DeCA chose to adopt a NH3/CO2 cascade system for two main reasons: (1) to control future capital and operating costs, and (2) to meet the energy and sustainability goals the U.S. Government has established for all public buildings.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Low-GWP Alternatives In Commercial Refrigeration (PDF)(3 pp, 675 K, June 2015)