Benefits of an Espresso Machine In an espresso machine hot water is forced through the finely grounded coffee beans. This creates a rich smooth, smooth drink that is commonly called espresso. The first espresso machines were steam powered. These machines utilize a single boiler to make multiple drinks at once. https://www.coffeee.uk/products/de-longhi-barista-pump-espresso-machine-coffee-cappuccino-maker-black