Blueair Classic Pro CP7i is the first air purifier to use High Intensity Narrow Spectrum Light (HINS) technology, which eliminates viruses and bacteria using violet-blue light. Anna Gora’s reviews were published on June 2, 2025.
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(Photo: © Anna Gora) Verdict Live Science
The Blueair Classic Pro CP7i lives up to its promise: it operates quietly, reacts to changes in air pollution levels, and effectively removes odors and particulate matter. It also provides very detailed information about air quality and offers a variety of smart features. This innovative air purifier would have received five stars if it weren’t for its bulky design and high price.
TODAY’S BEST DEALS $699.99 at Amazon Pros
High efficiency air purification
Helps cleanse the air of germs
Quiet operation at low fan speeds
Detailed information about air quality
Reliable app and voice control
Cons
Big and bulky
The air intakes are located at the rear
Relatively high price
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Most air purifiers only handle particulate matter of a certain size, like dust, pollen, and pet dander. That’s not to say it’s bad—capturing these common pollutants is the primary purpose of these devices. However, in today’s world, that’s no longer enough.
From devices that can eliminate odors and humidify the air to air purifiers that can charge your phone and diffuse essential oils, manufacturers are constantly competing with each other to offer new and exciting products. However, the main characteristic of the best air purifiers remains their ability to remove the smallest contaminants from the air. Increasingly, this means viruses, bacteria, and yeast. The Blueair Classic Pro CP7i is a great example of this trend. It is the first air purifier to use High Intensity Narrowband (HINS) technology.
This relatively new technology uses violet-blue light with a wavelength of 405 nm (nanometers) to remove tiny microbes that are in the air. HINS generates free radicals (highly reactive molecules with no
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