Simple passive solar water heater
Hey, I made a simple solar water heater with a 55 gallon barrel elevated slightly. Took a garden hose connected to a well and made a connection for the rather cold water on the bottom, the barrel i...
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A better vessel is a hot water heater tank. There are plans on YouTube. Build a wooden box around it, paint it all black, tank black, clear plexiglas.
Cold into the bottom, hot out the top.
Cold into the bottom, hot out the top.
