Refrigeration

Process Efficiency

CO2 and Ammonia – Natural Alternatives

That was the context of the second Atmosphere America Natural Refrigerants Conference that took place this summer in Washington, D.C. The approach was a very unsentimental business case for wider use in North America, especially the U.S., of such refrigerants as ammonia (R-717), CO2 (R-744), and the HC propane (R-290).

Energy Efficiency

Leading the Way in Energy Efficient Grocery Stores

Delhaize America this week is opening a grocery store that will use carbon dioxide as a refrigerant rather than hydroflourocarbons (HFCs) — the first such supermarket in the US, according to the Environmental Investigation Agency.

Building Efficiency

CO2 Refrigeration Integral to Net Zero Energy Project

When they pop into the Walgreens store at the intersection of Chicago Avenue and Keeney Street in Evanston, Illinois, consumers probably will be buying milk, refilling their prescription, or printing photos from their summer vacations.

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