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Preliminary efficiency results are in. In my first week the hot water heater used 11.94 kWh ($1.79) of electricity. That is less than 1/2 the cost of running the old natural gas water heater.
That was just holding water temperature at a steady 125F - time to use some of the "smart" features on the new water heater. Yesterday I started a time of day usage schedule. I set the water temp to 125F at 5 am so we will have plenty of hot water for showers and then at 7 am it drops and holds at 120F for the rest of the day.
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