Why do domestic dishwasher cycles take hours instead of being extremely fast like commercial dishwashers?

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Why do domestic dishwasher cycles take hours instead of being extremely fast like commercial dishwashers?

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Anonymous 0 Comments

I run the water until it is hot, and then use the one hour wash cycle. It’s fine. I’m impatient, and I run the thing twice a day, and empty it immediately so I can keep loading it during the day. I rinse off tomato sauce (it sticks) and presoak pans with sticky stuff.

The longer run cycle does not require heating the water hotter than it is, and uses less hot water, but sloshes it around more. It’s supposed to be more efficient.

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