Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water until near boiling and force it through tightly packed finely ground coffee in a portafilter to extract an espresso that is concentrated. Many models allow you to control key espresso factors such as temperature https://coffeee25723.diowebhost.com/84949628/15-up-and-coming-best-home-espresso-machine-bloggers-you-need-to-watch