Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat the water to near boiling point, then force it through finely ground coffee sucked tightly inside a portafilter. This produces a concentrated espresso. Many models let you regulate the most important espresso elements like temperature https://coffeee-uk46127.blogars.com/29096226/best-home-espresso-machine-explained-in-fewer-than-140-characters