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  • Cut Your Electricity Costs With An Energy Monitor. The Greenest Dollar. March 11, 2009.
  • Energy Monitors. Consumer Reports. March 2009.
  • Kill A Watt. P3 International.
  • Kill A Watt PS. P3 International.
  • Lower Your Monthly Energy Bill and Save Money: Kill A Watt. Smart Home.
  • Monitor and Save Money and Energy: Kill A Watt EZ. SmartHome.