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How to Build a Professional Espresso Machine For cafes and coffee shops looking to attract customers with a love of espresso and barista abilities, this is a great option. It's the official machine of the World Barista Championships and it really shows. The barista can refill the reservoir with water throughout their shift. The machine comes with hot water for tea and steam wands with cool-touch. Water A commercial espresso machine is required to create a huge amount of espresso based drinks in an efficient manner. That's why they are built with stainless steel, which is more robust and resistant to breaks and scratches. Stainless steel espresso machines also make it easier to maintain and clean. A high-quality machine must include an independent shut-off valve for the water pipe in order to prevent the accumulation of limescale. This will ensure that any repairs are restricted to the affected parts of the machine and not affect the rest of your operation. When you select your water be sure to test it and treat it correctly to ensure the best results. For instance the distilled water can be restored by adding a tiny amount of minerals back to it. It can enhance the taste and negate its erosive properties, but can also damage certain machines. This is because the remineralized fluid will cause the boiler sensor to think that the machine is filled, when it is not. This can cause the machine to overheat, and eventually be damaged. Grinder The grinder is a key component of an espresso machine that works. It is a process that takes a raw, unground bean and transforms it into finely ground coffee that can be put into the filter basket to create an excellent extraction. Commercial-grade professional espresso machines usually come with a built-in grinder that can be programmed to grind for different sizes of drinks, providing consistent results each time. Super-automatic espresso machine s go one step further, automating and programmable the entire process from brewing to dispensing. These machines are often praised in Lab tests for being easy to use. Manual or semi-automatic machines require more effort from the barista but often the results are worth it. This model was awarded an award known as the Good Housekeeping Coffee Award in 2022 for its clever dosing system that measures and delivers the correct amount of coffee every time. It also has a low-pressure pre-infusion system that allows for an even extraction, as well as a milk frothing wand that did well in our tests for producing thick, rich steamed milk. Temperature Temperature is a major aspect in espresso. If the water isn't at an optimal temperature, it could slow the extraction process and cause bitter coffee. High-end espresso machines have tools that help you maintain the proper temperature of your water. One way to do this is by utilizing an PID, which monitors and adjusts the temperature of the water. The other way is by making use of a double boiler. This lets you use one boiler for tea and steam and the other for heating water to brew temperature. Carles states that these kinds of systems can be beneficial for large corporations as well as home baristas. They make it easier for beginners to get the perfect espresso shot since they can keep an accurate temperature and avoid a lot of the variables that can alter the flavor profile. It's also easier for baristas who have more experience to get their espressos just the way they would like. Pressure The pressure an espresso machine utilizes can also impact 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 variables remain the same. Most commercial machines use 9 bars of pressure in order to make espresso. These machines are also more likely to be steam-driven rather than pumps-driven. Although higher-pressure machines are also available, they require a group head that is more complicated to handle the higher levels of pressure. While some espresso machines advertise 15 or 18 bars of pressure in their machines nine bars are usually considered to be the gold standard when it comes to making consistently excellent espressos. These machines that are higher pressure are generally cheaper and intended for home use. To put 9 bars of pressure in perspective, it's over four times the pressure that's exerted by the air inside your car tire. The more pressure an experienced espresso machine can put on to the coffee, the better it will be at capturing the flavor of your favorite coffee beans. It's worthwhile to invest in high-end machines that can produce the best results. Barista Skills A barista should be able to accept and process orders of customers quickly and efficiently. This is particularly important during busy times at the coffee shop. Having good customer service skills is also essential for building customer relationships and increasing sales for the shop. This includes recognizing frequent customers, working efficiently to resolve issues, and remaining positive and friend even in challenging circumstances. A strong ability to multitask is a must for baristas as they could be required to take orders and operate the cash register and also communicate orders to their coworkers and handle phone calls at one time. This ability helps keep orders moving quickly to the customer, and will allow them to have a pleasant experience in the coffee shop. It is helpful for baristas to know the different styles of drinks that can be made with an espresso machine. This can be gained through studying the various kinds of coffees, trying them out in person and watching videos online. Many baristas find it beneficial to take classes offered by various organizations.