10% 50,000 50,000 hours 70%
How much more power does a standard incandescent bulb use compared to LED? What is the average lifetime of a CFL? What is the average lifetime of a CFL? How much power does a halogen lamp save compared to a standard blub?
LED lamps have been advocated as the newest and best environmental lighting method. According to the Energy Saving Trust, LED lamps use only 10% power compared to a standard incandescent bulb, where compact fluorescent lamps use 20% and energy saving halogen lamps 70%. The lifetime is also much longer — up to 50,000 hours. A downside is still the initial cost, which is higher than that of compact fluorescent lamps.
question: How much more power does a standard incandescent bulb use compared to LED?, answer: 10% | question: What is the average lifetime of a CFL?, answer: 50,000 | question: What is the average lifetime of a CFL?, answer: 50,000 hours | question: How much power does a halogen lamp save compared to a standard blub?, answer: 70%