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" We compared energy-efficient options with standard 60-watt bulbs \u2014 the most popular \u2014 to calculate your savings over time. Halogen Incandescent Cost: About $2 per bulb Lifespan: 1 to 3 years (up to 3 times as long as a traditional incandescent) Savings (over the life of the bulb): Around $2 Must-Know Info: Great for spaces in which lights are turned on and off frequently (e.g., hallways and bathrooms). Their light is similar to that of traditional incandescents, but Halogens use only about 28% less energy, so your electric bill won&amp;#039;t drop dramatically. Some may not last longer than traditional bulbs. CFL (Compact Fluorescent) Cost: About $3 per bulb Lifespan: 7 to 11 years (about 10 times as long as a traditional incandescent) Savings (over the life of the bulb): Around $53 Must-Know Info: Great for areas in which lights are often left on; CFLs can take minutes to fully brighten. Like LEDs, they use about 75% less energy, but CFLs contain a small amount of mercury, so they should be recycled and, if broken, handled with care (see epa.gov/cfl). Frequent on-and-offs shorten life. LED (Light-Emitting Diode) Cost: About $29 per bulb Lifespan: 23 years or more (about 25 times as long as a traditional incandescent) Savings (over the life of the bulb): Around $137 Must-Know Info: Great for lights that are hard to reach or usually on, like flood lamps (you shouldn&amp;#039;t have to change them for decades). LEDs are less breakable and don&amp;#039;t get as hot, but bulbs are costly up front. They also could overheat and stop working if used in enclosed fixtures. This piece originally appeared on Goodhousekeeping.com "^^<http://www.w3.org/2001/XMLSchema#string>
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