Buying an Espresso Coffee Machine Espresso machines heat water to a temperature near boiling and then force it under a high pressure through tightly packed ground coffee portafilters. They also supply steam for milk-based drinks. The majority of espresso makers have customizable settings for different sizes of drinks and strengths. https://coffeee-uk42782.azzablog.com/29968140/everything-you-need-to-learn-about-coffee-espresso-machine