Who Needs a Car? Residents Adopt a More Energy Efficient Lifestyle
Perhaps his most unusual innovation is a homemade rooftop solar water heater that provides already-warm water to the gas-fired heater. His system uses an old 52-gallon electric water heater that provides storage.
He's been trying to fit the solar heater with a thermostat that will automatically shut it down and drain it when the temperature nears freezing. He's had the thing freeze up and burst a time or two when he forgot to shut it down himself in a cold snap.
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