by Andre Patenaude | Jan 23, 2024 | Efficiency & Refrigerant Regulations, Refrigerants
In post 11 of our CO2 as a Refrigerant blog series, I provide an introduction to CO2 cascade systems used in commercial refrigeration systems. A CO2 cascade system is comprised of two distinct stages and systems: A low stage provides the cooling using R-744, always...
by Andre Patenaude | Jan 23, 2024 | Efficiency & Refrigerant Regulations, Refrigerants
For the final post of our CO2 as a Refrigerant blog series, I examine which CO2 system architectures are best suited for different retail scenarios and review emerging strategies for improving energy efficiencies. By far, the most common CO2 refrigeration system used...
by Andre Patenaude | Jan 23, 2024 | Efficiency & Refrigerant Regulations
This is the first post of CO2 as a Refrigerant, a blog series covering the fundamental considerations and characteristics of CO2 as a refrigerant (R-744). CO2 offers a proven, sustainable refrigeration strategy — with a global warming potential (GWP) of 1 and zero...
by Andre Patenaude | Feb 21, 2023 | Cold Chain
The spectrum of supermarket sustainability concerns has expanded significantly in recent years. As more retailers set short- and long-term sustainability targets, many are evaluating opportunities to reduce their carbon footprints while earning a return on investment...
by Ken Monnier | Feb 14, 2023 | Solutions Spotlight
The International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) recently announced the winners of its 2023 Innovation Awards, and Copeland variable-speed and two-stage compressors picked up top honors in the refrigeration and heating categories. In...