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 the portafilter. This results in an intense espresso. Many models let you control key espresso factors such as temperature https://coffeee77535.newsbloger.com/30346048/20-misconceptions-about-best-home-espresso-machine-busted