As in previous years ATMOsphere America 2015, organised in Atlanta on 25-26 June, provided an opportunity to learn about the very latest technology developments. A series of technology case study sessions focused on industrial refrigeration, heat pumps, and new applications provided no shortage of evidence on the advantages of CO₂ in applications beyond the world of commercial refrigeration.

Aquilon - CO_{2 t}ranscritical cooling for data centres proves its worth at Bell Canada

Alongside their new chiller line for ice rinks, Canadian CO₂ specialists Carnot Refrigeration presented their newest CO₂ technology for data centers, called the Aquilon. Installed at telecommunications company Bell Canada, in Ottowa, the pioneering refrigeration system for the cooling of server rooms uses a technology called CO₂ Rain Cycle Free Cooling. With a capacity of 105kW (30TR) the unit has been in operation for 4,200 hours, with 4,100 hours in thermosyphon free cooling (TFC) mode.

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