Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to near boiling and force it through tightly packed finely ground coffee in a portafilter to extract a concentrated cup of espresso. Many models let you regulate key espresso elements like temperature and pressure. https://www-coffeee-uk93426.xzblogs.com/71119986/10-things-we-all-were-hate-about-best-home-espresso-machine