Today found this great post, here is a quick excerpt :
Which, of course, make way more light and way less heat for the same amount of energy. Then he upped the ante by cooling the LED lighting bank by circulating tank-water through it, which exploits what waste heat the LEDs do generate to …
Read the rest of this great post Here
February 27, 2010
Make: Online : Double-whammy lighting/heating energy saving tank hack
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