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How to Build a Professional Espresso Machine This is a great choice for coffee shops and cafes who want to attract customers who are passionate about barista and espresso skills. It's the official machine used for the World Barista Championships, and it shows. The barista is able to refill the reservoir with water throughout their shift. The machine is equipped with hot water for tea and cool-touch steam wands. Water A commercial espresso machine needs to be able to create large quantities of espresso-based drinks effectively. This is why these machines are usually constructed of stainless steel which is more durable and resistant to scratches and break. These espresso machines are easier to maintain and clean. A good machine has a shut off valve for the water line, to prevent the buildup of limescale. This will ensure that any repairs are made to the specific machine components and won't impact the remainder of your operation. Check your water and ensure that it has been treated properly. For instance the distilled water can be refining by adding a small amount of minerals back to it. It can enhance the taste and reduce its erosive properties, however it could also cause damage to certain machines. The remineralized wate will make the boiler sensor think the machine is full and it isn't. This can cause the machine to overheat and be damaged. Grinder The grinder is a crucial component of an espresso machine that works. It is used to take a raw, unground bean and transforms it into finely ground coffee that can be properly put into the filter basket, resulting in an excellent extraction. Professional-grade commercial machines include grinders that can be programmed to accommodate different sizes of drinks. This guarantees consistent results every time. Super-automatic espresso machines take this one step further, implementing automation and programming the entire process from brewing to dispensing. These machines are often praised in Lab tests for their ease to use. Semi-automatic or manual machines require more work from the barista, but the results are worth the effort. This model was awarded a Good Housekeeping Coffee Award in 2022 for its clever dosing mechanism that measures and distributes the right amount of coffee each time. espresso machines for home features an infusion with low pressure for an even extraction, and an milk frother that created dense, thick steamed milk during our tests. Temperature Temperature is a major aspect in espresso. If the water isn't in its ideal temperature, it can affect extraction and can cause an unpleasant cup of coffee. Fortunately, high-quality espresso machines have tools that allow you to keep your water at the right temperature. A PID monitors and regulates the temperature of water. Double boiler systems are another way to accomplish this. This lets you make use of one boiler for steam and tea and the other one to heat water to brewing temperatures. Carles says that these types of systems can make a difference for large corporations and baristas at home alike. They make it easier for novices to determine the ideal espresso shot since they can keep an accurate temperature and avoid some of the variables that can alter the flavor profile. It is also easier for baristas who have more experience to dial in their shots just the way they want. Pressure The pressure an espresso machine uses is another factor which affects the quality of the coffee it makes. Many espresso drinkers have noticed that their drinks taste different based on the pressure that is used, even though all other elements remain the same. In general, most commercial-grade machines utilize nine bars of pressure to brew espresso. These machines also tend to be driven by pumps rather than steam-driven. Although there are machines with higher pressures, they often require a more complicated group head design that can take on the higher pressures. Although you might see espresso machines that advertise 15 or even 18 bars of pressure, nine bars is generally regarded as the most reliable standard for producing consistently excellent brews. These higher-pressure machines are typically cheaper and intended to be used at home. In comparison, 9 bars of pressure is four times higher than the pressure exerted by your car tire. The more pressure an experienced espresso machine can apply, the better it will be at extracting flavor from your favorite coffee beans. For this reason, it's worth investing in a high-quality machine that can deliver the most effective results. Barista Skills A barista should be able to take and process orders quickly and accurately. This is particularly important during busy times in the coffee shop. Good customer service skills are crucial for establishing relationships with customers as well as increasing the sales of the coffee shop. This includes acknowledging regular customers, working efficiently to resolve issues, and remaining friendly and positive in the most difficult of situations. Baristas typically need to be adept at multitasking as they are expected to take orders, operate a cash register as well as communicate orders to coworkers and respond to phone calls at the same time. This skill allows them to keep orders moving quickly to the customer, and will allow them to have an enjoyable experience in the coffee shop. It is important for a barista's education to be able make various drinks using an espresso machine. This can be accomplished by studying the various kinds of coffees, trying them out in person and watching videos online. Many baristas find it beneficial to attend classes offered by various organizations.