The typical CFL bulb uses up to 75% less energy than a standard incandescent version.  Although a CFL costs slightly more, they pay for themselves in about 6 months. And while you’re lucky to get around 1,000 hours of use from a common incandescent bulb, CFL's can last from 8,000-10,000 hours or more with a life-expectancy of 5 to 7 years.

CLFs now come in multiple shades and with dim capabilities. Access the Energy Star purchasing guide to learn more or access an interactive lighting guide.

How the bulbs differ
Incandescent bulbs make light by passing electricity through a small wire, or filament. The wire glows hot and produces light. Unfortunately, as much as 90% of the energy used by an incandescent bulb is spent producing heat, not light. CFL’s utilize a gas charged tube. Electricity passed through the bulb creates a chemical reaction which produces the light. The result is a cooler, more efficient light source, producing more light (lumens) with less power.

Disposal of CFL’s
CFL bulbs contain a trace amount of mercury and should be disposed of properly; in the same manor as other household hazardous waste products like paint, batteries and non-digital thermostats. Click here for more information.

Click here for some helpful tips on how to extend the life of your CFLs.

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