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Use our CFL Savings Calculator to see how much money and CO2 emissions you could save by changing all the lights in your house to CFLs!

Compact Fluorescent (CFL) 100 watt Replacement Bulbs
  • Uses only 23 watts
  • Carbonfree
  • Low Mercury
  • Energy Star qualified
  • Warm white (2700K)
  • 10,000 hour life
  • 9 year warranty
  • Savings up to $92/bulb

    • This light bulb can be used in the following types of fixtures:

    Giving back what we take
    To offset the CO2 emissions generated by our CFLs, we purchase renewable energy through the Carbonfund.org Foundation in an amount equal to what it would take to light each light bulb for its entire life.
    2 Pack - Price: $5.99
    New low price: Only $2.99 each!
    A portion of the proceeds is used to purchase 616 lbs of carbon offsets from the Carbonfund.org Foundation, making this bulb Carbonfree

    Quantity:  

    Need larger quantities? Save 15% off our already low prices when ordering by the case. Click here to find out more!

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    © Copyright 2007 ECOfuture, LLC. All rights reserved. THE bulb and “You do your part, we’ll do ours” are trademarks of Ecofuture, LLC.
    Carbonfree is a trademark of the Carbonfund.org Foundation and is used under license by EcoFuture, LLC.