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 into a portafilter. This creates a concentrated espresso. Many models let you control important espresso variables like temperature and https://www-coffeee-uk90300.angelinsblog.com/29332306/best-home-espresso-machine-explained-in-fewer-than-140-characters