This calculator was quoted in an article du Figaro, click for more information.
How it works?
- Calculator in flash, it is therefore necessary to have the functional flash plugin in your browser. If not click here
- Explanations detailed on the origin of this calculator
- Just fill in the boxes in the left column, value in red, and look at the results
- Help is integrated, click on the "Input help" button
- The default values are real and correspond to this spot bulb R50 used in France (0.12 € the kWh)
- An excel format version with a ROI graph is download here
- For any remark, question or presentation of your results: use the topic reserved for this calculator
- This kind of calculations and reasoning interests you? Come talk to us about our forums
Good fun !
To go further, download the excel version of this calculator.