Quote:
Originally Posted by Magickiwi
That's probably 50% of the selling features for LED is that it runs so much cooler. If you have to buy a chiller anyway then what is the point?
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Try touching the heatsink; I dare you
The thing is, both LEDs and MH "runs" hot but MH "dissipates" heat (and light) omnidirectionally (since its a round bulb) and cannot be fitted with heat sink to take away the heat. On the other hand, LEDs dissipates heat bidirectionally but emits light unidirectionally and so can be fitted with heat sink on the opposite side with heat sink to take away the heat. And hence the "runs cooler" market hype
If some sort of technology comes which allows MH to be fitted with heat, that market tag line is going to be buried.