Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat the water to near boiling point before forcing it through finely ground coffee packed tightly in a portafilter. This creates an intense espresso. Many models let you control key espresso factors like temperature and pressure. https://www-coffeee-uk14405.bloggin-ads.com/53212545/20-truths-about-best-home-espresso-machine-busted