
Blueair Protect 7470i
Air purifiers
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Find the differences that matter for your next decision.

Air purifiers

Air purifiers
Start with all rankable specifications, or focus on a particular use.
Your starting point
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.
Coverage area: 1,035 sq ft vs 361 sq ft
Coway Airmega AP-1512HH Mighty is $420 cheaper. Pay the difference only if cadr matters to you.
The trade-off to know
Check first: the Blueair Protect 7470i weighs over 25 lb (11 kg). Tick them under deal-breakers if that rules it out.
Look at the differences ↓Side by side
Start with the key specs, then explore as much as you need.
| What you’re comparing | Blueair Protect 7470i | Coway Airmega AP-1512HH Mighty |
|---|---|---|
| CADRPerformance | 270 CFM (Smoke), 275 CFM (Dust), 280 CFM (Pollen) | 233 CFM (Smoke), 246 CFM (Dust), 240 CFM (Pollen) |
| Room sizePerformance | Master bedrooms, living areas up to 418 sq ft (5 ACH) | Bedrooms, home offices, medium living rooms |
| Coverage areaPerformance | 1,035 sq ft (2 air changes/hr) / 418 sq ft (5 air changes/hr) | 361 sq ft (4.8 air changes/hr) / 874 sq ft (2 air changes/hr) |
| Filter typesFilters | SmartFilter with Smart RFID chip (HEPASilent Ultra + Activated Carbon) | 4-Stage: Washable Pre-filter + Deodorization Carbon + True HEPA + Vital Ion |
| Filter lifeFilters | 6–12 months with real-time algorithm filter tracking | 12 months (True HEPA) / 6 months (Carbon) |
Showing 5 of 11 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
Beyond the spec sheet
Explore the ownership details available for this pair.
Blueair Protect 7470i
Coway Airmega AP-1512HH Mighty
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)
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Blueair: What to watch for
Requires periodic filter replacements to maintain airflow and odor capture.
Coway: What to watch for
Ionizer ("Vital Ion") produces negligible ozone and should be disabled.
Know what’s behind the comparison
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.
Coway Airmega AP-1512HH Mighty costs $420 less at list price.
Coway Airmega AP-1512HH Mighty has this deal-breaker: no Wi-Fi app. No schedules or remote control from your phone.
Tied on bedrooms. Coway Airmega AP-1512HH Mighty is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $420 at list price.
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.