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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
|
Calculator provided courtesy of the sponsoring
organizations of
Northeast Energy Efficiency
Partnerships, Inc. (NEEP). |
| |
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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Click here to view some of our ENERGY STAR-qualified compact fluorescent light bulbs
Other calculators are available here:
»
Residential ENERGY STAR lighting fixture energy and cost savings calculator
»
Commercial facility lighting retrofit energy and cost savings calculator
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