Green Numbers – a series of posts presenting facts and figures relevant to the environmentally conscious consumer.

  • One-fifth of the average US household electricity consumption is used for electronic devices.
  • 40 percent of the energy used for home electronic devices is used while they are turned off.
  • 85 percent of the $250 billion spent worldwide on powering personal computers is wasted in standby mode.
  • 1 million megawatt-hours of power that would be saved annually in the US by energy-efficient battery chargers.
  • 90 percent less energy is used by laptops than desktop computers.
  • 49 percent of the energy used by the average household is utilized for heating and cooling rooms.
  • A quarter of the heat loss from a house can be caused by improperly sealed windows.
  • $13 billion in energy costs is wasted annually in American homes as heat escaping through cracks and leaks.
  • 70 percent more electricity is used by a refrigerator manufactured 20 years ago compared to one made today.
  • 2 times more electricity is used to wash clothes using water at 140 degrees F than at 104 degrees F.

DISCLAIMER – GreenBrig.com does not guarantee the accuracy of the statistics presented on this page, nor does it recommend or endorse any particular use of this information.