The Basic Refrigeration System. June 2, 2005. This is another in a series of columns addressing advanced basics in the understanding of the refrigeration cycle. In this column and the next ... A ...

Carbon dioxide (CO2) is not new to refrigeration systems. Alexander Twining proposed using CO2 as a refrigerant in a British patent granted him in 1850. Thaddeus S.C. Lowe, perhaps best known for his ...