Benefits of an Espresso Machine In an espresso machine, hot water is pushed at high pressure through finely ground coffee beans. This produces a rich, smooth drink that's commonly known as espresso. The first espresso machines were powered by steam. They use a single boiler to make multiple drinks simultaneously. https://www.coffeee.uk/products/de-longhi-stilosa-ec260-bk-traditional-pump-espresso-coffee-machine