The sort of espresso machine makes use of a single boiler to warmth water for each brewing espresso and steaming milk. This implies the machine should change between brewing and steaming temperatures, requiring a brief wait between duties. A standard instance is a thermoblock machine which quickly heats small quantities of water on demand.
These compact machines provide an entry level into espresso making, usually at a extra accessible value level than twin boiler fashions. Their smaller footprint makes them appropriate for kitchens with restricted counter house. Traditionally, this less complicated design was the usual, paving the best way for extra advanced machines as know-how superior. Whereas the one boiler system presents a workflow problem, it successfully delivers the core performance of espresso brewing and milk steaming.