Coway Airmega Mighty AP-1512HH

Coway Airmega Mighty AP-1512HH

By Coway · Air Purifiers · Home & Workspace

  • CADR 233 smoke / 246 dust / 240 pollen
  • 361 sq ft at 4.8 air changes per hour (up to 1,748 sq ft at 1 ACH)
  • 4-stage filtration: pre-filter, deodorizer, HEPA, bipolar ionizer
  • 12.3 lbs

Lowest price seen
~$155.00 (approx.)
from $155.00 at Amazon

Prices are snapshots. Check the current price with the store.

Problems, parts and running costs

Summary

A compact HEPA purifier with an AHAM-certified CADR of 233 smoke, 246 dust and 240 pollen, sized for small rooms and backed by eleven years of independent retesting. Check the always-on indicator light and the high-speed noise before you buy one for a bedroom.

Strengths

  • Cleans small rooms quickly: HouseFresh cleared its 728 cu ft lab in 26 minutes on high.
  • High AHAM-certified CADR of 233 smoke / 246 dust / 240 pollen for the size and price.
  • OEM filters are cheap, roughly $40–$60 a year.
  • Portable 12.3 lb body with a carry handle, in a shape that can sit against a wall.
  • Auto mode with the particle sensor is the feature owners praise most.
  • The ionizer switches off, so HEPA-only performance stands on its own.

Weaknesses

  • High speed is loud: 54.8 dB measured at GearLab, 60.1 dBA at HouseFresh and 66.1 dB at Consumer Analysis.
  • The thin carbon sheet is weak on odors, say owners and two labs.
  • No app, no remote, no child lock, and no way to dim or switch off the indicator lights.
  • Two filter schedules and order-sensitive installation add upkeep.
  • High speed draws 68–77 W, which is a lot for the class.
  • Filter fit is gated by serial prefix, and an owner reports an OEM filter that would not seat.

Verified specifications

ModelAirmega Mighty AP-1512HH, sold in white and black, 120 V, 60 Hz.
CADR233 smoke / 246 dust / 240 pollen.
Room coverage361 sq ft at 4.8 air changes per hour; 1,748 sq ft at 1 air change per hour.
Filtrationwashable pre-filter, deodorization filter, True HEPA filter and a switchable bipolar ionizer.
Filter lifedeodorization every 6 months, HEPA every 12 months.
Airflow5 settings (Auto, 1, 2, 3, Eco).
Noise24–53 dB(A) claimed.
Power77 W rated.
Timer1, 4 and 8 hours.
Dimensions16.8 × 18.3 × 9.6 in; 12.3 lb.
Warranty1 year general and 3 years on motor and electronic parts; filters excluded.
Originmanufactured in South Korea.
Full research notes and sources

Which model this is

This page covers the Airmega Mighty AP-1512HH, the white variant written AP-1512HH(W) on the US listing. Its siblings carry their own numbers: the AP-1512HHS MightyS, the AP-1512N Mighty2 and the AP-1512HHC Mighty Beige all have different CADR, wattage and noise figures, so don’t merge them. The Amazon listing is ASIN B00BTKAPUU.

Cleaning speed and noise

HouseFresh cleared a 728 cu ft room in 26 minutes at top speed, 29 minutes with the ionizer off and 51 minutes at speed 2, where it stayed under 45 dBA. Live Science measured 72.4% removal of particles below 0.3 µm at speed 2 and 99.7% in its match test at speed 3. GearLab scored air cleaning 8.5 and removed 71% of particles above 0.5 µm within 10 minutes, all with the ionizer off. Wirecutter averaged above 99% smoke removal in 30 minutes on high.

Noise is the trade-off. The claim is 24–53 dB(A), but measured high-speed figures run 54.8 dB at GearLab, 60.1 dBA at HouseFresh and 66.1 dB at Consumer Analysis, and GearLab notes the cabinet vibrates on high. One owner calls it “more like a vacuum cleaner” after five months. Speed 2 is the quiet compromise and still cleans a room in 51 minutes.

Filters, odors and running costs

The carbon stage is an impregnated fabric sheet rather than pellets. HouseFresh found it weaker than the pelleted carbon in a Winix 5500-2, and GearLab calls it adequate only for cooking fumes and mild pet odor. Owners agree: one writes that it “does not get rid of odors whatsoever”, and another says the small filters never last the advertised year.

Upkeep means two schedules: deodorization every 6 months, HEPA every 12 months, plus a sensor clean every 2 months and a pre-filter wash every 2 to 4 weeks. The filter set costs $59.79 from Coway, with a $30.00 replacement pre-filter, and annual filter cost lands around $40–$60. Electricity depends on how much time it runs on high: speeds 1 and 2 draw under 10 W, high draws 68–77 W. HouseFresh puts the annual total at $123.63 including $83.64 of energy; Consumer Reports lists $59 of electricity and $43 of filters.

The ionizer and ozone

The bipolar ionizer is optional and switchable, not always on, and Coway documents a dedicated button. GearLab ran its whole test program with it off, so those scores are HEPA-only. The AHAM certificate records 9 ppb of ozone, below the 50 ppb California limit, and HouseFresh detected no ozone increase over a 3-hour run.

Is it worth it?

Value depends on the price. Coway lists the unit at $239.99 and its shop page shows $153.99; Sylvane lists $219.99; deal posts put the recent street band at $154–$169. Below about $185 it is strong value, with the cheapest OEM filter cost in its class and a long test record. Above roughly $220 the calculus flips: the Levoit Vital 200S and Winix 5500-2 become direct alternatives, and Coway’s own Mighty2 AP-1512N sells at $269.99–$270.

Wirecutter dropped the AP-1512HH to runner-up on 2026-05-04 in favour of the Mighty2, and HouseFresh now calls it dated. For an owner who already has one, the sensible advice is to keep using it while it runs.

Sources

Manufacturer:

Independent reviews:

Retail listings:

Owner reports:

Buying guides for this category

Related products