OSO delivers fully insulated and complete products with smooth pipe heating coils to some of the leading suppliers of heat pumps and boilers in the US and European market. OSO’s OEM products combines low heat loss and efficient heat transfer with the well-known OSO quality. Our custom-made, fully insulated OEM products complete many of the best-selling and most efficient heat pump systems in Europe. Our smooth-pipe (no limescale build up) stainless heating coils up to 3,0m² will perfectly fit any heat pump system up to 15 kW. Customer specified insulation values with OSO NANOPUR and vacuum insulation panels, choice of connections and design together with a vast range of heating coil options are a matter of course. Unique experience with high grade stainless steels such as Super-Duplex enables us to meet any customer requirement.