Coway 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.
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The Coway Airmega Mighty (AP-1512HH) is Coway’s long-running mid-size purifier: a pre-filter, deodorization filter, True HEPA filter and an optional ionizer in a boxy 12.3 lb unit. This page is based on manufacturer-published specifications and manuals plus aggregated owner reviews; we did not test the products ourselves.
Our verdict
If you want a purifier for a living room or large bedroom with no app and no setup, the Mighty is a straightforward choice with a strong CADR for its size. Choose a Wi-Fi model such as the Levoit Core 400S if you want schedules and remote control, and leave the Mighty’s ionizer off if you prefer no ion output.
Coway Airmega AP-1512HH (Mighty) key specs
| Spec | Coway Airmega Mighty AP-1512HH |
|---|---|
| CADR | 233 smoke / 246 dust / 240 pollen CFM |
| Rated room size (4.8 ACH) | 361 ft² |
| Room size at 1 ACH | 1,748 ft² |
| Filtration | Pre-filter, deodorization filter, True HEPA, ionizer (4 stages; ionizer can be switched off) |
| Noise range | 24–53 dB(A) |
| Rated power | 77W |
| Timer | 1, 4 or 8 hours |
| Smart features | No Wi-Fi |
| Filter replacement | HEPA about 1 year; deodorization filter about 6 months |
| Dimensions | 16.8 × 18.3 × 9.6 in |
| Weight | 12.3 lb |
Pros and cons
Pros
- Strong CADR for its size (246 CFM dust)
- Four-stage filtration with a washable pre-filter
- Ionizer can be switched off
- Simple 1/4/8-hour timer
- No account or app needed
Cons
- No Wi-Fi or app control
- Higher rated power than the Levoit Core 400S (77W vs 38W)
- Two filter types to replace on different schedules
- Boxy shape takes more floor space than a tower
Who it suits (and who it doesn't)
Good fit
- Living rooms and large bedrooms up to about 361 ft²
- People who want buttons instead of an app
- Homes with pets or seasonal pollen (separate CADR figures)
Look elsewhere if
- Anyone who wants app control or schedules
- People who want zero ion output and may forget to switch it off
- Very large open-plan spaces
What to know before you buy
- Ionizer: the fourth stage is an ionizer. Coway lets you turn it off; if you want to avoid ion output, check it after each power cycle.
- Filters: Coway lists about 12 months for the HEPA filter and about 6 months for the deodorization filter. Budget for both.
- Warranty: we could not confirm warranty length on Coway’s current page; check before you buy.
Alternatives to consider
- Coway Mighty vs Winix 5500-2: similar room rating with a washable carbon filter.
- Levoit Core 400S vs Coway Mighty: app control and lower power draw.
Frequently asked questions
What size room is the Coway Mighty for?
Coway rates it for 361 ft² at 4.8 air changes per hour.
Does the Coway Mighty have Wi-Fi?
No. The AP-1512HH uses on-unit buttons only.
Can I turn off the ionizer?
Yes. Coway lists the ionizer as switchable.
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.
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