| Existing incandescent light bulb size | watts |
| Replacement ENERGY STAR® compact fluorescent bulb size | watts |
| Number of light bulbs | bulbs |
| Hours of use per day | hours |
| Cost per incandescent light bulb | . dollars |
| Cost per ENERGY STAR® compact fluorescent bulb | . dollars |
| Electricity cost | . cents per KWH
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Calculator provided courtesy of the sponsoring organizations of
Northeast Energy Efficiency Partnerships, Inc. (NEEP).
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Savings are for wattages shown. Your actual savings will vary based on
the wattages you purchase. When comparing incandescent or halogen
bulbs to ENERGY STAR qualified bulbs or fixtures, compare the light
output, or lumens, and not Watts. Watts equal the energy used, not the
amount of light.
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