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DIY & Home Improvement

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(11,093 posts)
Thu Jul 3, 2014, 02:39 PM Jul 2014

Question about restarting water heaters [View all]


I have oil-based heating, including my hot water heater. We recently ran out and so I temporarily put in some diesel and restarted the furnace. So, my question is to the most efficient way to get the hot water heater heated up. I could leave it as is, and it'll have to reheat the whole tank (I think it's 40 gallons). Or I could draw down the water from the tank, forcing it to refill, but it should be more efficient since it has less to heat to get it up to temp.

Thoughts?
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