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Collaborative Working Award


With a world-famous food hall comprising hundreds of cold rooms and display cases, the department store sought a new refrigeration system that was safe, energy efficient, environmentally friendly, robust and resilient. It therefore collaborated with a seven-partner team over an 18-month period to find a solution.

It became apparent that the commonly used HFC refrigerants would come under increasing pressure due to their high global warming potential. A carbon dioxide refrigerant operating as a transcritical installation was a proven alternative, with examples of successful installations in operation elsewhere in Europe. Field visits to sites were undertaken to establish the viability of the system.

This is believed to be the first a