To help inform our air purifier picks, we gathered 12 of the newest and most popular models at the CNET Labs product testing facility in Louisville, Kentucky, where we put them through a rigorous set of tests.
When evaluating our scores for air purifiers, we took into account particle removal ability, energy efficiency, loudness, price and features. Each unit is given a score out of 10 for each criterion, then receives a weighted final score out of 10.
After we test air purifiers, we also evaluate the top performers for an Editors’ Choice award as the best purchases for most consumers. The evaluation is based on quantitative and qualitative factors, such as particle removal, energy efficiency, noise level, price and unique features. We also evaluate purely quantitative test results from our rigorous methodology to determine a Lab Award winner. In this case, we have two lab award winners for particle removal
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