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 into an espresso portafilter, resulting in a concentrated cup of espresso. Many models allow you to manage key espresso variables like temperature https://coffeeeuk27557.madmouseblog.com/10271634/10-facts-about-best-home-espresso-machine-that-will-instantly-make-you-feel-good-mood