How to Choose a Commercial Espresso Machine Commercial espresso machines can be expensive and require regular maintenance and servicing by a trained technician. These machines may also require reworking the cafe plumbing to accommodate the water requirements. Commercial espresso machines have multiple brewing groups and can serve many customers simultaneously. https://wwwcoffeeeuk89380.thechapblog.com/29320445/5-lessons-you-can-learn-from-coffee-espresso-machine