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HomeAir purifiers: brands AI assistants recommend
HEPA air purifiers for bedrooms, living rooms and open-plan spaces. Below: which brands AI assistants name when US shoppers ask about air purifiers.
This market is updated monthly, on the first Monday of each month. The results below are from the latest published update, so between updates you see the previous one.
Ranking, Week of Oct 19, 2026
Share is the percentage of sampled answers in which the brand was recommended. Showing the top 4. Change appears once a second update exists.
| # | Brand | Share of answers | Avg. position | OpenAI | Perplexity |
|---|---|---|---|---|---|
| 1 | Coway | 1.1 | 80% | 80% | |
| 2 | Blueair | 2.3 | 60% | 80% | |
| 3 | Levoit | 1.7 | 60% | 60% | |
| 4 | IQAir | 2.5 | 20% | 20% |
With 10 answers, one answer moves a brand by about 10 points, so treat gaps of a few points as ties. Position is the order of first mention in an answer (1 is first). Read the methodology.
Sources the assistants cited
Domains cited most often across the answers for this category, by number of citations.
- cowaymega.com6
- blueair.com5
- levoit.com5
- amazon.com4
- rtings.com4
- forbes.com3
- nytimes.com3
- purifierbeast.com3
- businessinsider.com2
- citehawk.com2
The questions we asked
Every month we ask AI assistants these 5 questions, written the way shoppers type them.
- What is the best air purifier? Best overall
- best HEPA air purifier under $150 Budget
- best air purifier for a large room, $500 or more Premium
- best quiet air purifier for a bedroom in a house with pets Specific need
- alternatives to Dyson air purifiers Alternative
Cite this
You may quote these figures with a link back to this page. Suggested citation:
Dopbot Index, Air purifiers, Week of Oct 19, 2026, dopbot.com/index/air-purifiers
See where your brand stands in air purifiers
Enter your store domain and get a free snapshot: how often AI assistants recommend your brand, who they recommend instead, and which sources they cite.
For brands in this category
Brands that are recommended in the latest update can show a badge on their own site.