Plastic water bottle solar water heater

This method of making a solar water heater was devised by Herminio Hernandez Ortiz in Mexico (milito1960@yahoo.com.mx).

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License	CC-BY-SA-3.0
Language	English (en)
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Created	September 22, 2007 by Tom Sponheim
Last edit	November 27, 2025 by StandardWikitext bot
Cite as	"Plastic water bottle solar water heater". Appropedia. 2007–2025. Retrieved June 4, 2026.
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