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Category Archive for 'energy efficiency'

Over an air conditioner’s lifetime, only one-fourth of the total cost is for the purchase of the air conditioning unit. The greater cost—three-fourths—is for the energy to run the air conditioner.

Alliance to Save Energy, December 2005

If just one in 10 homes used ENERGY STAR qualified appliances, the change would be like planting 1.7 million new acres of trees.

Energy Star

Replacing just one incandescent light bulb with a compact fluorescent lamp would save 500 pounds of
coal and over a ½ ton of CO2 emissions.

National Geographic, August 9, 2005

Saving a factor 4

According to some estimates, just turning off a monitor can save 75 percent of the overall energy consumption of a PC.

Graeme Wearden, ZDNET UK, October 2005

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