Coffee and Espresso Machines Espresso machines utilize pressure in order to make water into finely ground and tamped beans. They produce a rich, flavorful brew. Experts from the Good Housekeeping Institute recommend models that brew at a minimum pressure of 9 bars in order to get the best extraction. Beware https://www.coffeee.uk/products/de-longhi-vintage-icona-espresso-cappuccino-machine-cream-1-4l