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Get Energized- Solar Heat Collection Updated
designserendipity.com — Now is the time to come to the aid of our planet. This is a design for a low-cost mass-produced rooftop passive solar heat collection system. The system is modular and can be retrofitted to an existing gas or electric hot water heater. It is an update of 1960s designs, using new materials, components, and fabrication techniques. Comment.
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