Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to near boiling before forcing it through a tightly packed finely ground coffee in a portafilter to extract an espresso that is concentrated. Many models allow you to manage key espresso variables like temperature https://coffeee-uk59454.dailyblogzz.com/30358052/what-is-the-evolution-of-best-home-espresso-machine