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Coway · Air purifiers

Coway Airmega 250

Modern slim aesthetic air purifier with Green True HEPA Max2 filtration, covering up to 930 sq ft, Smart Auto mode, and easy-clean washable pre-filter.

List price

$399

11 attributes tracked

Catalog as of September 1, 2026

Manufacturer list price, not a live offer. Confirm current pricing before you buy.

CADR

249 CFM (Smoke), 261 CFM (Dust), 230 CFM (Pollen)

Coverage area

930 sq ft (2 air changes/hr) / 465 sq ft (4 air changes/hr)

What it does well

  • Green True HEPA filter captures 99.999% of 0.01-micron ultrafine particles and neutralizes odors
  • Easy-to-clean EZ-pull front pre-filter slides out from the top without opening the machine
  • Covers up to 930 sq ft with Smart Auto Mode and real-time PM2.5 particle sensor LED ring

Where it gives ground

  • No Wi-Fi app connectivity on the standard 250 model (app available on 250S variant)
  • Substantial 20.5 lb weight

Compare it head to head

The fastest way to decide is against the product you are actually cross shopping. Showing 4 of 12 published matchups.

Air purifiers11 differing specs

Alen BreatheSmart 75i Large Room Air Purifier

$749

Coway Airmega 250

$399

Alen leads on 3 of 5 rankable specs, but Coway saves $350.

See the breakdown
Air purifiers11 differing specs

Blueair Blue Pure 211+ Auto

$339

Coway Airmega 250

$399

Coway leads on 4 of 6 rankable specs, but Blueair saves $60.

See the breakdown
Air purifiers11 differing specs

Blueair Blue Pure 311i Max

$229

Coway Airmega 250

$399

Coway leads on 3 of 5 rankable specs, but Blueair saves $170.

See the breakdown
Air purifiers11 differing specs

Blueair Protect 7470i

$649

Coway Airmega 250

$399

Blueair leads on 2 of 3 rankable specs, but Coway saves $250.

See the breakdown

Full specifications

Performance

CADR
249 CFM (Smoke), 261 CFM (Dust), 230 CFM (Pollen)
Room size
Large bedrooms, apartments, living rooms, and open layouts up to 930 sq ft
Coverage area
930 sq ft (2 air changes/hr) / 465 sq ft (4 air changes/hr)

Filters

Filter types
EZ-clean Washable Pre-filter + Max2 Green True HEPA and Activated Carbon filter
Filter life
12 months (Max2 filter) / Washable slide-out pre-filter

Usability & Smart

Noise levels
22 dB (Sleep mode) – 54 dB (Max speed)
Energy consumption
60 W max power consumption (Energy Star Certified)
Smart features
Smart Auto Mode, Rapid Mode, Eco Mode, and Sleep Mode
Air quality sensors
Real-time particle sensor with colorful LED air quality indicator

Design & Ownership

Weight
20.5 lb (9.3 kg)
Warranty
5 years limited warranty on motor / 1 year electronic parts
Most rows are from the official spec sheet. Marked rows are other published figures or our summary, not lab tests we ran.Official Coway Airmega 250 spec sheet (opens in a new tab)

Other air purifiers we track

Blueair

Blueair Blue Pure 211+ Auto

$339

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Levoit

Levoit Core 600S Smart True HEPA

$299

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Coway

Coway Airmega 400

$549

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Honeywell

Honeywell HPA300 HEPA Air Purifier

$249

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Coway

Coway Airmega AP-1512HH Mighty

$229

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Blueair

Blueair Blue Pure 311i Max

$229

CompareSpecs

Frequently asked

How much does Coway Airmega 250 cost?

Coway Airmega 250 lists at $399 (manufacturer list price snapshot as of 2026-09-01). Retail prices vary by merchant and this is not a live quote.

What are Coway Airmega 250’s key specs?

Key specifications for Coway Airmega 250 include cadr (249 CFM (Smoke), 261 CFM (Dust), 230 CFM (Pollen)) and coverage area (930 sq ft (2 air changes/hr) / 465 sq ft (4 air changes/hr)).

What does Coway Airmega 250 compare against?

Coway Airmega 250 is compared head to head against Alen BreatheSmart 75i Large Room Air Purifier vs Coway Airmega 250, Blueair Blue Pure 211+ Auto vs Coway Airmega 250, Blueair Blue Pure 311i Max vs Coway Airmega 250, Blueair Protect 7470i vs Coway Airmega 250, Coway Airmega 400 vs Coway Airmega 250, and Coway Airmega AP-1512HH Mighty vs Coway Airmega 250.