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 for developing flavor. Many coffee experts also look for PID temperature control in a professional machine. If you plan to hire baristas with little experience, you'll https://coffeee-uk94017.mybjjblog.com/five-things-everybody-gets-wrong-about-buy-espresso-machine-43179393