Energy saving bulbs: what money is it worth or what money is lost?

Following our previous step (Electricity: return on investment and savings of a compact fluorescent bulb), we offer a small Excel file (compatible OpenOffice) allowing you to calculate the costs and gains (or losses in the case of poor quality material) comparative of your economic light bulbs.

Download file: Calculation of the return on investment of a compact fluorescent or LED energy saving bulb

To discuss about forums and present your results.

Read also:  Energy saving in public and political institutions

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