Buying an Espresso Coffee Machine Espresso machines heat water to near boiling and then force it through tightly-packed ground coffee in portafilter baskets under pressure. They also supply steam for milk-based drinks. The majority of espresso machines are programmable settings that can alter the strength and volume of the beverage. https://www-coffeee-uk06337.glifeblog.com/29161835/10-places-that-you-can-find-coffee-espresso-machine