NEW YORK — Whole Foods Market , Austin, Texas, recently opened a store here that has earned platinum certification from the Environmental Protection Agency’s GreenChill Partnership, one of only six stores nationally to receive the program’s highest certification level for refrigeration best practices.
To earn the platinum certification, the store, located on 57th Street and Second Avenue in Manhattan, has a refrigerant leak rate of no more than 5%, compared to the overall industry rate of 25%. Its refrigeration system has a refrigerant charge (weight) of no more than 5 pounds per 1,000 BTUs per hour total evaporation cooling load.
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The Whole Foods store employs one Protocol refrigeration system for low-temperature cases and four Protochill refrigeration units, which include a secondary-loop element, for medium-temperature cases, with a total synthetic refrigerant charge of 400 pounds of R-404A, according to Hussmann, provider of the systems. Glycol is used to cool the medium-temperature cases.
GreenChill’s other platinum-certified stores include an Albertsons  in Carpinteria, Calif.; a Fresh & Easy  in Folsom, Calif.; a Sprouts  in Thousand Oaks, Calif.; a Shaw’s  in Chesnut Hill, Mass.; and a Price Chopper  in Colonie, N.Y.
GreenChill has a total of 89 certified stores, which also include 29 gold- and 54 silver-certified outlets.
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