Lamp Comparison LED CFL INCANDESCENT Wattage Expected Life ( Hours) * Number of bulbs needed for Project installation (Enter number in LED column, amount needed over 10 years will automatically appear in CFL and Incandescent columns.) Cost of a single bulb $ $ $ Total cost of all bulbs $ $ $ Power Cost Dollars per KiloWatt hour $ $ $ $ Maintenance Cost Factor Cost per bulb change $ Total Maintenance Cost Comparison ( Number of bulbs -1 ) * Cost $ $ $ Total Cost $ $ $ * Each LED Lamp lasts Approx 11 years (12hrs per Day) This calculator will give general cost savings results and should not substitute for an in-depth comparative analysis.

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