What Decides the Value of Coffee Machine?
Coffee machines are usually much more expensive than normal household electrics. There are many factors that caused the higher pricing point for coffee machines, but usually we can determine the value of a coffee machine based on the following factors: number of boilers inside, electronic control, extraction pressure, maintenance easiness.
Number of Boilers
The number of boilers inside the coffee machines would significantly impace the cost. Generally speaking, the more boilers inside the coffee machine, the better performance it is. Each task of using coffee machine (either doing extraction shots, or making steam) would require at least one boiler to work. For most of the domestic coffee machines, it only has single boiler, therefore it cannot do extractions the same time as steaming the milk. On the other hand, however, the more boiler it is, the higher electricity it is going to consume. A typical 7 boiler coffee machine would require 3 phases of power and the average energe use is 8400W, crazy high for homes.
A good electronic control doesn't mean the coffee machine has a good touch panel. We often see people has the misunderstanding that the touch panel means higher performance. The electronic controls the extraction pressure of the coffee machine, timing, pump, etc. An effective cooperation between different parts of the coffee machine means consistency for the coffee shots.
For commercial coffee machines, one of the basic requirement is the stable of extraction pressure, usually at 8 par. Some lower end commercial coffee machine could have significant lowered extraction pressure if it has made too many coffee at same time. Maintaining the same level of extraction pressure is not easy, it requires more boilers, and stronger electronic control.
Some coffee machines look good, but very difficult to maintain. The reason is because of the design that didn't take future maintenance into consideration. Some good models are well designed, with all of the parts replaceable, making future repairs eaiser.
Which coffee machine should I choose?
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