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 sucked tightly inside a portafilter. This produces an intense espresso. Many models allow you to control important espresso variables like temperature and https://coffeeeuk27628.ageeksblog.com/29163291/a-time-travelling-journey-how-people-talked-about-best-home-espresso-machine-20-years-ago