New refrigerants approved for two-stage reciprocating compressors

The compressor specialist Bitzer has optimised its two-stage reciprocating compressors. All models can now be run with R448A and R449A refrigerants and thermostatic expansion valves.

Read more: New refrigerants approved for two-stage reciprocating compressors

Refrigerant alternatives: Forane 407A an approved solution

The US Environmental Protection Agency (EPA)’s rule affirmed that Arkema’s Forane 407A, an alternative to R404A, R507A, and R22 in refrigeration applications, can continue to be used in supermarket systems and remote condensing units for both new equipment and retrofits, according to Patti Conlan, fluorochemicals refrigeration market manager, Arkema Inc.

Read more: Refrigerant alternatives: Forane 407A an approved solution

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