Community verdict
Based on 10 authentic reviews, the Blueair Classic 605 earns a score of 6.8 out of 10 for its strong air-cleaning power in larger spaces. Users consistently praise its ability to clear pet hair and its relatively quiet operation on lower settings. However, buyers frequently warn about excessive noise on the highest speed, replacement filters emitting a sour odor, and recurring fan bearing issues.
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Points that came up again and again across the authentic reviews.
A concise summary of what verified buyers of Blueair Classic 605 consistently praise — and what they don’t.
Direct organic buyer opinions about Blueair Classic 605, filtered for spam and ads.
I got the classic 605 and it's been great. It gets the doggy hair...
The first two speeds are quiet, but the third highest speed is very, very loud.
I took dB readings of the Blueair Classic 605 with upgraded filters at all 3 levels: (low-49dB, medium-57dB, high-78dB.)
I was having problems with my BlueAir Classic 605 - specifically the fan. It looks like a lot of people are having similar problems.
Everything you need to know about Blueair Classic 605 before buying.
Reviewers highlight: Great for pet hair; Quiet low speeds; Large room coverage.
Common criticisms include: Loud high speed; Filter odor issues; Fan bearing problems; Non-True HEPA filters.
Based on 10 authentic reviews across Reddit, YouTube, Google Shopping, and social media, the Blueair Classic 605 scores 6.8/10 (mixed sentiment).