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Amazon - DIY: How to Make Cheap Air Conditioning Earth Tubes: Do It Yourself Homemade Air Conditioner - Non-Electric Sustainable Design - Geothermal Energy - Passive Heating and Cooling: Buydens, Sharon: 9781523260102: Books
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Genius! Cool Off on the Cheap with a DIY Air Conditioner | Diy air conditioner, Bucket air conditioner, Homemade air conditioner
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