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25.02.2018 Refrigerants

Eco-Efficiency Comparison of Supermarket Architectures

Honeywell refrigerants article written by Nacer Achaichia, Technology Leader EMEAI and Pavel Wisnik Senior Application Engineer – July 2017

Commercial refrigeration has been under scrutiny by politician and regulators around the world, because of the use of high GWP (Global Warming Potential) fluids like R-404A and because of high leak rates. 


In Europe, the F-Gas Regulation has a ban on high GWP refrigerants, and also a phase down on the use of HFCs based on their CO2 equivalent. 

The use of refrigerants with low GWP will provide a future-ready solution. To respond to the challenges of the F-Gas and to reduce energy consumption in commercial refrigeration, many new architectures are under investigation and development. 

Current solutions available that can be used to help the commercial sector meeting F-Gas targets, are twofold. 


For existing R-404A systems, retrofitting with a lower GWP refrigerant is the quickest, most economical and environmentally friendly solution.
For new systems, several architectures are being explored. The combination of R-744 with newly developed HFOs and HFO blends offers added benefits of safety and performance.

Eco-efficiency is one of the best basis to compare various architectures in terms of not only environmental, but also economic impact. 

To download and read the rest of the article “Eco-Efficiency Comparison of Supermarket Architectures”, click here.