Home › Compare › Blueair Blue Pure 211i Max vs Winix 9800
Blueair Blue Pure 211i Max vs Winix 9800
Both are extra large air purifiers. Blueair Blue Pure 211i Max scores 3.9 to 3.8 on our formula. Winix 9800 costs $21 less, so it can still be the better buy on a tight budget.
Rating by rating
| Rating | Blueair Blue Pure 211i Max | Winix 9800 |
|---|---|---|
| Overall | 3.9 | 3.8 |
| Value | 2.0 | 2.5 |
| Energy efficiency | 4.5 | 2.0 |
| Quietness | 5.0 | 3.0 |
| Filter cost | 3.5 | 5.0 |
| Certified CADR | 5.0 | 5.0 |
| Features | 4.0 | 5.0 |
Spec by spec
| Spec | Blueair Blue Pure 211i Max | Winix 9800 |
|---|---|---|
| Price (USD) | 300 | 279 |
| $ per CADR | 0.8 | 0.7 |
| Smoke CADR | 400 | 405 |
| Dust CADR | 400 | 410 |
| Pollen CADR | 400 | 408 |
| AHAM room size (sq ft) | 620 | 628 |
| Max power (W) | 52 | 85 |
| CADR per watt | 7.7 | 4.8 |
| Noise low (dB) | 23 | 25 |
| Noise high (dB) | 53 | 56 |
| Filter cost per year | $140 | $95 |
| 5-year cost | $1,000 | $754 |
| Carbon (lb) | 0.3 | 1.2 |
| True HEPA | Yes | Yes |
| Auto mode | Yes | Yes |
| App | Yes | Yes |
| AHAM Verifide | Yes | Yes |
| Energy Star | Yes | Yes |
Green marks the better figure in each row. Prices are approximate street prices.