Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to near boiling and force it through tightly packed finely ground coffee into a portafilter to extract an espresso that is concentrated. Many models let you control key espresso factors like temperature and pressure. https://www-coffeee-uk32597.ezblogz.com/61483950/10-graphics-inspirational-about-bean-to-cup-espresso-machine