Compact florescent bulbs can lose up to 40 percent of brightness over lifetime
Friday, July 9, 2010 at 04:06PM
Compact fluorescent lightbulbs could lose up to 40 per cent of their brightness over the next few years, according to the UK's Institution of Engineering and Technology.
Even a good quality CFL could lose 20 per cent of its light over its 8,000-hour lifespan - while cheaper bulbs could dim even more.
'Consumers could end up with a CFL nearing the end of its life that emits just 60 per cent as much light as a supposedly equivalent incandescent bulb,' the report says. That means a CFL that begins life as bright as a traditional 100 watt bulb, could become as dim as a 60 watt bulb.











