Review
What to know about Coway Airmega ProX
Recommended for extra-large-space use when a 51-pound unit, wheel-dependent movement, and its large footprint are workable in the home.
Editorial notes
Why it stands out
Why we like it
HouseFresh provides exact-model firsthand testing, and Consumer Reports supplies a separate exact-model consumer-testing-program record.
What to know
This is a substantial floor unit: its 51-pound weight, wheel-dependent mobility, large footprint, and recurring filter requirement are central ownership conditions. Confirm current filter availability at publication time.
Specifications
Coway Airmega ProX specs
Specifications
- Exact model / SKU
- AP-3522F_US
- Independent PM1 CADR at maximum
- 462 CFM
- Independent PM1 CADR at low-noise setting
- 299 CFM
- Quiet-test threshold
- Sub-45 dBA
- Measured noise range
- 37.4–53.6 dBA, measured from 3 ft away dBA
- Ionization/electronic stage present
- No
- Model-specific ozone/technology disclosure
- ENERGY STAR exact-model record: ozone emissions 0.0 ppb
- Particle-filter construction/certification
- Washable pre-filter plus two Max2 filters; Max2 filtration combines HEPA and activated-carbon filters
- Carbon-media format
- Multi-cubed activated-carbon filter
- OEM replacement-filter price
- 199 USD
- Stated filter interval
- 12 months
- Manufacturer direct/list price
- 999 USD
Buying workflow
- Workflow type
- Extra Large Floor Unit
Shopping
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Prices are checked periodically. Older amounts are labeled with their last verification date.
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Prices and availability may change. The retailer's price and availability at checkout govern the transaction.
| Retailer | Price | Availability | |
|---|---|---|---|
| Coway Official Store |
$999.00
Last known price — verified Oct 19, 2026; may have changed |
Last reported: In Stock | Check at retailer |
Lowest verified price
—
30-day low
$999.00
90-day average
$999.00
90-day low
$999.00
Based on 8 retailer price observations captured during the last 90 days.
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