Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat the water to near boiling point before forcing it through finely ground coffee that is packed tightly inside the portafilter. This results in an intense espresso. Many models allow you to regulate key espresso elements https://www-coffeee-uk48589.daneblogger.com/29325368/17-signs-to-know-if-you-work-with-bean-to-cup-espresso-machine