A refrigerant air dryer performs the essential function of removing water vapor and the contaminants it carries from compressed air. Quincy’s Refrigerated Air Dryers purify compressed air by chilling it to approximately 37°F. This causes entrained moisture to condense. Condensed moisture carries airborne dirt and oil to the separator where it is removed from the air stream by an automatic drain. We offer a wide selection of state-of-the-art air compressor dryer products including non-cycling, cycling and compact high-temperature dryers for numerous industrial applications.