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CO2 Refrigeration in Ice Rinks

The recently remodeled Dollard-des-Ormeaux Civic Centre in Quebec, Canada uses a carbon dioxide refrigeration system to freeze the floor of the ice rinks as well as provide building heating. The details of this project were published in a paper titled “CO2 Showcase for Ice Rinks, Pools” by Kateri Heon and Pietro Guerra from exp. Inc. in the August, 2015 ASHRAE Journal. According to the authors, what immediately emerged from the study was that: CO2 offered significant advantages for the project, compared to ammonia. This is despite ammonia compressors having an average coefficient of performance (COP) value of 3.45, which is...

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