Honeywell
Honeywell HPA300 HEPA Air Purifier
Air purifiers
$249List price
Explore this product Your shortlist, side by side
Honeywell HPA300 HEPA Air Purifier 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 3 of 5 rankable overall specs; Honeywell HPA300 HEPA Air Purifier takes 2.
- Coverage area: 930 sq ft vs 465 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 3 months
Honeywell HPA300 HEPA Air Purifier is $150 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 | Honeywell HPA300 HEPA Air Purifier | Coway Airmega 250 |
|---|---|---|
| CADRPerformance | 300 CFM (Smoke), 320 CFM (Dust), 300 CFM (Pollen) | 249 CFM (Smoke), 261 CFM (Dust), 230 CFM (Pollen) |
| Room sizePerformance | Extra large rooms, master suites, open spaces up to 465 sq ft (4.8 ACH) | Large bedrooms, apartments, living rooms, and open layouts up to 930 sq ft |
| Coverage areaPerformance | 465 sq ft (4.8 air changes/hr) / 2,250 sq ft (1 air change/hr) | 930 sq ft (2 air changes/hr) / 465 sq ft (4 air changes/hr) |
| Filter typesFilters | Type A Activated Carbon Pre-filter + 3× Type R True HEPA filters | EZ-clean Washable Pre-filter + Max2 Green True HEPA and Activated Carbon filter |
| Filter lifeFilters | 3 months (Pre-filter) / 12 months (True HEPA filters) | 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.
Honeywell HPA300 HEPA Air Purifier
Reasons to choose it
- Powerful high-volume CADR (300+ CFM) for large rooms up to 465 sq ft
- Certified True HEPA captures 99.97% of airborne particles
- Durable workhorse build with touch-button controls
Worth considering
- High power consumption (up to 130W on Turbo)
- No Wi-Fi app or smart automated air quality sensors
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
Honeywell HPA300 HEPA Air Purifier
3-Year Estimated Total$444
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
Honeywell
Front grille intake: can back up close to baseboards
Coway
Bottom & dual-side intake: sits flush against back wall
Nighttime Sleep Mode Noise
Honeywell
30 dB lowest fan speed (noticeable background white noise)
Coway
22 dB sleep mode with auto-dimming LED light sensor
Unit Footprint & Dimensions
Honeywell
Large commercial-grade shell (20.8 × 22.3 × 10.8 in; 17.0 lb)
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.
Honeywell: 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 Honeywell HPA300 HEPA Air Purifier or the Coway Airmega 250?
Honeywell HPA300 HEPA Air Purifier costs $150 less at list price.
What is the biggest catch with the Honeywell HPA300 HEPA Air Purifier or Coway Airmega 250?
Honeywell HPA300 HEPA Air Purifier has this deal-breaker: over 55 dB on high. Louder than normal conversation at full speed.
Which is better for bedrooms, the Honeywell HPA300 HEPA Air Purifier or the Coway Airmega 250?
Tied on bedrooms. Honeywell HPA300 HEPA Air Purifier is cheaper. The 2 rankable bedrooms specs split 1 to 1. Saves $150 at list price.
What cannot be compared from spec sheets?
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.