The graph above in a very visual form, the results of the study, and below is an excerpt toio from

We already know that incandescent bulbs are disappearing toio because they are incredibly wasteful, radiate heat better than light. Most of our readers toio also know that compact fluorescent lamps (CFLs), surpassing "bulbs Ilyich" in almost every way, gradually giving way to LED counterparts. The latter should be the next "gold standard" for manufacturers of lighting products. But are LED bulbs compact fluorescent better? If so, how?
To give a definite answer to this question, not a key indicator to evaluate energy efficiency light sources (lumens per watt). We need to do a complete analysis toio of the life cycle of both products - the only way to find out which one will come first. Must take into account all energy-intensive: the production, use, transportation. You must also consider how many lamps can operate longer period specified by the manufacturer, and how much - will fail until then.
The graph above in a very visual form, the results of the study, and below is an excerpt toio from the report toio of US Department toio of Energy: Average power consumption of LED lamps and CFLs are comparable in terms of the life cycle of devices and is about 3900 MJ 20 million. Lumens - hours. It is about four times lower compared toio to an incandescent lamp. By 2015, when developers LED lamps will meet its targets for performance of the devices, their energy consumption in the context of the life cycle is expected to decrease toio by about half. In addition, based on our analysis, the following conclusions: phase "use" if incandescent, compact fluorescent and LED lamps are the most energy-intensive, toio it accounts for about 90 percent of the total energy light sources in the context of their life cycle. Followed phases of production and distribution, respectively. The share of transport accounts for less than one percent of the total energy consumption in the context of the life cycle in the case of bulbs of all types.
It turns out that CFL and LED current generation about the same in terms of energy consumption. But there are several factors that cause consumers to prefer technology LED. For example, LEDs are less fragile than CFLs, and they do not emit mercury toio in violation of the integrity of the shell. In addition, LED- lamps are about 3 times faster and longer included.
But the real leap forward will take place for about 2 years when the market will be the next generation of LED lamps. We already wrote about one of the leading lamps from Philips, which gives 200 lm / W. Light sources with this line should be about twice better current LEDs and CFLs.
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