Buying an Espresso Coffee Machine Espresso machines heat water to close to boiling and then force it under high pressure through tightly packed ground coffee in portafilters. They also provide steam for milk-based drinks. Most espresso machines have programmable settings to adjust the strength and the size of the drink. https://wwwcoffeeeuk37791.blogproducer.com/36295172/10-life-lessons-we-can-learn-from-coffee-espresso-machine