Want to create an interactive transcript for this episode?
Podcast: HVAC School - For Techs, By Techs
Episode: 3 Flavors of CO2 w/ Rusty Walker
Description: In this podcast episode, Rusty Walker from Hill Phoenix talks us through the three most common types of market CO2 systems and how they work: secondary, cascade, and booster. Carbon dioxide (CO2) is one of the oldest refrigerants; it is a natural refrigerant that came about when toxic refrigerants like ammonia were common. In the 1980s, we began to rediscover the benefits of CO2 in market refrigeration, including its high latent heat capacity, low costs, and low global warming potential. Secondary systems use an HFO or HFC on top, which acts as the primary system...