Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines bring the water up to a boiling point before forcing it through finely ground coffee that is packed tightly inside a portafilter. This results in a concentrated espresso. Many models let you control key espresso factors https://coffeee-uk01146.blog2freedom.com/29853467/what-s-the-reason-nobody-is-interested-in-best-home-espresso-machine