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Use old car radiators for solar collector? Answered

I have salvaged 2 car radiators that are old yet not leaky. I want to use them for active closed loop solar collectors. Any advice?

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iPodGuy (author)2009-05-30

I imagine you're trying to create a solar water heater. If you have 2 radiators, maybe after you clean them, you can fill them with water or some other fluid and connect them together. You could have one outside heating the fluid and one inside radiating the heat into your home. I bet if you did it right, you could create a sweet natural thermosiphon so you don't have to even do anything once it's finished.

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Kiteman (author)2009-05-30

Clean them out and paint them matt black?

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