Led Vs Incandescent: Comparing The Life Cycle Completed, The Led Win

We all know that the LED will

future of lighting (or maybe OLEDs). Most LED bulbs that are sold now are a bit far from that point, or do not have the right color, or are not powerful enough or are too directional, but progress that occur predict that in a few years see a very quick transition, much like we saw with the CFL bulbs years ago.

But many skeptics say the LEDs consume too much energy during its manufacture and that this could be his Achilles heel when compared to incandescent bulbs. The German company Osram has thoroughly investigated this argument and has obtained the figures are very reassuring.

They found that only 2% of the energy used during the life cycle of an LED bulb has been used in its manufacture. Compared to incandescent bulbs (1 / 5 of the energy consumed in the life cycle) is very significant savings:

25 bulbs of 40 W each have a life (in total) of 25,000 hours. Throughout life consumed 1,000 kWh of electricity. At current prices, we can buy 25 bulbs for about 25 € and pay 210 € for electricity. We also have an emission of 500 kg of CO2 into the atmosphere.

It takes a single LED bulb (OSRAM Parathom) to achieve the same term (25,000 hours). But as only consumes 8 W, means that over its lifetime spent only 200 kWh of electricity. Emissions to the atmosphere will be 100 kg of CO2, all for a price of 40 €.

The methodology used in the study according to ISO 14040/44 and the results have been validated independently by three academics from Denmark and Germany. OSRAM, which is not exactly an independent observer (since manufactures LED) was interested in the results were completely reliable.

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