Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines make the water hot to close to boiling point and force it through finely ground coffee packed tightly in the portafilter. This results in a concentrated espresso. Many models allow you to control key espresso factors https://coffeee85867.theisblog.com/30046004/a-best-home-espresso-machine-success-story-you-ll-never-remember