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 | Apr 7, 2016 | Efficiency & Refrigerant Regulations, Refrigerants
This is post number 12 of a series. Secondary Systems Figure 6 shows a simple secondary system. The high-stage system cools the liquid R744 in the secondary circuit. The R744 is pumped around the load. It is volatile, so unlike a conventional secondary fluid such as...