Build a High-Rise Do-It-Yourself Solar Space Heater

Build a high-rise do-it-yourself solar space heater to heat your apartment on the cheap. Includes step-by-step instructions, why the heat grabber works, cutting tools for foam cuts and plans for the window heat grabber.

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The modifications we've made to the Window Heat Grabber allows darn near any home, or apartment, dweller with access to direct sunlight to take advantage of the device.
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