Buying an Espresso Coffee Machine Espresso machines heat the water to near boiling and then force it under high pressure through tightly packed ground coffee portafilters. They can also be used to create milk-based drinks. The majority of espresso makers have customizable settings for different sizes of drinks and strengths. https://coffeee-uk05230.wssblogs.com/29846576/are-coffee-espresso-machine-the-most-effective-thing-that-ever-was