How to Choose a Commercial Espresso Machine Commercial espresso machines can be expensive and require regular maintenance and support by a trained technician. These machines can also require reworking the cafe's plumbing to meet the water demands. A commercial espresso machine has multiple brewing groups and can be used to https://coffeee32356.tinyblogging.com/10-simple-ways-to-figure-out-your-bean-to-cup-espresso-machine-73529565