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Our domestic dishwasher has an “Eco” mode that takes around 3.5 hours to run. I presume that the time includes lots of resting time to allow the contents to soak.
However, I find it very difficult to believe that a machine operating for that long (and it seems to be doing something most times I walk past) saves water and energy when compared to the “Quick” (30 minute) mode, or even the 90-minute ‘Turbo Eco’ mode.
What is the rationale for calling the slow mode ‘Eco’ and are there any meaningful measurements / estimates around that give the relative energy/water cost for the different modes?
Details. I’m based in the UK. Our particular appliance is a UK-typical, under-the-counter, domestic one; a Bosch Exxcel model.
