How to Choose a Commercial Espresso Machine Commercial espresso machines can be expensive and require regular maintenance and support by a skilled technician. These machines can also require reworking of cafe's plumbing to meet demands for water. Commercial espresso machines have multiple brewing groups and can serve numerous customers simultaneously. https://wwwcoffeeeuk57769.blogzet.com/the-hidden-secrets-of-coffee-espresso-machine-44661458