For dishwashers, washing machines, etc: why does ECO washing take longer than the normal one (even 4+ hours)? Shouldn’t it be quicker?
In: Engineering
The ECO setting is still cleaning the dishes just as well as the normal and power settings. However it uses less power. They do this mostly by decreasing the temperature of the water so it requires less power to heat up and then spends longer time soaking the dishes.
Heating the water is more expensive than anything in this machines, to save energy they have to run longer but with less warm water
Using less water and less water pressure, also usually using cold water. This means that the machine must run longer in order to achieve the same level of cleanliness as a “normal” cycle. Go rub some peanut butter on your hands and try to wash it off with cold water that’s coming out at a trickle. You’ll get it.
Not sure. Not heating up water as much and instead having a longer wash that’s colder that is more efficient but takes longer to do the same job?
I was told by a Miele guy that the eco programs save energy by reducing mechanical movement, not heat.
The laundry just sits longer in the water/detergent bedween cycles to get the same cleaning results as a regular program.
From this info I assume that the ultra short programs, that take less than 30 minutes, reach the same cleaning results by a limited laundry load plus much more mechanical movement even during soaking cycles.
You can save energy by setting a lower heat, this was your only influence about the energy consumption.
Now there are a variety of programs that are tweaked for different jobs thus they save money not only through energy consumption, water, longevity of your washing mashine but also saving you detergent and cleaning your pricey clothes more gentle.
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