Calculate the energy saving (%, Value, and CO2 emissions) and return on investment time when you replace conventional or fluorescent lighting with LED.

The electricity savings can be many thousands per year for larger commercial buildings.

Our Energy Saving Calculator is really simple to use, with a clear readout and flexible data input, suitable for both residential and commercial usage.

Homeowner or commercial facilities management?
You can use this self assessment energy audit tool to make the changes now and start saving.

If you find any errors or have any suggestions please email us the details & we will address them!


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Pro version available: No Ads, Create as many calculations as you need, save them and retrieve them at anytime when you need them. All future updates free, no bad surprises!