The Ecologist

 

solar water heaters: 1/1 of 1

How to make a solar water heater from plastic bottles

Giovana Zilli

6th May, 2010

Retired mechanic Jose Alano invented a simple, cheap, energy saving rooftop solar water heater which is benefiting thousands of people. Here's how it's done... more...

solar water heaters: 1/1 of 1

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