CO2 as a Refrigerant — Comparison of R744 with Other Refrigerants

Jul 16, 15 | Efficiency, Efficiency & Refrigerant Regulations, Refrigerants

Share This Post

 This is post number six of a series, and compares CO2 to both traditional and new refrigerants. R744 vs. Other Refrigerants Table 1 shows a simple comparison of R744 with other types of refrigerants, including those that are currently commonly used and those that are currently being evaluated for future use. It uses a simple “traffic light” system and employs the common HFCs, such as R404A and R134a as a baseline. This provides a simple introduction to the options — the situation varies globally, especially in the availability of refrigerants, components and expertise. For retail applications a well-designed and installed R407A/F system generally has better efficiency than R744 systems. However, the overall environmental performance of R744 systems is better, primarily because of the low GWP in the event of leakage
Comparison of R744 with Other Refrigerants

Table 1: Comparison of R744 with other refrigerants

Blog post seven in this series will weigh the advantages and disadvantages of R744.