Benefits of LED Lights Replacement

This article talks about the benefits of LED lights compared with traditional lights such as incandecent and fluorescent lights. The advantages of LED lighting is not only it can save the electricity bills, but also it can save replacement and mantenence cost since it has much longer lifespan.

The foreseeable of home lighting will very soon be the vast distributed adopting and utilize of green energy-saving LED lights. Though the current market for  LED lights products is mainly  geared towards supporters and the pros, the upsides of LED lighting  will raise demand for more cost-effective LED lights. SSL (Solid-State-Lighting) is an interesting field and its been forecasted, that soon, energy-saving LED lighting products are going to be reliable and affordable sufficiently  to replace incandescent and fluorecent lights for common use in our homes, in public places, in car parking lots, in street lights, in outdoor signs, in super markets, in shopping malls and offices.

The working lifespan of current LED lamps is 100,000 hours theoretically. This will be more than 10  years of continuing running, or in another caculation, say 33.3% operation (that is 8 hours per day), 34 years of lifespan. The long operational life of an LED light is great advantage compared to an incandescent bulb or a fluorescent tube, which is approximately 4000-6000 hours.

When it comes to cost, it seems a little unfair to LED lights. Most people like to carry out some 1 on 1 comparison between the cost of LED lights and  traditional lights such as incandescents, fluorescents and halogen lamps. With incandescent lamps, the true and hidden cost is the electricity bills and the maintenance fee (including the replacement bulbs and the labour fee). When comes to the commercial sector, for example, for shopping malls, car parks, office buildings and highrises, maintenance costs for replacing the light bulbs or light  tubes, can be significant. While LED lights here could be a perfect solution.

As soon as developed efficiently, an LED circuit will probably come to 70-80% efficiency, that indicates 70-80% of the energy has been converted to light rather than other forms of energy such as heat.  While for incandescent bulbs, only 10- 20% of  electricity is used to generate light, at the same time, 80-90% of electric power has been wasted to generate heat. Take a simple example, say if I light up my room with a 100 Watt incandescent bulb (8 hours per day), and the electrical fee is 10cents/kilowatt hour,  then for 1 year, my electrical cost for this bulb would be $29 expense, but $23-$26 of this $29 will be spent  to heat the room, only $3-$6 is actually devoted to light the room. And if an efficient LED light is used, the energy fee would be only about $9-$11 yearly – 60%-70% saving on electricity  each year. Please have in mind that the savings on maintenance and replacements during the next years has not been counted yet.

Although LED lighting hold superb advantages compared to traditional lighting.The critical constraint to the wide adoption of LED lighting is still  the present relative high cost of LED lamps as the initial investment. Despite the fact the price is constantly going down, LED lamps are still expensive. Usually, a 3W LED globe bulb, replacement of a 25 watt incandescent, costs around $40. Despite the fact that LEDs are expensive, the initial cost will be paid back in long term, by saving utility and mantenance costs. The best value comes from commercial applications where maintenance and replacement costs are costly.

It is predicted that as the new improvements of LED technologies comming, there  will be progressively more LED light adoptions in residential lighting applications. In fact, LED technology has been explored and developed for several decades but only a few years ago, as the white light LEDs were developed, LED lighting began pratical for illumination. And in these short few years, a fast rising industry has being formed. This could also be a proof that LED lighting holds a very promising future. And this future won’t be long.



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