Semi-Automatic Espresso Machines
Semi-automatic espresso machines are generally the most popular choice for consumers who are looking for a traditional espresso machines. Semi-automatic espresso machines feature a boiler, portafilter, and a switch or button to activate/deactivate the pump to perform the espresso extraction. It is this last feature that puts the "semi" in semi-automatic, if you will. While the other features are automated, you have control over when the extraction begins and ends. There are also semi-automatic machines with programmable doses that allow you to program the extraction to stop after a certain length of time. Semi-automatic espresso machines are popular among professional baristas.
