Blueair Blue Pure 411i Max vs Coway AP-1512HH
By Spec Atlas ·Updated May 2026 ·Affiliate disclosure
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About this comparison. We discuss product specifications and buying trade-offs. We have not independently tested these products. How we compare products.
Quick Verdict
Coway cleans faster — Blueair is quieter with app control.
- Best for Small Rooms & Quiet Environments Blueair 411i Max
- Best for Medium–Large Rooms Coway Mighty
- Best Smart Home Integration Blueair 411i Max
- Best Raw CADR Pick Coway Mighty
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What to consider before buying
The Blueair 411i Max uses HEPASilent technology — a combination of mechanical filtration and electrostatic charging that achieves high filtration efficiency at lower fan speeds. That's why its power draw is just 10W on low and noise sits at 17 dB — unusually quiet for a purifier in this size class.
The tradeoff: HEPASilent covers 190 sq ft, and the CADR numbers (190 across all categories) are lower than the Coway's. In a 350 sq ft living room, the Blueair will take twice as long to achieve the same clean air delivery as the Coway. Room size is the single most important factor in this decision.
The Blueair's app and PM2.5/VOC sensing are genuinely useful differentiators. You can see actual particle counts rather than a vague LED color, set schedules, and check air quality remotely. For tech-forward users, that data visibility is worth something.
The Coway wins on raw cleaning performance. Its 246 CFM dust CADR gives it more headroom in real-world rooms, especially when the space is closer to a living room than a small bedroom.
Caveat for each: the Blueair's electrostatic stage produces trace ozone — again, within safe limits, but worth noting if you're sensitive. The Coway has no VOC sensor — its LED only indicates particle pollution, not gases or chemicals from cleaning products or off-gassing furniture.
Full Spec Comparison
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| Spec | Blueair 411i Max | Coway Mighty |
|---|---|---|
| CADR (Dust) | 190 CFM | 246 CFM |
| CADR (Smoke) | 190 CFM | 233 CFM |
| CADR (Pollen) | 190 CFM | 240 CFM |
| Room Coverage | 190 sq ft | 360 sq ft |
| Filter Type | HEPASilent (electrostatic + mechanical) | True HEPA + Carbon + Pre-filter |
| Noise (Low) | 17 dB | 24.4 dB |
| Noise (High) | 46 dB | 53.8 dB |
| App Control | Yes (Blueair app) | No |
| Auto Mode | Yes | Yes |
| Air Quality Sensor | PM2.5 + VOC | LED indicator only |
| Power Draw | 10W (low) | 77W |
Who Should Buy Which
Blueair Blue Pure 411i Max
17 dB on low is genuinely silent — below the threshold of human perception in most rooms. Ideal for nurseries, meditation rooms, or light sleepers in spaces under 190 sq ft.
Coway AP-1512HH Mighty
360 sq ft coverage at 246 CFM dust CADR gives the Coway roughly 2× the effective cleaning power of the Blueair in the same sized room. Clear winner for anything above 200 sq ft.
Blueair Blue Pure 411i Max
Full app control with PM2.5 and VOC sensing, scheduling, and remote access. If you want to check air quality from your phone or integrate with smart home routines, Blueair is the only option here.
Coway AP-1512HH Mighty
Higher CADR and larger room coverage make the Coway the stronger performance pick for medium-size rooms.
Frequently Asked Questions
What is the difference between the Blueair 411i Max and Coway Mighty?
The Coway Mighty covers more ground, rated for 360 sq ft with 246 CFM dust CADR against the Blueair 411i Max's 190 sq ft and 190 CFM. The Blueair runs quieter at 17 dB on low versus 24.4 dB, draws just 10W of power, and adds app control with PM2.5 and VOC sensing that the Coway lacks. Pick coverage and raw CADR from the Coway, or quiet efficiency and smart monitoring from the Blueair.
Which is better for a living room, the Blueair 411i Max or Coway Mighty?
The Coway Mighty is the better fit for a living room, since its 360 sq ft rating and 246 CFM dust CADR give it roughly double the effective cleaning power of the 411i Max in the same space. The Blueair tops out at 190 sq ft, so in a 350 sq ft room it needs twice as long to clean the air as thoroughly. Room size drives this decision more than any other spec on the sheet.
Does the Coway Mighty have a VOC sensor?
No, the Coway Mighty has no VOC sensor, only an LED indicator that shows particle pollution without tracking gases or chemicals. The Blueair 411i Max covers that gap with a PM2.5 and VOC sensor paired to its app, so you get actual particle counts and chemical readings instead of a vague color band. For anyone worried about off-gassing furniture or cleaning product fumes, the Blueair is the one that actually measures it.
Which is quieter, the Blueair 411i Max or Coway Mighty?
The Blueair 411i Max is quieter at both ends of its range, measuring 17 dB on low against the Coway's 24.4 dB, and 46 dB on high versus 53.8 dB. That efficiency comes from HEPASilent's electrostatic charging, which lets the fan run slower for the same filtration and also cuts power draw to just 10W on low. For a nursery, meditation room, or a light sleeper, the 411i Max's low-speed noise sits below where most people notice it.
Buying checks and offers
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