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LED Lighting Pros And Disadvantages
LED lighting isn't a new technology; actually, it has been with us since the 1960's. LED light bulbs were at first used as a substitute for incandescent indicators and displays in laboratory equipment and eventually in TV's, different watches, radios and calculators. LED prices have just recently has reduced 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 put on governments and businesses same for more sustainable energy solutions, LED lights have a bright future in space lighting solutions.
Major advantages of using LED lighting
First of all, LED lights are far more efficient than any other lighting alternative commercially available at the moment. LED bulbs have a 100000 hour lifespan, and will last for eleven years at continuous operation, or 22 years at 50% operation. Compare this to the approximate lifespan of 5000 hours for an incandescent light bulb and 10000 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 true cost of the bulb should include the labor charge and time needed to replace them. LED lights virtually eliminate lighting maintenance costs.
The second major advantage and key strength of using LED lighting above conventional lighting is the reduced power consumption. LED bulb is capable of converting 80% of the electrical energy used into light energy. The remaining 20% electrical energy is left as heat energy. Incandescent light bulbs only convert 20% of the electrical energy used into actual light energy, which means that a staggering 80% of electrical energy is lost as heat energy. If you compare the 80% efficiency of LED lights with the twenty% efficiency of incandescent lights, the optimal choice of light bulb is quite apparent.
Major drawbacks of using LED lights
The primary limitation is the current high cost of LED light bulbs. Even though the cost of LED lights in South Africa is steadily reducing, replacing a 100W incandescent light bulb with a LED alternative can cost about Rs 5000. The starting cost may appear daunting, but LED light bulbs pay for themselves over time since they can work for up to 11 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 more than make up for the steep start-up cost.
Major businesses are doing it
Various blue chip companies and hotels in USA and UK presently use LED lighting solutions. LED lights are used from stair-nose lighting, light line, wall wash lighting and signage illumination to color-changing till numbers and controls, architectural lighting and freezer lighting. These businesses have recognized LED as the preferred lighting solution for the coming future. With LED bulb start-up costs plummeting, more companies will follow all these business leaders and discover a painless lighting solution that will last them a decade, and save them money.
LED Lighting Pros And Disadvantages
The LED lighting isn't a new technology; in fact, it has been with us since the 1960's. LED light bulbs were originally used as a replacement for incandescent indicators and displays in laboratory equipment and eventually in TV's, watches, radios and calculators.
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