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11-22-2007

Build a Solar Heater on the Cheap

Create a cheap and green solar heater for less than $10. All you need is foam board, lots of pennies, black spray paint, and plexiglass. The assembled product should be placed next to a window and can increase the room temperature by a minimum of 10 degrees (according to the video), depending on the amount of sunlight that reaches the heater.

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