JOPER roasters are proudly manufactured in Portugal by master craftsmen, with traditional high quality durable materials such as cast iron and carbon steel. The result of over 52 years of experience, and continuous technological improvement, JOPER roasters combine these time tested traditional, robust materials with the best industrial quality modern burners, motors, fans, and controls to produce an easy to use, ﬂexible, silent machine. In short, a roaster which is a pleasure to use for long operating periods of time. Multiple thermocouples and temperature displays provide the operator with real time information on incoming air, bean and exhaust temperatures. Our double wall drum, highly adjustable airﬂow, highly adjustable burners, combined with our exclusive heat transfer system, and powerful cooling system, ensure uniform roasting with excellent ﬂavour across a wide range of roast proﬁles, allowing the user to achieve their perfect roast.