Refrigerant Coupling Systems, Inc. (RCS) manufactures and distributes modern flame-free Axial Swaged mechanically attached fittings serving the needs of mechanical HVAC contractors. RCS ‘s modern cold connection technology provides repeatable high quality leak-free connections that are safe, reliable, fast, and cost effective . RCS advocates and promotes a total systems approach to erecting any refrigerant piping system by offering an array of innovative coupling solutions and field bendable Light Drawn copper tubing.