Quote:
Originally Posted by NYCorchidman
No, some of the biggest advantage of LED light over others are lower cost (almost nothing!) to run and nearly no heat generated, I thought.
I thought things like high pressure sodium light is something that can be quite far away from the plants while still giving enough light.
The dowside is that it generates too much heat and it is expensive. well, at least for me, it is.
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LEDs are, at most, less than twice as efficient (for photosynthesis) as linear fluorescent lamps and that is only if you are using deep red LEDs in a very well designed fixture. The stuff that is on the market, for the most part I doubt if they are any more efficient than fluorescent. And 100 watts of LED generates as much heat as 100 watts of fluorescent.
---------- Post added at 12:32 PM ---------- Previous post was at 12:20 PM ----------
Here is literature from a large manufacturer of LED chips:
LED 101 | Cree: Lighting the LED Revolution
LED lighting can save between 20 to 30 percent of the energy used by fluorescent tube lighting.
Hybrid Mode
