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Energy Saving Calculator
  • Replacement Bulb Wattage(W):
  • Existing Bulb Wattage(W):
  • Number of Lamps to Replace:
  • Energy Cost Per kWh:
  • Unit Cost of Current Bulb($):
  • Unit Cost of LED Bulb($):
  • Lifetime of Existing Bulb(Hours):
  • Lifetime of LED Bulb (Hours):
  • Average Daily Bulb Usage (Hours):
  • Investment for LED Replacement:
  • Current Electric Cost Per Month:
  • Electric Cost Using LEDs Per Month:
  • Energy Savings Per Month:
  • Total Energy Savings over life of lamp:
  • Total Bulb Replacement Savings:
  • Total Savings Using LED Bulbs:
  • Savings over life of lamp:
  • Return on Investment:
Memory usage: real: 16252928, emalloc: 15593784
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