Blueair
Blueair Blue Pure 211+ Auto
Air purifiers
$339List price
Explore this product Your shortlist, side by side
Blueair Blue Pure 211+ Auto vs Coway Airmega 250
Find the differences that matter for your next decision.
Coway
Coway Airmega 250
Air purifiers
$399List price
Explore this product What matters most to you?
Start with all rankable specifications, or focus on a particular use.
Your starting point
Buy the Coway Airmega 250.
- Leads 4 of 6 rankable overall specs; Blueair Blue Pure 211+ Auto takes 2.
- Coverage area: 930 sq ft vs 550 sq ft
How we reached this
We compare the published specifications relevant to your priority. Each rankable specification counts once; your selected requirements can rule a product out. This is a guide to the numbers, not a laboratory performance score.
Filter life: 12 months vs 6 months
Blueair Blue Pure 211+ Auto is $60 cheaper. Pay the difference only if coverage area matters to you.
The trade-off to know
Coway Airmega 250: No Wi-Fi app connectivity on the standard 250 model (app available on 250S variant)
Look at the differences ↓Refine your requirements
What would rule one out?
Side by side
The differences, in detail.
Start with the key specs, then explore as much as you need.
| What you’re comparing | Blueair Blue Pure 211+ Auto | Coway Airmega 250 |
|---|---|---|
| CADRPerformance | 353 CFM (Smoke), 347 CFM (Dust), 380 CFM (Pollen) | 249 CFM (Smoke), 261 CFM (Dust), 230 CFM (Pollen) |
| Room sizePerformance | Large living rooms, open floor plans, master suites | Large bedrooms, apartments, living rooms, and open layouts up to 930 sq ft |
| Coverage areaPerformance | 550 sq ft (4.8 air changes/hr) / 1,320 sq ft (2 air changes/hr) | 930 sq ft (2 air changes/hr) / 465 sq ft (4 air changes/hr) |
| Filter typesFilters | Washable fabric pre-filter + HEPASilent main filter (Particle + Carbon) | EZ-clean Washable Pre-filter + Max2 Green True HEPA and Activated Carbon filter |
| Filter lifeFilters | 6 months | 12 months (Max2 filter) / Washable slide-out pre-filter |
Showing 5 of 11 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
What you gain. What you give up.
Blueair Blue Pure 211+ Auto
Reasons to choose it
- 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
Worth considering
- No mobile app or Wi-Fi schedule controls (one-button operation)
- Reaches 56 dB at highest turbo fan setting
Coway Airmega 250
Reasons to choose it
- 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
Worth considering
- No Wi-Fi app connectivity on the standard 250 model (app available on 250S variant)
- Substantial 20.5 lb weight
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
What three years could cost
Blueair Blue Pure 211+ Auto
3-Year Estimated Total$474
Coway Airmega 250
3-Year Estimated Total$564
Room Placement & Bedroom Noise Check
Physical clearance required for airflow, wall placement, and bedroom noise levels.
Wall Clearance Required
Blueair
Requires 12 in perimeter airflow space
Coway
Bottom & dual-side intake: sits flush against back wall
Nighttime Sleep Mode Noise
Blueair
Standard sleep speed
Coway
22 dB sleep mode with auto-dimming LED light sensor
Unit Footprint & Dimensions
Blueair
Standard room purifier footprint
Coway
Modern slim tower (19.7 × 18.5 × 8.3 in; 20.5 lb)
Everyday ownership notes
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Blueair: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Coway: What to watch for
- Maintenance
Requires periodic filter replacements to maintain airflow and odor capture.
Know what’s behind the comparison
Published specs. Visible sources.
Clinchmark compares manufacturer specifications and other published information. We have not independently lab-tested these products. Editorial assessments and unknown values are identified in the specification details.
Catalog snapshot: September 1, 2026. Prices, availability, and provider terms can change.
Still weighing it up?
Which is cheaper, the Blueair Blue Pure 211+ Auto or the Coway Airmega 250?
Blueair Blue Pure 211+ Auto costs $60 less at list price.
What is the biggest catch with the Blueair Blue Pure 211+ Auto or Coway Airmega 250?
Blueair Blue Pure 211+ Auto has this deal-breaker: no Wi-Fi app. No schedules or remote control from your phone.
Which is better for bedrooms, the Blueair Blue Pure 211+ Auto or the Coway Airmega 250?
Tied on bedrooms. Blueair Blue Pure 211+ Auto is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $60 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.