Coway Airmega 250 vs Coway Airmega Mighty
Coway’s bestseller vs its bigger, flatter sibling.
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How this page was made: our picks are based on manufacturer specifications (product pages, manuals and spec sheets, all linked below) and aggregated owner reviews. We have not tested these products hands-on, and we do not publish invented test results, scores or star ratings. Read our methodology.
The Coway Airmega 250 and Airmega Mighty AP-1512HH are two of Coway’s most popular home purifiers. This page is based on manufacturer-published specifications and manuals plus aggregated owner reviews; we did not test the products ourselves.
Short answer
Choose the 250 for more output (261 vs 246 CFM dust), a smart auto mode and lower rated power. Choose the Mighty for a smaller, lighter unit with an ionizer you can switch off.
Check Coway Airmega 250 price (opens in a new tab)Check Coway Airmega AP-1512HH (Mighty) price (opens in a new tab)
Coway Airmega 250 vs Coway Airmega AP-1512HH (Mighty): specs side by side
| Spec | Coway Airmega 250 | Coway Airmega Mighty |
|---|---|---|
| CADR (dust) | 261 CFM | 246 CFM |
| Rated room size | 465 ft² at 4 ACH | 361 ft² at 4.8 ACH |
| Filtration | Washable pre-filter + Max2 (carbon + True HEPA) | Pre-filter, deodorization, True HEPA, ionizer |
| Noise range | 22–54 dB(A) | 24–53 dB(A) |
| Rated power | 64W | 77W |
| Weight | 20.5 lb | See Coway |
Pros and cons
Coway Airmega 250: pros
- More output
- Lower rated power
- Smart mode
Coway Airmega 250: cons
- Heavier
- No Wi-Fi on base model
Coway Airmega AP-1512HH (Mighty): pros
- Smaller
- Ionizer can be switched off
- Timer
Coway Airmega AP-1512HH (Mighty): cons
- No Wi-Fi
- Less output
Who should buy which
Room size decides it.
Choose the Coway Airmega 250 if…
- You have an open-plan room
- You want auto mode
Choose the Coway Airmega AP-1512HH (Mighty) if…
- You have a bedroom or office
- You want a smaller unit
How we compared
We compared manufacturer-published specifications. See how we research.
Frequently asked questions
Are the room ratings comparable?
Not directly: Coway quotes the 250 at 4 ACH and the Mighty at 4.8 ACH.
Did you test it?
No. This page uses manufacturer specifications and aggregated owner reviews. See how we research.
Sources
Specifications were checked against the manufacturer pages, manuals and spec sheets below in October 2026. Makers revise specs and sell regional variants, so confirm the exact model number before you buy. We do not list prices because they change daily; use the retailer link to see the current price.
Keep reading
Coway Airmega 250 review
A larger Coway for open-plan rooms, with a washable pre-filter.
Read the comparison ReviewAir PurifiersCoway Airmega Mighty (AP-1512HH) review
A button-driven, no-app purifier with separate smoke, dust and pollen CADR figures and an ionizer you can switch off.
Read the comparison Head to headAir PurifiersCoway vs Winix: Airmega Mighty AP-1512HH vs Winix 5500-2
Two no-app purifiers rated for almost exactly the same room. The differences are filters, shape and power draw.
Read the comparison