What Is an Espresso Machine?

You may be all about your daily espresso, but do you know exactly how an espresso machine works? The first thing to remember is that there are automatic and semi-automatic models. The semi-automatic models will cause you to do a little more work, but they will also allow you to have more control of your brew. The automatic models are more geared toward commercial settings, but they are also preferable for home use because they will give you impeccable quality and keep you from running to Starbucks. They may be an investment, but they will save you money in the long run!

Espresso machines work with a pump to pull water out of the heating chamber, and this will give the water pressure needed to extract the espresso through the fine grounds within the filter. Interestingly enough, the first espresso machine was used in Milan, Italy, in the early 20th century. However, it didn't become popularized until the 1940s when steam was developed to be used to pump the water through the espresso for extraction. Espresso machines also work with measured bars of pressure as well as a pressure gauge control to keep the heater engaged if the pressure becomes too low during use. The pressure will be a component in pushing the water through the espresso grounds for a premium extraction.

Finally, when you are brewing your espresso with your espresso machine, make sure that the extraction is for no longer than 25 seconds. This is the ideal time for brewing a fine espresso shot, and you will have the rich crema on top to prove it!

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