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How can I make a homemade solar heater?
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1. Start by gathering the necessary materials for your DIY solar panel, such as photovoltaic cells, batteries, wires, and connectors.
2. Connect the cells in series or parallel to form a solar panel.
3. Place the solar panel on top of an insulated box with ventilation holes.
4. Mount the solar panel onto the roof using brackets, screws, and/or straps.
5. Connect the solar panel to the battery(s) with the wiring.
6. Place the solar panel in a sunny area so that it can receive direct sunlight.
7. Use a thermostat to control the temperature of the water inside the solar panel.