Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines make the water hot to close to boiling point and force it through finely ground coffee sucked tightly in the portafilter. This produces a concentrated espresso. Many models let you control the most important espresso elements https://coffeee-uk79188.estate-blog.com/29341311/17-signs-to-know-you-work-with-bean-to-cup-espresso-machine