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In this conversation, we're talking about high ambient strategies for CO2 systems and how proper implementation can help refrigeration porfessionals save customers money. Specifically, this episode covers 3 main strategies: parallel compression, adiabatic gas coolers and ejectors, as well as the importance of customized, location-specific design and implementation. This episode was recorded live as part of a presentation at the 2025 AHR Expo.

In this episode, we cover:

-CO2 high mmbient strategy overview

-Global regulations and CO2 implementation

-Understanding flash gas in CO2 systems

-Parallel compression

-Adiabatic gas coolers

-Ejectors

-Case Study: flash Gas Bypass vs. Parallel Compression vs. Ejectors

-Future of CO2 refrigeration systems

Helpful Links & Resources:

Episode 7. High Ambient Strategies for CO2 Refrigeration with Andre Patenaude