@refrigerationmentor: Do you know how an adiabatic gas cooler works on a CO₂ system? It uses water to pre-cool the air before that air passes through the coil. As the water evaporates, the air temperature drops. Cooler air across the coil helps improve heat rejection. On a CO₂ system, that can help lower gas cooler outlet temperature and reduce high-side pressure during hot ambient conditions. New to CO₂ refrigeration? Go to our bio, click the courses page, and register for the Introduction to CO₂ course. #RefrigerationMentor #refrigeration #co2 #gonatrefs #hvacr #commercialrefrigeration #supermarketrefrigeration #refrigerationtraining #refrigerationtechnician