Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water until near boiling before forcing it through tightly packed, finely ground coffee in the portafilter to create a concentrated cup of espresso. Many models let you control key espresso factors like temperature and pressure. https://wwwcoffeeeuk56394.blogs-service.com/60887995/10-failing-answers-to-common-bean-to-cup-espresso-machine-questions-do-you-know-the-right-ones