Take a deep breath of blue air.

• Position: WHAT'S NEW? Holiday Gift Guide - Blueair Inc.'s Blueair ECO10 - Brief article

So many of us, concerned with our indoor air quality, run air purifiers in our homes. With minimal maintenance, they help trap smoke, dust, and other allergens, and make us more comfortable in our environment. Most of us, however, never stop to think about the carbon emissions emitted by these machines. Blueair Inc., Chicago, Ill., is addressing these climate change issues with its energy-efficient Blueair ECO10 ($899.95).

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Using up to 95% less energy than other air purifiers in its class, this unit effectively can clean a 15' x 20' foot room for less than $10 a year. Comparable units can cost nearly $200/year to operate. In fact, it is nearly 10 times more energy efficient than the minimum performance requirements set by the Environmental Protection Agency.

With a filtration efficiency of 99.5% and a Clean Air Delivery Rate-per-watt ratio of 19.6, the ECO10 has the...