Fresh Thinking - Blog

Advances in technology have made the use of environmentally friendly CO2 refrigerant in booster systems practical across a wide range of applications. Since early this decade, supermarkets in North America have increasingly been coming to rely on these systems. Industrial operators are also beginning to appreciate their advantages. But not everyone understands how they work. Since the middle of the last decade, CO2 has been used as a refrigerant in both secondary and cascade-type systems across the grocery and supermarket industry. These approaches rely on CO2 as either a single-phase secondary coolant, or as a lower cascade direct expansion refrigerant.