Bryan Kilgore, ERS, for Zondits Using CO2, or R-744, as a refrigerant is not a new concept, but it has not had widespread commercial use since the 1930s. The use of CO2 as a refrigerant was replaced in 1930 with a new synthetic refrigerant, developed by DuPont and General Motors, known as Freon. Freon is … Read more
Bryan Kilgore, ERS, for Zondits Panasonic has released a new 30-horsepower CO2 refrigeration system that they created by linking their 20 hp and 10 hp CO2 systems already in production. This hybrid/cascade system is intended to meet the capacity needs of supermarkets, where their two smaller systems are popular with convenience stores. In Japan the size of … Read more
R450A increases efficiency in CO2 cascade Cooling Post, March 20, 2016. Image credit: Honeywell Honeywell is having further success in deploying lower GWP HFO refrigerant blend R450A in combination with CO2 in cascade refrigeration systems. Covirán worked closely with its Logroño-based specialist partner Systemfrost to develop a solution that would combine best-in-class performance with sustainability. Systemfrost … Read more