Question

what kind of lights are efficient?​

Answer 1

Answer:

The three most common energy-efficient lighting types are Halogen Incandescent Lights, Compact Fluorescent Lamps (CFL), and Light Emitting Diodes (LED). Each of them comes in a variety of wattage power, light spectrum color, and size.

Answer 2

Incandescent lights , Compact fluorescent lamps and light emitting diodes .