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How to Build a Professional Espresso Machine For cafes and coffee shops looking to attract customers who have passion for espresso and barista skills this is an excellent choice. espresso coffee makers 's the official machine for World Barista Championships and it truly shows. It has a water reservoir to ensure that the barista only needs to refill it once during their shift. The machine also comes with steam wands that cool-touch as well as hot water taps for tea. Water A commercial espresso machine must be able to make a huge amount of espresso-based drinks in a timely manner. That's why these machines are usually constructed of stainless steel which is more durable and resistant to scratches and breaks. Stainless steel espresso machines also make it easier to clean and maintain. Lastly, a good quality machine will have a separate shut off valve for the water line to avoid the formation of limescale. This will ensure that any repairs will be isolated to the affected components of the machine and won't affect the rest of your operation. When you select your water, make sure to test it and treat it correctly to ensure the best results. You can remineralize distilled water by adding some minerals. This could reduce its erosion properties and improve its taste, however it can also damage some machines. This is because the remineralized liquid will cause the boiler sensor to believe that the machine is full when it's not. This can cause overheating and damage the machine. Grinder The grinder is a crucial component of an espresso machine that works. It grinds a raw bean and transforms it into a finely ground coffee that is then placed into the filter basket for an excellent extraction. Commercial-grade espresso machines usually come with a built-in grinder that can be programmed to grind for different sizes of drinks, ensuring the same results every time. Super-automatic machines go a step further and automatize the entire process from brewing to grinding and dispensing. These kinds of machines typically get high scores in Lab tests for their hands-off simplicity of use. A manual or semi-automatic espresso machine requires more involvement by the barista, but the quality of the end result is usually worth it. This model won an award called the Good Housekeeping Coffee Award in 2022 for its clever dosing system that is able to measure and dispenses the right amount of coffee each time. It also comes with a low pressure pre-infusion for balanced extraction, and a milk frother that made dense, thick steamed milk during our tests. Temperature Temperature is an important aspect in espresso. If the water temperature isn't at a good level, it could cause extraction to be hindered and can even lead to a bitter cup. High-quality espresso machines come with tools that help you maintain the correct temperature of your water. One way to do this is by utilizing a PID, which monitors and adjusts the temperature of the water. Double boiler systems are a different way to do this. This lets you use a single boiler to tea and steam and the other for heating water to brewing temperatures. Carles says that these kinds of systems can make the difference for large-scale businesses and home baristas alike. They can aid novices get the perfect espresso shot since they are able to maintain the exact temperature and prevent several variables that can affect the flavor of the flavor. It is also easier for baristas with more experience to dial in their espressos just how they would like. Pressure The amount of pressure an espresso machine employs is another factor that affects the quality of the coffee it makes. Many espresso drinkers have noticed that their coffee tastes differently based on the pressure they use, even if other factors remain constant. In general, most commercial-grade machines use nine bars of pressure to brew espresso. These machines are also more likely to be steam-driven than pumps driven. While higher-pressure machines are readily available however, they require a group head that is more sophisticated to handle the increased levels of pressure. While some espresso machines advertise 15 or 18 bars of pressure in their machines Nine bars are generally considered to be the standard for making consistently great espressos. These machines with higher pressures are generally more affordable and are designed for use at home. In comparison, 9 bars of pressure is four times more than the pressure exerted by your car tire. The more pressure an experienced espresso machine can put on and the more effective it will be at removing the flavor from the coffee beans you love. It is worth investing in top-quality machines that will give you the most effective results. Barista Skills A barista should be able to accept and process customer orders quickly and efficiently. This is especially important in busy times at the coffee shop. A good understanding of customer service is also essential for building customer relationships and increasing sales for the shop. This includes acknowledging regular customers, resolving issues quickly and remaining positive and amiable in tough situations. Baristas are often capable of multitasking, as they are required to take orders and operate a cash register as well as communicate orders to coworkers and handle phone calls at the same time. This ability allows orders to be moving quickly to the customer and gives them an enjoyable time in the coffee shop. It is essential for a barista to have knowledge of the different styles of drinks that can be made using an espresso machine. This can be accomplished by reading about the various types of coffee, attempting the drinks in person and watching videos online. Baristas often find it beneficial to attend classes on the topic, which are offered by various organizations.