Incandescents Fluorescent lights are the practical choice for efficient general lighting. New fluorescent fixtures and bulbs overcome past complaints about light color and aesthetics. They have good color characteristics and are highly efficient. It is arranged by lumen output, from low to high.
Fluorescents are much more efficient than incandescent lamps.
Multiply lamp wattage of a fluorescent by four to get approximate wattage of an incandescent with similar light output. Light output of common compact fluorescents doesn't exactly match lumen output of incandescents. Use the table as a guide for lamp substitutions. Lamp Substitution Guide Use this guide for substituting compact fluorescent for incandescent lamps. Maintained by Iris Communications, Inc.