Coway Airmega 400 vs Rabbit Air MinusA2 — Which Should You Buy?
Side-by-side comparison of Coway Airmega 400 and Rabbit Air MinusA2. We compare specs, performance, and value to help you decide.
Feature Comparison
| Feature | Coway Airmega 400 | Rabbit Air MinusA2 |
|---|---|---|
| Room Coverage | Up to 1,560 sq ft | Up to 815 sq ft |
| CADR | 361 (smoke), 377 (dust), 403 (pollen) | 247 (smoke), 250 (dust), 240 (pollen) |
| Filter Type | Green True HEPA + activated carbon | BioGS HEPA + activated carbon + optional specialty |
| Filter Life | 12 months | 12–24 months |
| Annual Filter Cost | ~$70 | ~$80–120 |
| Noise Level | 24–52 dB | 20.8–45.8 dB |
| Smart Features | None | Auto mode, scheduling |
| Air Quality Sensor | Yes (particle indicator) | Yes |
| Weight | 18.7 lbs | 19 lbs |
| Energy Star | Yes | Yes |
Coway Airmega 400
Pros
- ✓Covers up to 1,560 sq ft
- ✓Dual filtration with Green True HEPA
- ✓Filter replacement indicator
- ✓Energy-efficient operation
- ✓Quiet on low and medium settings
- ✓Sleek, compact design
- ✓5-year warranty
Cons
- ✗No smart connectivity
- ✗Filter costs add up over time
- ✗Heavier than some competitors
Rabbit Air MinusA2
Pros
- ✓Wall-mount saves floor space
- ✓Customizable specialty filters
- ✓Six-stage filtration
- ✓Very quiet operation
- ✓Sleek, low-profile design
- ✓Auto mode and scheduling
- ✓5-year warranty
Cons
- ✗Specialty filters add cost
- ✗Lower CADR than some competitors
- ✗Installation requires mounting
Our Verdict
Coway Airmega 400
Our top value pick for large rooms. Outstanding CADR, reliable filtration, and solid build at a price that undercuts premium competitors.
Price Drop Alert — View Deal NowRabbit Air MinusA2
Best for those who want wall-mount flexibility and customizable filtration for specific needs like pets or germs. Quiet and well-built.
Limited Offer — Check Today's PriceOur Methodology
We test each air purifier in a sealed 250 sq ft room with a particle counter, measuring PM2.5 reduction over 1 hour. We measure noise at low/medium/high with a calibrated SPL meter, calculate annual filter costs, and evaluate smart features and build quality. No manufacturer has editorial influence.
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