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Lamp life Input wattage Lumens (brightness) Lamp required for 10,000 hours Lamp costs for 10,000 hours Electricity Used per year Annual electricity cost ** Annual savings Cost for 10,000 hours w/ lamp Lamp life savings *Based on 3000 hours usage a year. ** Based on .18 cent per kwH. |
Last apprx 10,000 hours 18w 810 Lumens 1 lamp 1 @ $3.5 54 kwH 9.72 $30.78 or 76% $35.90 $101.45 or 74% |
Last apprx 2000 hours 75w 830 Lumens 6.7 bulbs 6.7 @ .35 = 2.35 225 kwH $40.5 0 $137.35 0 |
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Copyright © 2008 Efficient Lighting Corporation. All Rights Reserved. |
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