Refrigerants

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Many supermarkets converted their chlorofluorocarbon (CFC) and hydrochlorofluorocarbon (HCFC) refrigeration systems to hydrofluorocarbon (HFC) systems only to see HFCs targeted for a phaseout. Now, they’re hearing about natural refrigerants, distributed refrigeration, and cascade systems. 

Festival Foods, a Wisconsin-based chain of more than 20 supermarkets, has designed its new Somers, Wisconsin, location with refrigeration equipment from Zero Zone Inc. that is designed to run on Honeywell’s Solstice® N40 (R-448A).

It may be that different levels of RDL are set in the same way that a driving license here [in Europe] allows you to drive a car or a small van up to a certain level, but to drive a bigger van or a motorbike requires some further testing or qualifications. It’s early days in our discussions, and there are a number of big issues to iron out before the project starts looking at any conclusion.

Utilities representatives and supermarket end-users recently met to develop solutions for incentivizing the use of natural refrigerants in supermarkets and convenience stores. More than 35 participants came together on Aug. 4, at the National Grid corporate offices in Waltham, Massachusetts.

Keeping a system clean, dry, and tight really comes down to service technicians and how they handle installing or servicing a system. Here are some basic installation and service procedures that will ensure we always leave a system clean, dry, and tight.

Johnson Controls has donated $100,000 to ASHRAE Research. The donation will help fund research that supports the development of safety standards regarding the use of mildly flammable, low-global warming potential (GWP) refrigerants.