SARATOGA, N.Y. — Price Chopper Supermarkets, Schenectady, N.Y., has installed a refrigeration system in a remodeled store here that uses a carbon dioxide cascade design for low-temperature refrigeration in the frozen food and ice cream departments, Hill Phoenix announced this week. This represents the first such installation in a North American supermarket, according to Conyers, Ga.-based Hill Phoenix, which supplied the system. Carbon dioxide is far less expensive than HFC refrigerant (50 cents per pound compared with $7 or $8 per pound) and also enables the system to use smaller line sizes and less copper piping. In addition, the global warming potential for carbon dioxide is one compared with that of 3,300 for HFC refrigerant, enabling Price Chopper to reduce its carbon footprint, said Hill Phoenix.
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