What to Look For in a Professional Espresso Machine You'll need a machine with the ability to control the pre-infusion. This is important for developing flavor. Many coffee experts also look for PID temperature control in the best machines. If you're planning on hiring baristas with no experience, you'll need https://coffeeeuk53951.widblog.com/84785444/the-buy-espresso-machine-success-story-you-ll-never-imagine