Our Verdict
Coway COWAY Air Purifiers Wins
It provides a CADR Smoke of 416 and covers 650 sq ft (4 ACH), with low noise at 22 dB. Choose Blueair if you prioritize a 1-hour cleaning claim for 3048 sqft and app monitoring.
Spec Comparison
15 specs compared
| Specification |  |  |
|---|---|---|
| Price | $349 | $490 |
| Rating | 4.5(12.5k) | 4.4(6.5k) |
| Cadr Smoke | — | 416 |
| Coverage Sq Ft | — | 650 |
| Noise Level db Min | — | 22 dB |
| Weight | 24 lbs | 3.05 lbs |
| Sensor Type | OmniSense | — |
| Model Number | BLU-110175 | — |
| WiFi | Yes | — |
| Dimensions | 22" × 30" × 27" | — |
| Max Pet Weight | 25 lbs | — |
| App Subscription | Free | — |
| Cleaning Cycle | 7 min | — |
| Waste Capacity | 5.5L | — |
| Energy Star | — | Yes |
| Filter Type | — | True HEPA |
| Smart Sensor | — | Yes |
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Pros & Cons
Quick overview of strengths and weaknesses
BLUEAIR Air Purifiers
- Auto-cleans after each use
- WiFi app monitoring
- Fits cats up to 25 lbs
- Low noise operation
- Large footprint
- High upfront cost
- Requires specific litter
Coway Air Purifiers
- Removes 99.999% of 0.01-micron particles.
- Covers 780 sq ft with 4 air changes per hour.
- Smart Mode adjusts fan speed based on air quality.
- Eco Mode shuts off fan when air is clean.
- Stated 3,120 sq ft coverage misleading for 4 ACH.
- True HEPA filters require periodic replacement.
- No remote control listed in features.
Frequently Asked Questions
Common questions about this comparison
Which is better for allergies and pets?
Coway, with its True HEPA filters removing 99.999% of 0.01-micron particles and 5-year warranty, is excellent for allergies and pet dander. Blueair also offers good large room cleaning but lacks specific filter details in the provided data for direct comparison.
What is the main difference in their effective coverage?
Coway specifies 650 sq ft for 4 air changes per hour (ACH) and a CADR Smoke of 416. Blueair claims to clean 3,048 sq ft in one hour, which typically refers to 1 ACH, meaning it covers a very large area less frequently.
Which air purifier offers better smart features?
Blueair offers WiFi app monitoring. Coway features a Smart Mode that adjusts fan speed based on air quality, and an Eco Mode that turns off the fan when the air is clean, alongside an AQI display for comprehensive air quality management.
How do their noise levels compare?
Coway lists a minimum noise level of 22 dB, which is very quiet for continuous operation. Blueair is described as having "low noise operation," but no specific decibel rating is provided in its specifications for a precise comparison.
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