How to Choose a Commercial Espresso Machine Commercial espresso machines can be costly and require regular maintenance and service by a skilled technician. They may also require reworking of the cafe's plumbing to meet water requirements. Commercial espresso machines have multiple brewing groups and can serve many customers at once. https://wwwcoffeeeuk74477.blog-gold.com/36659746/15-things-you-re-not-sure-of-about-coffee-espresso-machine