Home Espresso Machines Espresso machines push hot water under pressure through tightly packed coffee to produce a decadent beverage. It takes time to dial in the ideal conditions for brewing however once you've done it, you'll be unable to return. The most effective machines have reservoirs or continuous water supply. https://coffeeeuk86344.spintheblog.com/30139431/what-is-it-that-makes-espresso-machine-so-famous