Clean Air Delivery Rate
How well an air purifier works depends on the percentage of pollutants removed as air goes through the filter system combined with the amount of air that goes through the unit. In other words, you want a unit that cleans a lot of air extremely well!
To help consumers evaluate air purifiers, AHAM (the Association of Home Appliance Manufacturers) devised a test that evaluated the combined effectiveness of filtration and capacity. The test results are expressed in Clean Air Delivery Rate or CADR. This is the test that the American Lung Association and the EPA look to as a standardized test for evaluating the performance of air purifiers.
What the CADR tells you is the amount of 100% clean air that is coming out of an air purifier. Of all the units tested by AHAM, Blueair had the very highest test results in their room size capacity. This means that no other unit delivers as much fresh, clean air into your environment as Blueair!
And we're talking about a lot of clean air, too. Without getting too technical, in a home with smoke pollution, having a Blueair operating is like adding 380 cubic feet of 100% clean air to the room every minute!
And the Blueair performed outstandingly on the two other test materials, too. For dust and pollen pollution, the Blueair adds 390 cubic feet of clean air per minute! Only these materials were incorporated in the AHAM tests. But there's every indication that the exclusive Blueair technology provides similar rates of clean air on a wide range of indoor pollutants.
Not only does the Blueair have amazing CADR performance; it can handle large spaces, too. AHAM recommends the Blueair 503 for rooms up to 550 square feet (22 x 25 assuming an 8' ceiling)! This means that even in a room this size, the Blueair 503 provides a complete air exchange every 11 1/2 minutes!
