Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines bring the water up to a boiling point, then force it through finely ground coffee packed tightly into the portafilter. This creates a concentrated espresso. Many models let you regulate key espresso factors such as temperature https://coffeeeuk39639.thenerdsblog.com/35453188/10-basics-to-know-best-home-espresso-machine-you-didn-t-learn-at-school