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how to make a solar hot water heater from recycled parts

submitted by robertkamper on mon, 2006-06-26 19:09.

I found this interesting little project while browsing the MAKE:Blog site today. If I were a teenager or younger even, I would probably try to make this right away. On the other hand, it could come in handy if a hurricane or other weather event cuts off the utilities. Here it is: green energy solar hot water heater

tags: energy green solar hotwater heater

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solar powered air conditioner challenge
submitted by daniel on mon, 2006-06-26 20:15.

I saw that yesterday and was amazed at the efficiency! The guy burned his hand on the water within minutes of hooking everything up. And it cost him $3.76. Not a bad ROI.

Treehugger has just challenged its readership to build a solar powered air conditioner. It should be interesting to see what people come up with.

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