Compare profitability saving light bulbs


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return calculator on investment and CO2 comparison to the use of so-called energy saving light bulbs or LED. by C.Martz Econologie.com and PP Volta-Electricite.info.

This calculator was quoted in an article Figaro, click for more information.

How it works?

  • Flash calculator, so it is necessary to have the functional flash plugin in your browser. If not click here
  • Explanations Detailed information on the origin of this computer
  • Simply fill in the boxes in the left column, red value, and look at the results
  • Help is integrated, click on the "Help with input" button
  • The default values ​​are real and match this R50 spot bulb used in France (€ 0.12 kWh)
  • An excel version with a payback period of graph is download here
  • For any comments, questions or presenting your results: Use topic reserved for this computer
  • This kind of reasoning and calculations interests you? Come talk with us on our forums

Good fun !

To go further, download the excel Version This calculator.


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