WHAT IS A SEMI-AUTOMATIC ESPRESSO MACHINE?
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 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.