Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines bring the water up to a boiling point and force it through finely ground coffee packed tightly inside a portafilter. This produces a concentrated espresso. Many models allow you to control key espresso factors like temperature https://wwwcoffeeeuk62513.alltdesign.com/15-best-pinterest-boards-of-all-time-about-bean-to-cup-espresso-machine-49610015