What to Look For in a Professional Espresso Machine You'll want a machine which can control the pre-infusion, which is essential for establishing aroma and flavor. Many coffee experts also search for PID temperature control in a professional machine. If you're planning to hire baristas with no experience, you'll need https://wwwcoffeeeuk83428.total-blog.com/how-to-create-an-awesome-instagram-video-about-buy-espresso-machine-55102949