Reducing the climate impact of refrigerants while increasing energy efficiency in existing supermarket refrigeration systems
The EU F-Gas Regulation has introduced a phase-down of HFCs in Europe. A first massive phase-down step occurred in 2018, significantly reducing the available quota of HFCs. As a result, HFCs with a high global warming potential (GWP) are increasingly under pressure. Supermarket refrigeration is one of the main sectors where high GWP refrigerants have been used over the past decades. Refrigerant solutions with a lower GWP to retrofit existing supermarket refrigeration systems which have not reached their end of life are therefore of key importance. In parallel, considering that energy consumption of refrigeration systems represents on average 50% of a typical supermarket’s energy use, energy efficiency must not be sacrificed when retrofitting existing systems to a new refrigerant. Finally, particularly for existing systems which have not been designed for the use of flammable or high-pressure refrigerants, safety and compatibility with existing components play a key role.
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