First-of-Its-Kind HFC-Free Grocery Refrigeration System Uses Glycol and CO2
Mar 21, 2012
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Hill Phoenix, manufacturer of commercial refrigeration equipment, recently helped Fresh & Easy Neighborhood Markets to open a new GreenChill Platinum Award-winning store in Folsom, CA - a store that reduces refrigerant use by 98% and eliminates HFCs. GreenChill is a U.S. Environmental Protection Agency Partnership with food retailers aimed at reducing refrigerant emissions and decreasing their impact on the ozone layer and climate change.
While a typical supermarket in the United States uses about 3,500 pounds of refrigerant, the new store in Folsom uses just 70 pounds. This 98% reduction in refrigerant use helped it earn GreenChill's highest award.
"The Folsom store is a fantastic example of the innovation that can be accomplished when government works together with businesses in a voluntary partnership to protect the environment and save money at the same time," said Deborah Jordan, Director of EPA Region 9's Air Division. "We are proud to be involved in this very successful project."
The new store uses Hill Phoenix Second Nature medium temperature fixtures and walk-ins running on glycol, as well as low temperature fixtures and walk-ins running on C02. Glycol and C02 are environmentally friendly, natural alternatives to harmful HFC refrigerants.
Henry Pellerin, director, marketing programs for Hill Phoenix said the grocery effectively eliminated HFCs from the store's refrigeration system by using medium temperature glycol to condense the low temperature CO2--a function typically achieved using HFC refrigerant.
"The Folsom Fresh & Easy is the only store in the nation, to date, that uses this innovative type of system," Pellerin said.
The Hill Phoenix Second Nature Compact Chiller (SNCC) uses a unique heat exchanger technology that allows engineers to design a typical medium temperature supermarket system with the lowest refrigeration charge of any commercial refrigeration system on the market. The company said it enables retailers to achieve a sustainable zero leak rate. SNCC is comprised of multiple compact chiller modules. Each module is a standalone refrigeration system, factory-assembled and run-tested prior to delivery.
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