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Place ENERGY STAR qualified CFLs in the fixtures you use most frequently. CFLs are most efficient when they operate for several hours at a time (2 hours or more). Certain CFLs are designed to work in dimmable, 3-way fixtures, as well as torchieres. Check the package to be sure you are buying the correct bulb. Use ENERGY STAR qualified CFLs in the fixtures that are hard to reach such as ceiling fans, other ceiling fixtures, and enclosed outdoor fixtures. Because CFLs last longer, you enjoy the convenience of buying and changing bulbs less frequently. ENERGY STAR qualified CFLs come in a multitude of shapes and sizes. Select the best shape and size to fit your needs:
- Bare, Mini-spirals, Spirals
- Bare, Double, Triple, and Quadruple tubes
- Circle-line
- Covered A-line
- Covered Globe
- Covered Bullet or Torpedo
Smaller sizes mean greater compatibility with your fixtures. Today's ENERGY STAR qualified CFLs are designed to be smaller and thinner than earlier models, so you can install them in a wider variety of fixtures, such as wall sconces, ceiling-mounted fixtures, and ceiling fans. - Qualified CFLs are available in a range of color temperatures:
- Warm, white light: Look for a color temperature of 2,700-3,000K.
- Cooler, white light: Look for a color temperature of 4,500-6,000K.
For information about recycling CFLs, contact your local household toxic waste disposal program.
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