R744 - you breathin' it! 🌬️ CO2 Refrigeration Systems have made a huge "comeback" near the Toronto CA market in the past 10-15 years. The Refrigerant is often used for Supermarkets and Ice Rinks in this area. It is attractive due to its high heat transfer rate, and status as a natural Refrigerant. QUESTION: What is your experience with CO2 Systems? 👩‍🔧 Do you work on these, and/or have you learned about them or received training? 📗 https://commons.wikimedia.org/wiki/File:Phase_changes_of_CO2.png CO2 has a pretty wild "Phase Diagram", notable that its critical point shown is 31 Celsius, and can also exist as Dry Ice, or a Supercritical Fluid! ❄️

Posted by Julian Finbow at 2025-02-26 11:16:02 UTC