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Aktuelle Version vom 16:22, 28. Mär. 2012
LED Lights Pros And Cons
LED lighting is not the latest technology; in fact, it is with us from the 1960's. LED light bulbs were originally used as a replacement for incandescent indicators and displays in lab device and after a while in Televisions, watches, radios and calculators. LED prices have just recently has lowered enough to make them viable for residential and commercial markets. LED home lighting can have anything from outdoor to Christmas lights. With the current looming energy crisis in South Africa, and pressure forced on governments and businesses same for more sustainable energy solutions, LED lights have a vibrant future in space lighting solutions.
Major advantages of making use of LED lighting
First of all, LED lights are far more efficient than any other lights alternative commercially available at the moment. LED bulbs have a 100000 hr lifespan, and will last for 11 years at continuous operation, or 22 years at 50% operation. Compare this to the approximate lifespan of five thousand hrs for an incandescent light bulb and ten thousand hours for a fluorescent light. Many businesses find the lifespan of LED light bulbs very appealing - imagine only have to change the signage on a business property once every 11 years. With incandescent and fluorescent bulbs, the actual cost of the bulb should include the labor expense and time required to replace them. LED lights virtually get rid of lighting maintenance costs.
The second large benefit and key strength of using LED lighting over conventional lighting is the reduced power consumption. LED bulb is capable of converting eighty% of the electrical energy used into light energy. The left over 20% electrical energy is left as heat energy. Incandescent light bulbs only convert twenty% of the electrical energy utilized into actual light energy, which means that a staggering eighty% of electrical energy is lost as heat energy. When you examine the 80% efficiency of LED lights with the 20% efficiency of incandescent lights, the optimal selection of light bulb is quite noticeable.
Major disadvantages of using LED lighting
The primary limitation is the current high cost of LED light bulbs. Even though the price of LED lights in South Africa is steadily reducing, replacing a 100W incandescent light bulb with a LED substitute can cost about Rs 5000. The starting price may seem frightening, however LED light bulbs pay for themselves over time because they can last for up to eleven years, and saves a lot of money in terms of electricity utilized. For businesses, using LED lights makes a whole lot of sense since the reduced maintenance costs a lot more than make up for the high starting price.
Established businesses are doing it
Different blue chip companies and hotels in USA and UK presently use LED lighting solutions. LED lighting are used from stair-nose lighting, light line, wall wash lights and signage illumination to colour-changing till numbers and controls, architectural lighting and freezer lighting. These businesses have identified LED as the preferred lighting solution for the coming future. With LED bulb start up costs plummeting, more companies will follow these business leaders and discover a painless lighting solution that will last them a decade, and help save them money.
