Benefits of an Espresso Machine In an espresso machine hot water is pushed at high pressure through finely grounded coffee beans. This creates a smooth, rich beverage known as espresso. The first espresso machines were steam-powered. These machines utilize a single boiler to brew several drinks at the same time. https://www.coffeee.uk/products/de-longhi-ec885m-espresso-machine-in-stainless-steel