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Doug's Thermosyphon Solar Water Heater

US Energy NASATECH Non Fiberglass Up to 80 Gallon Water Heater Insulation Jacket Kit (42sqft) (Made in the USA) Includes: Reflective Foam Core Insulation & Aluminum Foil Seam Tape

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A Homemade Solar Water Heater – Mother Earth News

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Energy Savings Project: Insulating Your Water Heater Tank

Sharp Energy - Pair water heater tank insulation blankets

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