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How to Build a Professional Espresso Machine This is a great option for cafes and coffee shops which want to draw customers who are enthusiastic about espresso and barista abilities. It's the official machine for World Barista Championships and it really shows. The barista can refill the reservoir of water throughout their shift. The machine also features steam wands that are cool-touch and hot water taps for tea. Water A commercial espresso machine has to be able of producing a large volume of espresso-based drinks in a timely manner. on front page is why these machines are built with stainless steel which is more robust and resistant to breaks and scratches. Stainless steel espresso machines also make it easier to clean and maintain. A high-quality machine should have a separate shut-off valve to the water pipe to prevent limescale accumulation. This will ensure any repairs are only limited to the affected parts of the machine, and will not impact the rest your operation. When selecting the water you want to drink make sure you test it and treat it appropriately to get the best results. You can remineralize the water you distill by adding some minerals. This could reduce its anti-erosive properties as well as improve its flavor, but it can also damage some machines. The remineralized water will make the boiler sensor think the machine is full however it's not. This could cause overheating and possibly damaging the machine. Grinder The grinder is a key element for an espresso machine that works. The grinder transforms the unground, raw coffee bean into finely-ground coffee that can be tamped properly into the filter basket for an efficient extraction. Professional commercial grade machines include grinders that can be programmed for different drink sizes. This guarantees the same results every time. Super-automatic machines go a step further and automate the entire process, from brewing to grinding and dispensing. These machines are frequently praised in Lab tests for their ease to use. Semi-automatic and manual machines require more work from the barista, but the results are worth it. This model won an award known as the Good Housekeeping Coffee Award in 2022 for its clever dosing system that measures and distributes the right amount of coffee each time. It also includes a low-pressure pre-infusion mechanism for balanced extraction and the milk frothing tool that did well in our tests for producing rich, thick steamed milk. Temperature The temperature is a crucial factor in espresso. If the water isn't operating at an ideal temperature, it can hinder extraction and even cause bitter coffee. High-end espresso machines have tools that can help you keep the correct temperature of your water. One way to do this is with an PID, which monitors and adjusts the temperature of the water. The other way is by using a double boiler system. This allows you to use a single boiler to tea and steam and the other one to heat water to the right temperature for brewing. Carles explains that these systems can be beneficial for both large-scale businesses as well as baristas working from home. They can make it simpler for novices to get the perfect shot of espresso because they can maintain an exact temperature and eliminate some of the factors that can alter the flavor profile. It also makes it easier for experienced baristas to make their shots exactly as they want them. Pressure The pressure an espresso machine is using can also impact the quality of the coffee it produces. Many espresso drinkers have noticed that their coffee tastes different based on the amount of pressure that is used, even though all other factors are constant. In general, commercial-grade machines utilize nine bars of pressure to brew espresso. These machines are also more likely to be steam-driven rather than pumps-driven. Although higher-pressure machines are available but they usually require a more sophisticated group head design to handle the higher pressure levels. While you may see some espresso machines advertising 15 or even 18 bars of pressure, nine bars are generally regarded as the gold standard for creating consistently excellent brews. These machines with higher pressure tend to be cheaper and designed for home use. To put 9 bar of pressure in perspective, it's nearly four times the amount of pressure that's exerted by the air inside your car tire. The more pressure that a professional espresso maker can apply, then the better it is in bringing out the flavor of your favorite coffee beans. Therefore, it's worth investing in a high-end machine that can give you the most effective results. Barista Skills A barista needs to be able take and process orders quickly and precisely. This is particularly important during busy times in the coffee shop. Good customer service skills is also vital to establishing relationships with customers and generating more business for the shop. This includes acknowledging regular customers, resolving issues efficiently and remaining optimistic and friendly even in challenging situations. Having strong multitasking skills is a must for baristas as they may be required to take orders as well as operate the cash register and then communicate orders to coworkers and handle phone calls at one time. This skill allows the customer to enjoy an enjoyable experience at the coffee shop by ensuring that orders get delivered promptly. It is essential for baristas to be able make various types of coffee using an espresso machine. This can be mastered by studying the various types of coffee, trying them out in person and watching videos on the internet. Many baristas find it helpful to attend classes offered by various organizations.