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Does Turning the Water Heater Off Really Save Money?

How much does an electric water heater cost per month to operate? Is there any way to save on cost without sacrificing comfort or health? - Quora

Is it cost effective for me to shut off my nearly new electric water heater for four days at a time while I am gone from my home? - Quora

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Will turning off the water heater during the night time save a significant amount of energy? - Quora