Benefits of an Espresso Machine In an espresso machine, hot water is forced under high pressure through finely ground coffee beans. This creates a rich smooth, smooth drink that is commonly called espresso. The first espresso machines were steam-driven. These machines utilize one boiler to make several drinks at once. https://www.coffeee.uk/products/de-longhi-pump-espresso-machine-1450w-1-4l-reflection-bronze