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