Quote Originally Posted by watercooled View Post
I think what he means is that they only consume electricity, I'm saying they can produce it too - if you cool one side and heat the other, you get a voltage across the device. With a hot server farm in the Arctic, you have quite a temperature difference to work with so the potential is there, but these things aren't cheap!
I didn't realise you could do that with them - does that work with your bog standard TEC peltier, or just specially designed ones?