![]() Technicians need to learn how to take their time and do the job right when they work on CO2 equipment so that they can be safe and save energy. ![]() These issues require skilled, attentive technicians.Īs the industry moves to natural refrigerants like CO2 and hydrocarbons, we need to stop the race to the bottom. Since CO2 can exist as a liquid, vapor, or solid under operating conditions, you could end up with dry ice in the system. However, CO2 has some challenges, including its low critical point and higher pressures.ĬO2 comes with some safety concerns, and its systems have a complicated infrastructure. CO2 is one of the most eco-friendly refrigerants on the market, with a GWP of 1, and it’s very good at moving heat. Trevor Matthews, the founder of Refrigeration Mentor, returns to the podcast to talk about why CO2 matters in commercial refrigeration and even HVAC applications.ĬO2 (R-744) has entered the residential HVAC sphere in some places around the world, though it hasn’t come to the North American markets yet.
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