how long should compact fluorescent light bulbs last?
CFL longevity and how to make it last longer. Compared to incandescent light bulbs, Compact Fluorescent Lamps (CFLs) rated lifespan is typically 8 to 15 times longer (6,000 to 15,000 hours). CFLs produce less light over time and it is expected that they produce 70â80% of their original light output by the end of their projected lifetime.