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 in a portafilter. This produces a concentrated espresso. Many models allow you to control key espresso factors such as temperature https://coffeee04381.loginblogin.com/36485774/10-meetups-about-best-home-espresso-machine-you-should-attend