Buying an Espresso Coffee Machine Espresso machines heat water until near-boiling and then force it through tightly packed ground coffee into portafilter baskets under pressure. They also provide steam for drinks made from milk. Most espresso machines have programmable settings to adjust the strength and the size of the beverage. https://www-coffeee-uk23398.fireblogz.com/61162099/10-quick-tips-for-coffee-espresso-machine