Is it greater to lose energy to save water or waste water to save energy?

The most popular home zero waste in item development: query from David S : Is it far better to waste power to save water or waste water to save energy In certain, I wonder if a recirculation pump water all through the residence, the warm (ish) of water flowing via the pipes held meaning. Presently will take literally one particular minute (OK, 57 seconds in my test these days) reach for the hot water in the sink in our bathroom upstairs boiler in the basement. A pump would minimize this time

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