Coway AP-1512HH

By Coway · Air Purifiers · Home & Workspace

  • Coverage 1,800 ft² per hour at 1 air change
  • CADR 240 smoke, 242 dust, 249 pollen
  • Noise 19-50 dB
  • Power 56 W
  • Timer up to 12 h

Lowest price seen
~$269.99 (approx.)
from $269.99 at Amazon

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

Summary

A compact four-stage HEPA air purifier for bedrooms and living rooms up to 361 sq ft, with a 3-year warranty and a no-app design. Check your noise tolerance before you buy: the top fan speed measures 60.1 dB, and at 77 W the unit is power-hungry next to newer competitors.

Strengths

  • Strong particle removal: AHAM-certified CADR of 246 cfm dust, 240 cfm pollen and 233 cfm smoke for rooms up to 361 sq ft.
  • Simple to use: no app, no WiFi, no remote — three manual speeds plus Auto and Eco.
  • Reliable long term: owners report units still running after 4–5 years, and Wirecutter ran its 2017 test unit 24/7 for four years.
  • Eco mode turns the fan off after 30 minutes of clean air, cutting energy use.
  • Three-year warranty from date of purchase, longer than the 1–2 year industry standard.
  • Auto mode responds quickly to pollution events like cooking and pets.

Weaknesses

  • Loud at top speed: HouseFresh measured 60.1 dB at speed 3, a big jump from 44.4 dB at speed 2.
  • Power-hungry: 75–77 W at top speed, high next to newer PC-fan-powered purifiers.
  • No smart features, app or remote, so no scheduling or remote monitoring.
  • The carbon filter uses impregnated fabric rather than pelleted carbon, so odor removal is limited and it saturates quickly.
  • The ionizer emits 9 ppb ozone — under the CARB limit, but a concern for sensitive individuals.
  • The air quality sensor needs cleaning every ~2 months or it gives false readings.

Verified specifications

ModelAP-1512HH, also sold as AP-1512HH(W) in white.
Region/electricalUS 120 V, 60 Hz.
Power consumption77 W rated; HouseFresh measured 75.3 W at speed 3.
CADR (AHAM-verified)smoke 233 cfm, dust 246 cfm, pollen 240 cfm.
Coverage361 sq ft at 4.8 air changes per hour; 1,748 sq ft at 1 ACH.
Filtrationfour stages — washable pre-filter, deodorization carbon filter, True HEPA filter, defeatable bipolar ionizer.
Filter lifedeodorization filter 6 months, HEPA filter 1 year.
Fan speedsthree manual speeds plus Auto and Eco modes.
Timer1, 4 and 8 hours.
Noisemanufacturer claims 24–53.8 dB(A); HouseFresh measured 38.9, 44.4 and 60.1 dB at speeds 1, 2 and 3.
Ionizeroptional and defeatable; 9 ppb ozone in AHAM testing, under the 50 ppb CARB limit.
Air quality indicatorblue for clean, purple for medium, red for polluted.
Eco modefan off after 30 minutes of clean air.
Auto modeadjusts fan speed from particle sensor readings.
Energy Star certified.
Warranty3 years from date of purchase.
Country of manufactureSouth Korea.
Dimensions16.8 × 18.3 × 9.6 in (W × H × D).
Weight12.3 lbs (manufacturer); 15 lbs with filters (Tom’s Guide).
Power cord6 ft (Live Science); 5 ft 6 in (TechGearLab).
In the boxunit, pre-filter, deodorization filter, True HEPA filter, user manual with warranty card.
Full research notes and sources

Filtration and what it catches

The AP-1512HH pulls air through four stages: a washable pre-filter, a deodorization carbon filter, a True HEPA filter, and a bipolar ionizer. AHAM-certified CADR ratings are 233 cfm smoke, 246 cfm dust and 240 cfm pollen, sized for rooms up to 361 sq ft at 4.8 air changes per hour. HouseFresh cleared a 728 cu ft test room in 26 minutes at top speed with the ionizer on, and 29 minutes without it. Live Science measured 99.7% removal of 0.3-micron particles at maximum speed in 30 minutes, and Consumer Reports ranked it 4 of 55 tested room air purifiers.

One thing to know: the ionizer defaults to ON when the unit is powered on, and the CADR ratings are achieved with it active, so performance without it is lower. The carbon filter is impregnated fabric rather than pelleted carbon, which HouseFresh found less effective for odors than pelleted designs. In r/AirPurifiers threads, owners report odor removal is limited and the carbon filter saturates quickly — within days for smoke, weeks for other odors.

Noise and energy

HouseFresh measured 38.9, 44.4 and 60.1 dB at speeds 1, 2 and 3, and called the jump to top speed significant. TechGearLab measured 32.5, 37.8 and 54.8 dB and scored noise 5.6/10. The unit beeps on power on/off and when the front latch engages, which some owners find annoying at night.

Energy use is the bigger issue. HouseFresh measured 3.7 W at low speed against 75.3 W at top, which is high next to newer PC-fan-powered purifiers. Consumer Reports measured 0.082 kWh over 24 hours and estimates $59 a year for electricity.

Filters and running costs

The deodorization filter lasts 6 months and the HEPA filter 1 year. A replacement set (1 HEPA + 2 deodorization) costs $57–65 from Coway, and third-party generics cost $15–20, though HouseFresh notes they may impact performance. Home Depot reviewers have watched the filter set rise from $38 to $55. Annual operating cost lands at $82–124 depending on usage and filter choice: HouseFresh estimates $123.63 a year for electricity plus OEM filters (Dec 2025), TechGearLab $82.58 (May 2026), and AirQualityNest puts filter cost alone at about $76 a year.

Maintenance is simple: wash the pre-filter regularly, clean the air quality sensor every ~2 months with a cotton swab, and reset the filter indicator after replacing filters. Without sensor cleaning, owners in r/AirPurifiers report purple and red readings with no apparent pollution source.

Is it worth it?

The value case depends on price. MSRP is $229–230, and reviewers reported street prices of $140–200 on sale in 2026. At under $150 the AP-1512HH is a strong value: proven performance, affordable replacement filters and a 3-year warranty. At full MSRP, newer alternatives such as the Levoit Vital 200S and Winix 5500-2 offer better energy efficiency, lower noise and smart features at similar prices.

Check seller listings against the manual before you buy. The product brief’s “Timer up to 12 h” is wrong — the manual and all sources confirm 1, 4 and 8 hours — and its “Power 56 W” and “Noise 19–50 dB” figures match no measured source.

Which model this is

This page covers the Coway Airmega Mighty AP-1512HH, also sold as AP-1512HH(W) in white, manufactured in South Korea. Do not merge it with the newer AP-1512HHS (MightyS, WiFi-enabled) or AP-1512N (Mighty2), which are successors with different feature sets.

The US Amazon variant is ASIN B0GS7FF1D6.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Buying guides for this category

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