Side-by-side comparison based on expert reviews and community consensus.
Blueair Blue Pure 211i Max
Best for Large RoomsCoway Airmega AP-1512HH Mighty
Best OverallPrice
$200-$280
$80-$120
Summary
Wirecutter's top pick for large spaces, capable of cleaning up to 750 sq ft on high. Quiet for its power level and energy-efficient enough for all-day use.
The most consistently recommended air purifier across Reddit and expert sites for years. Punches well above its price with strong CADR, easy filter maintenance, and low running costs.
Pros
- Delivers 4 air changes per hour in spaces up to 750 sq ft on high setting
- Not particularly power-hungry for its size and output
- Consistently top-ranked by Wirecutter and CNET for large-room performance
- Fabric pre-filter is washable, reducing ongoing filter costs
- One of the most recommended air purifiers on Reddit for years running
- Simple to clean with easy-to-source replacement filters
- Strong CADR relative to its compact size and price
- Low energy draw compared to similarly capable competitors
Cons
- Higher upfront cost than budget competitors
- Replacement filters are pricier than Coway or Winix
- Bulky footprint may not suit smaller apartments
- Older design with no smart/app features on base model
- Best suited for medium rooms (~360 sq ft), not large open spaces
- Fan noise on highest setting can be disruptive
Our take
If you have a large living room or open-plan space, the 211i Max is the one to get. Wirecutter tested it extensively and CNET's lab confirmed Blueair's performance claims — this is the rare case where expert consensus and real-world results align perfectly.
This is the air purifier to get if you want to stop thinking about it. Reddit has been recommending the Coway Mighty for years and nothing has knocked it off the top spot — that kind of sustained community consensus is hard to argue with.
Buy
