An environmental group accused three major television manufacturers Wednesday of misleading consumers and regulators about how much energy their high-definition screens devour by designing them to draw less power during government testing than in ordinary use.
The Natural Resources Defense Council concluded that the TVs made by Samsung, LG Electronics and Vizio saddle households with an extra $120 million in electricity bills each year and generate tons of additional pollution.
The added expense works out to about $10 to $20 per household annually over the anticipated decade-long life of the typical widescreen TV.
Both Samsung and LG Electronics disputed the findings.
"It appears that some major manufacturers have modified their TV designs to get strong energy-use marks during government testing but may not perform as well in consumer homes," said Noah Horowitz, senior scientist and director for the NRDC's center for energy efficiency standards.
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