Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had relied on a gas-powered furnace and water heater for a quarter-century to stay warm. But ...
New technology can heat your water and air and store heat energy for when it is needed. Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had ...
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