Search results
Results From The WOW.Com Content Network
Compared to a theoretical 100%-efficient lamp (680 lm/W), CFL lamps have lighting efficiency ranges of 7–10%, [39] versus 1.5–2.5% [40] for incandescents. [ 41 ] Because of their higher efficacy, CFLs use between one-seventh and one-third of the power of equivalent incandescent lamps. [ 38 ]