Your average residential electric hot water heater has a pretty basic function—turn on and heat water when the temperature of the water in the tank drops below a specified level. You just want it to sit in a closet, be quiet and do its job. And please, please PLEASE don’t break and cause a huge expensive mess! But did you know that you can turn a water heater into an asset… one that can make you money and contribute to a cleaner, more efficient energy grid?
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