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The Real Cost of Going Green

By Bloomberg Rankings - 2012-04-20T22:39:48Z

Photograph by Jessie Jean/Taxi/Getty Images

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Clean Indoor Air

Most Americans spend up to 90 percent of their lives indoors. That leads to a greater chance of health problems, according to the U.S. Consumer Product Safety Commission. Clean the air at home of radon, carbon monoxide, air fresheners that contain formaldehyde, and animal dander. BCC Research projected Americans would about spend $2 billion on home indoor air-quality equipment in 2011.

$450-$1,000: Have air ducts cleaned of allergens, bacteria and mold by an air duct cleaning service such as Sears Home Services (or do it yourself).
$173: HEPA air filter, such as the Honeywell 50250-S --