Carbon Contest

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Lightbulb Cost-Saving Calculator
Old (Incandescent) Bulb:
Bulb Price:
Bulb Wattage:

 New (Compact Fluorescent) Bulb:
   Bulb Price:
Bulb Wattage:

Your Information:
Daily Use (in hours):
Your State:

This calculator shows you just how much you can save by switching to CFL lightbulbs. The calculation is only for a single bulb - so remember - to get your total savings, multiply the result by the number of bulbs you are replacing.

The carbon Contest store offers a number of compact fluorescent bulbs to choose from... just follow this link

Replace your old incandescent lightbulbs with new compact fluorescent ones and start saving today!

Why sign up?
When you sign up (FOR FREE!) you'll be able to:
  • - Track and analyze your energy usage
  • - Get personalized energy upgrade recommendations
  • - Connect to your local energy experts