Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines bring the water up to a boiling point and force it through finely ground coffee sucked tightly in the portafilter. This creates a concentrated espresso. Many models let you regulate key espresso factors such as temperature https://coffeeeuk95326.suomiblog.com/what-you-can-do-to-get-more-from-your-best-home-espresso-machine-45463989