Use ENERGY STAR fixtures and bulbs

Replace five or more of your most frequently used incandescent bulbs with ENERGY STAR® certified compact fluorescent lighting, and watch the energy savings add up.

Skill level: Basic
Besides turning off lights, replacing bulbs is one of easiest ways to save energy. Start by replacing one light at a time or tackle one room at a time.
Cost range: $5-$7 each
In addition to using less energy, ENERGY STAR certified CFLs provide quality output, use 75% less energy and last up to 10 times longer than standard incandescent bulbs, making them an affordable choice.
Savings: Approximately $6 per bulb annually
Available in bright white for basement and attics, to soft yellow and daylight colors, for living spaces.