The question remains: Is it more environmentally friendly to turn on the dishwasher? Supposedly, it uses much less water, right? We clarify.
Some claim that the dishwasher is more environmentally friendly than hand washing because it cleans all the dishes in one wash, in the truest sense. Of course, such a device also needs energy, and not a little at that. The question that arises now is, what is better for our environment? Rinsing or dishwasher?
A dishwasher saves water and energy.
According to the National Top Runner Initiative of the German Federal Ministry for Economic Affairs and Energy, a fully loaded dishwasher saves energy and water resources because it can clean much more in less time than humans can. Up to 30% of energy and 40 euros, a year could thus be saved. This is because even the water used for hand washing consumes power, as it must first be heated. The thesis is criticized, however, because the resources for producing the washing machine, the so-called gray energy, were not considered. One thousand kilowatt-hours are consumed for the production and transport of a washing machine, of which one could clean dishes by hand washing up to 1000 times.
The decisive factor is how the water is heated. The dishwasher is powered by electricity, but the water may be heated by gas or solar energy, which would be better. Moreover, you can save a lot by making the dishwasher complete and running in ECO mode, but this could take longer.
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