More energy is consumed turning on and off a light bulb than is consumed by leaving it burn.
When you leave a room, turn off the lights, no matter what type of bulb is used. Although compact fluorescent bulbs appear different than the common incandescent bulb, they fit most standard fixtures found in homes today. Compact fluorescent bulbs use 70 to 75 percent less energy than their incandescent equivalents. High Efficiency Light Fixtures Consider replacing your current light fixtures with fixtures that use only fluorescent bulbs. They come in a variety of styles for indoor and outdoor use.