Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to near boiling before forcing it through tightly packed finely ground coffee in the portafilter to create a concentrated cup of espresso. Many models let you regulate key espresso elements like temperature and pressure. https://coffeee88482.getblogs.net/62284790/how-to-make-an-amazing-instagram-video-about-best-home-espresso-machine