Buying an Espresso Coffee Machine Espresso machines heat water until near-boiling and then force it through tightly-packed ground coffee into portafilters under pressure. They can also be used to create milk-based drinks. Most espresso machines have programmable settings that allow you to alter the strength and size of the drink. https://www-coffeee-uk10221.bloggerswise.com/36504742/10-places-to-find-coffee-espresso-machine