R-744

A Brief History of CO2 as a Refrigerant

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refrigerant Paris Agreement

Bryan Kilgore, ERS, for Zondits Using CO2, or R-744, as a refrigerant is not a new concept, but it has not had widespread commercial use since the 1930s. The use of CO2 as a refrigerant was replaced in 1930 with a new synthetic refrigerant, developed by DuPont and General Motors, known as Freon. Freon is … Read more

The State of Technology: Refrigeration

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refrigeration

Chris Zimbelman, Max Ma, and Bryan Kilgore, ERS, for Zondits March 22, 2016. Image credit: Marco d’Itri As part of the state of technology series, the refrigeration team pulled together a few different updates on some new technologies in the refrigeration world. Here are a few happenings that we thought were interesting. Magnetic Refrigeration Keeping things … Read more