What to Look For in a Professional Espresso Machine You'll require a machine that has the capability to control the pre-infusion. This is important to develop flavor. Many coffee experts also search for PID temperature control in a professional machine. If you're planning to hire baristas with little experience, you'll https://coffeee35685.ampedpages.com/then-you-ve-found-your-buy-espresso-machine-now-what-57120115