Whole-House Air Purifiers: Efficiency Report
Manufacturers say their newest designs of whole-house air purifiers reduce the amount of ozone that’s in the home through the use of carbon filters, which appears plausible. However, you still should be wary about claims of overall effectiveness. T he push for healthier indoor-air quality by Environmental Protection Agency and the green-building movement has fueled the market for whole-house air purifiers in today’s homes. According to market-research group Freedonia, sales of portable and whole-house air purifiers are expected to rise by 4.8 percent annually to $1.7 billion in 2014. As concerns about the effects of poor indoor-air quality have increased, manufacturers have marketed whole-house air purifiers as capable of doing more than ever before—including helping consumers who suffer from chronic respiratory illnesses, such as allergies and asthma. Although studies indicate that some claims might have merit, other claims are misleading. In 2009, Food and Drug Administration i...