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 packed tightly in a portafilter. This results in an intense espresso. Many models let you control important espresso variables like temperature https://coffeee-uk48614.amoblog.com/bean-to-cup-espresso-machine-what-no-one-has-discussed-51711747