After 3 months of use and 150 pounds of coffee, it's been a great little roaster for selling coffee at my local farmer's market. While this isn't designed for mass production, I've had no trouble roasting 10
The infrared burner limits the color. If you think the color of your coffee is important, you should go for the direct flame. Controls: Automated machines are easier to control. They can be a convenient device since they do not require much attention from the roaster.