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Head to head

Coway Airmega AP-1512HH Mighty vs Blueair Blue Pure 211+ Auto

They split the 6 rankable specs evenly, so cost decides it: Coway Airmega AP-1512HH Mighty costs $110 less.

Catalog as of September 1, 2026

Why, in numbers

  • CADR: Coway Airmega AP-1512HH Mighty lists 233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen) (Coway sheet, 2026-09-02); Blueair Blue Pure 211+ Auto lists 353 CFM (Smoke), 347 CFM (Dust), 380 CFM (Pollen) (Blueair sheet, 2026-09-02).
  • Coverage area: Coway Airmega AP-1512HH Mighty lists 361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr) (Coway sheet, 2026-09-02); Blueair Blue Pure 211+ Auto lists 550 sq ft (4.8 air changes/hr) / 1,320 sq ft (2 air changes/hr) (Blueair sheet, 2026-09-02).
  • Room size: Coway Airmega AP-1512HH Mighty lists Bedrooms, home offices, medium living rooms (Coway sheet, 2026-09-02); Blueair Blue Pure 211+ Auto lists Large living rooms, open floor plans, master suites (Blueair sheet, 2026-09-02).
  • Filter types: Coway Airmega AP-1512HH Mighty lists 4-Stage: Washable Pre-filter + Deodorization Carbon + True HEPA + Vital Ion (Coway sheet, 2026-09-02); Blueair Blue Pure 211+ Auto lists Washable fabric pre-filter + HEPASilent main filter (Particle + Carbon) (Blueair sheet, 2026-09-02).
  • Filter life: Coway Airmega AP-1512HH Mighty lists 12 months (True HEPA) / 6 months (Carbon) (Coway sheet, 2026-09-02); Blueair Blue Pure 211+ Auto lists 6 months (Blueair sheet, 2026-09-02).

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

Coway Airmega AP-1512HH Mighty
$2293 spec wins
Swap

Compare a different air purifier

Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Levoit Core 400S$219Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Levoit Core 600S Smart True HEPA$299Coway Airmega 250$399Coway Airmega 400$549Blueair Protect 7470i$649Alen BreatheSmart 75i Large Room Air Purifier$749Dyson Purifier Hot+Cool Formaldehyde HP09$799
Blueair Blue Pure 211+ Auto
$3393 spec wins
Swap

Compare a different air purifier

Levoit Core 300S Smart True HEPA Air Purifier$149Winix 5500-2 Air Purifier$159Levoit Core 400S$219Blueair Blue Pure 311i Max$229Honeywell HPA300 HEPA Air Purifier$249Levoit Core 600S Smart True HEPA$299Coway Airmega 250$399Coway Airmega 400$549Blueair Protect 7470i$649Alen BreatheSmart 75i Large Room Air Purifier$749Dyson Purifier Hot+Cool Formaldehyde HP09$799

Buying for

Every rankable spec counts once. Pick a lens to score only what matters for your air purifier.

Straight answer

Overall: 3 to 3

Tied overall. Coway Airmega AP-1512HH Mighty is cheaper.

  • The 6 rankable overall specs split 3 to 3.
  • Saves $110 at list price.
3 Coway Airmega AP-1512HH Mighty6 rankable of 11 specsBlueair Blue Pure 211+ Auto 3

Deal-breakers

tick what would make you walk away

  • row

    No schedules or remote control from your phone.

    Trips:Coway Airmega AP-1512HH Mighty · Smart Auto Mode + Eco ModeTrips:Blueair Blue Pure 211+ Auto · One-touch Auto Mode
  • row

    Louder than normal conversation at full speed.

    Clear:Coway Airmega AP-1512HH Mighty · 24 dB (Low) – 53 dB (Turbo high)Trips:Blueair Blue Pure 211+ Auto · 23 dB (Low) – 56 dB (Turbo high)
  • row

    Undersized for an open-plan living area.

    Trips:Coway Airmega AP-1512HH Mighty · 361 sq ftTrips:Blueair Blue Pure 211+ Auto · 550 sq ft

At a glance

The handful of numbers that decide most purchases in this category.

2 of 2 differ

CADR

Coway

233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen)

Blueair

353 CFM (Smoke), 347 CFM (Dust), 380 CFM (Pollen)

Coverage area

Coway

361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr)

Blueair

550 sq ft (4.8 air changes/hr) / 1,320 sq ft (2 air changes/hr)

True 3-Year Cost of Ownership (TCO)

Upfront price + 3 years of consumables, fees & essential add-ons

Coway Airmega AP-1512HH Mighty

Upfront list price$229
3-Yr HEPA + 2x carbon pack (Annual filter pack (~$30/yr))+$90
3-Year Estimated Total$319

Blueair Blue Pure 211+ Auto

Upfront list price$339
3-Yr Foldable Particle+Carbon filter (Every 6 months (~$45/yr))+$135
3-Year Estimated Total$474

Room Placement & Bedroom Noise Check

Physical clearance required for airflow, wall placement, and bedroom noise levels.

Ergonomic & Spatial Check

Wall Clearance Required

Cylindrical 360° filters cannot sit flush against walls without choking intake.

Coway

Front-intake design: can sit almost flush against walls (leaves floor space open)

Blueair

Requires 12 in perimeter airflow space

Nighttime Sleep Mode Noise

Levels below 25 dB are virtually silent for light sleepers.

Coway

24.4 dB lowest speed (vital ionizer can be toggled off)

Blueair

Standard sleep speed

Unit Footprint & Dimensions

Coway

Boxy square unit (16.8 × 18.3 × 9.6 in; 12.3 lb)

Blueair

Standard room purifier footprint

The 90-Day Owner Regret Check

Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.

Post-Purchase Truths

Coway: What to watch for

  • Hardware Quirk

    Ionizer ("Vital Ion") produces negligible ozone and should be disabled.

    Many asthma and allergy sufferers immediately toggle the optional ionizer off to ensure completely emission-free mechanical HEPA filtration.

Blueair: What to watch for

  • Maintenance

    Requires periodic filter replacements to maintain airflow and odor capture.

    Activated carbon and HEPA media gradually saturate, needing replacement once or twice yearly depending on air pollution and pet shedding.

Coway Airmega AP-1512HH Mighty$2293 wins
Blueair Blue Pure 211+ Auto$3393 wins

Performance

leads 2-0
Performance specifications. Middle column is Coway Airmega AP-1512HH Mighty, right column is Blueair Blue Pure 211+ Auto.
CADR233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen)353 CFM (Smoke), 347 CFM (Dust), 380 CFM (Pollen) (wins this row: higher)
Room sizeBedrooms, home offices, medium living roomsLarge living rooms, open floor plans, master suites
Coverage area361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr)550 sq ft (4.8 air changes/hr) / 1,320 sq ft (2 air changes/hr) (wins this row: higher)

Filters

leads 1-0
Filters specifications. Middle column is Coway Airmega AP-1512HH Mighty, right column is Blueair Blue Pure 211+ Auto.
Filter types4-Stage: Washable Pre-filter + Deodorization Carbon + True HEPA + Vital IonWashable fabric pre-filter + HEPASilent main filter (Particle + Carbon)
Filter life12 months (True HEPA) / 6 months (Carbon) (wins this row: higher)6 months

Usability & Smart

leads 1-0
Usability & Smart specifications. Middle column is Coway Airmega AP-1512HH Mighty, right column is Blueair Blue Pure 211+ Auto.
Noise levels24 dB (Low) – 53 dB (Turbo high)23 dB (Low) – 56 dB (Turbo high) (wins this row: lower)
Energy consumption77 W max (Energy Star verified, 4.9W in Eco mode)38 W max power consumption
Smart featuresSmart Auto Mode + Eco Mode (no Wi-Fi app)One-touch Auto Mode (no Wi-Fi app)
Air quality sensorsAir quality particle sensor with 3-color real-time LED indicatorIntegrated particle sensor with 3-color air quality LED indicator

Design & Ownership

leads 2-0
Design & Ownership specifications. Middle column is Coway Airmega AP-1512HH Mighty, right column is Blueair Blue Pure 211+ Auto.
Weight12.3 lb (5.6 kg) (wins this row: lower)12.5 lb (5.7 kg)
Warranty3 years limited manufacturer warranty (wins this row: higher)2 years (with product registration)
Most rows are from the official spec sheet. Marked rows are other published figures or our summary, not lab tests we ran.
Coway Airmega AP-1512HH Mighty source (opens in a new tab)Blueair Blue Pure 211+ Auto source (opens in a new tab)

Which one should you buy

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
Full Coway Airmega AP-1512HH Mighty specs →

Pick this one if

Blueair Blue Pure 211+ Auto

High-capacity large-room air purifier with 360-degree HEPASilent filtration and machine-washable fabric pre-filters.

  • High 353 CFM CADR cleans a 550 sq ft living room in just 12.5 minutes
  • HEPASilent electrostatic + mechanical filtration maximizes airflow and efficiency
  • Interchangeable washable fabric pre-filters in multiple designer colors

What you give up

  • No mobile app or Wi-Fi schedule controls (one-button operation)
  • Reaches 56 dB at highest turbo fan setting
Full Blueair Blue Pure 211+ Auto specs →

Best for each use

Bedrooms

Quiet nights: low-speed noise, sleep mode, schedules from your phone

Tied on bedrooms. Coway Airmega AP-1512HH Mighty is cheaper.

  • The 2 rankable bedrooms specs split 1 to 1.
  • Saves $110 at list price.

Big rooms & allergies

Open-plan rooms or allergies: CADR, coverage, filter grade

For big rooms & allergies, buy the Blueair Blue Pure 211+ Auto.

  • Leads 2 of 3 rankable big rooms & allergies specs; Coway Airmega AP-1512HH Mighty takes 1.
  • CADR: 353 CFM vs 233 CFM
  • Coverage area: 550 sq ft vs 361 sq ft
  • Coway Airmega AP-1512HH Mighty is $110 cheaper. Pay the difference only if cadr matters to you.

Low running cost

Cheap to own: filter life, power draw, warranty

For low running cost, buy the Coway Airmega AP-1512HH Mighty.

  • Leads 2 of 2 rankable low running cost specs.
  • Filter life: 12 months vs 6 months
  • Warranty: 3 years limited manufacturer warranty vs 2 years
  • It is also $110 cheaper.

Every answer above is scored from published figures. A lens uses only the rows that matter for that use, including marked rows that are not on the official sheet. Switch lenses interactively in the panel above.

Done deciding?

Open the full standalone spec sheet for either device.

Coway Airmega AP-1512HH Mighty spec sheetBlueair Blue Pure 211+ Auto spec sheet

Manufacturer pages: Coway Airmega AP-1512HH Mighty ↗ · Blueair Blue Pure 211+ Auto ↗

Common questions

Which is cheaper, the Coway Airmega AP-1512HH Mighty or the Blueair Blue Pure 211+ Auto?

Coway Airmega AP-1512HH Mighty costs $110 less at list price.

What is the biggest catch with the Coway Airmega AP-1512HH Mighty or Blueair Blue Pure 211+ Auto?

Both has this deal-breaker: no Wi-Fi app. No schedules or remote control from your phone.

Which is better for bedrooms, the Coway Airmega AP-1512HH Mighty or the Blueair Blue Pure 211+ Auto?

Tied on bedrooms. Coway Airmega AP-1512HH Mighty is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $110 at list price.

What cannot be compared from spec sheets?

Of the 11 specs tracked here, 5 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.

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