There are several reasons behind LEDs' energy efficiency :
1. Directional lighting: LED is directional, which means they emit light in a specific direction. This is in contrast to traditional bulbs, which emit light in all directions. There is less energy waste.
2. Lower heat emissions: LED produces less heat than traditional bulbs, which means less energy wasted on generating heat. Traditional bulbs produce a significant amount of heat.
3. Lower power consumption: LEDs require less power to produce the same amount of light as traditional bulbs. For example, an LED bulb may consume 80% less energy than a traditional incandescent bulb while producing the same amount of light.
4. Longer lifespan: LEDs last much longer than traditional bulbs and require less frequent replacement.
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