It is very difficult to say which grill is the best in this world, but I have come to the conclusion from some of my experiences which are written below. I selected some best professional smokers. 1. Masterbuilt MB20071117 Digital Electric Smoker 2. Weber Summit 7171001 E-470 3. Traeger Pellet Grills TFB30KLF 4. Z GRILLS 2020 Upgraded Wood Pellet Grill and Smoker 5. Solaire 30-Inch Infrared Propane Cart Grill