Head to head
Winix 5500-2 Air Purifier vs Coway Airmega AP-1512HH Mighty
Coway Airmega AP-1512HH Mighty leads 5 to 0 on the 5 rankable specs, but Winix 5500-2 Air Purifier costs $70 less.
Catalog as of September 1, 2026
Why, in numbers
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Levoit Core 300S Smart True HEPA Air Purifier$149Levoit Core 400S$219Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Levoit Core 600S Smart True HEPA$299Blueair Blue Pure 211+ Auto$339Coway Airmega 250$399Coway Airmega 400$549Blueair Protect 7470i$649Alen BreatheSmart 75i Large Room Air Purifier$749Dyson Purifier Hot+Cool Formaldehyde HP09$799Buying for
Straight answer
Overall: 0 to 5
Buy the Coway Airmega AP-1512HH Mighty.
- Leads 5 of 5 rankable overall specs.
- CADR: 233 CFM vs 232 CFM
- Coverage area: 361 sq ft vs 360 sq ft
- Winix 5500-2 Air Purifier is $70 cheaper. Pay the difference only if cadr matters to you.
At a glance
The handful of numbers that decide most purchases in this category.
CADR
Winix
232 CFM (Smoke), 243 CFM (Dust), 246 CFM (Pollen)
Coway
233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen)
Coverage area
Winix
360 sq ft (5 air changes/hr) / 880 sq ft (2 air changes/hr)
Coway
361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr)
True 3-Year Cost of Ownership (TCO)
Winix 5500-2 Air Purifier
Coway Airmega AP-1512HH Mighty
Room Placement & Bedroom Noise Check
Physical clearance required for airflow, wall placement, and bedroom noise levels.
Wall Clearance Required
Requires 12 in perimeter airflow space
Front-intake design: can sit almost flush against walls (leaves floor space open)
Nighttime Sleep Mode Noise
Standard sleep speed
24.4 dB lowest speed (vital ionizer can be toggled off)
Unit Footprint & Dimensions
Standard room purifier footprint
Boxy square unit (16.8 × 18.3 × 9.6 in; 12.3 lb)
The 90-Day Owner Regret Check
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Winix: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Coway: What to watch for
- Hardware Quirk
Ionizer ("Vital Ion") produces negligible ozone and should be disabled.
Performance
leads 2-0| CADR | 232 CFM (Smoke), 243 CFM (Dust), 246 CFM (Pollen) | 233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen) (wins this row: higher) |
|---|---|---|
| Room size | Bedrooms, nurseries, home offices up to 360 sq ft | Bedrooms, home offices, medium living rooms |
| Coverage area | 360 sq ft (5 air changes/hr) / 880 sq ft (2 air changes/hr) | 361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr) (wins this row: higher) |
Filters
2 differences| Filter types | Fine Mesh Pre-Filter + Washable AOC Carbon + True HEPA (99.97%) | 4-Stage: Washable Pre-filter + Deodorization Carbon + True HEPA + Vital Ion |
|---|---|---|
| Filter life | 12 months (HEPA) / Washable carbon filter | 12 months (True HEPA) / 6 months (Carbon) |
Usability & Smart
leads 1-0| Noise levels | 27.8 dB (Silent) – 54.8 dB (Turbo) | 24 dB (Low) – 53 dB (Turbo high) (wins this row: lower) |
|---|---|---|
| Energy consumption | 70 W max (Energy Star) | 77 W max (Energy Star verified, 4.9W in Eco mode) |
| Smart features | Auto Mode + Sleep Mode with Smart Light Sensor (No Wi-Fi) | Smart Auto Mode + Eco Mode (no Wi-Fi app) |
| Air quality sensors | Smart Optical Air Quality Sensor (3-color LED indicator) | Air quality particle sensor with 3-color real-time LED indicator |
Design & Ownership
leads 2-0| Weight | 14.7 lb (6.7 kg) | 12.3 lb (5.6 kg) (wins this row: lower) |
|---|---|---|
| Warranty | 2 years | 3 years limited manufacturer warranty (wins this row: higher) |
Which one should you buy
Pick this one if
Winix 5500-2 Air Purifier
Budget favorite with PlasmaWave technology, Washable AOC Carbon Filter, and True HEPA filtration.
- Washable Advanced Odor Control (AOC) carbon filter with real carbon pellets
- PlasmaWave technology breaks down pollutants at molecular level
- Unbeatable performance per dollar in medium rooms
What you give up
- No mobile app connectivity or smart home controls
- Aesthetics and plastic chassis are dated
Pick this one if
Coway Airmega AP-1512HH Mighty
Award-winning compact 4-stage True HEPA air purifier with Vital Ionizer and energy-saving Eco mode.
- High smoke and particulate filtration efficiency in a compact footprint
- Eco Mode powers off fan automatically after 30 minutes of clean air
- Washable pre-filter extends the life of internal carbon and HEPA filters
What you give up
- No Wi-Fi connectivity or mobile smartphone app
- Ionizer feature produces trace ozone if left enabled
Best for each use
Bedrooms
For bedrooms, buy the Coway Airmega AP-1512HH Mighty.
Big rooms & allergies
For big rooms & allergies, buy the Coway Airmega AP-1512HH Mighty.
Low running cost
Too close to call on low running cost from the spec sheets. Only warranty is rankable here.
Done deciding?
Open the full standalone spec sheet for either device.
Manufacturer pages: Winix 5500-2 Air Purifier ↗ · Coway Airmega AP-1512HH Mighty ↗
Common questions
Which is cheaper, the Winix 5500-2 Air Purifier or the Coway Airmega AP-1512HH Mighty?
Winix 5500-2 Air Purifier costs $70 less at list price.
What is the biggest catch with the Winix 5500-2 Air Purifier or Coway Airmega AP-1512HH Mighty?
Both has this deal-breaker: no Wi-Fi app. No schedules or remote control from your phone.
Which is better for bedrooms, the Winix 5500-2 Air Purifier or the Coway Airmega AP-1512HH Mighty?
For bedrooms, buy the Coway Airmega AP-1512HH Mighty. Leads 2 of 2 rankable bedrooms specs. Noise levels: 24 dB vs 27.8 dB
What cannot be compared from spec sheets?
Of the 11 specs tracked here, 6 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.