Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat the water to near boiling point and force it through finely ground coffee packed tightly into a portafilter. This creates a concentrated espresso. Many models let you regulate the most important espresso elements like temperature https://coffeeeuk84010.blogoscience.com/35899099/30-inspirational-quotes-about-best-home-espresso-machine