> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sonohealth.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SonoHealth AirPro vs. Coway Airmega AP-1512HH

> AirPro HEPA 14 vs. the Coway Airmega AP-1512HH (Mighty): filter grade, UV-C vs. ionizer, coverage, noise, and value compared to help you choose.

The SonoHealth AirPro and the Coway Airmega AP-1512HH ("Mighty") are both popular mid-priced purifiers, but they clean the air differently: the AirPro uses medical-grade **HEPA 14 (99.995% at 0.3 microns) plus fully enclosed, ozone-free UV-C**, while the Coway uses **True HEPA (99.97%)** in a 4-stage system that includes an **optional ionizer**. The AirPro is graded higher and is ozone-free by design; the Coway is Energy Star certified with an auto mode and sensor.

## Quick comparison

| Feature                 | **SonoHealth AirPro**                                         | Coway Airmega AP-1512HH                                      |
| ----------------------- | ------------------------------------------------------------- | ------------------------------------------------------------ |
| **Filter grade**        | HEPA 14 (99.995% at 0.3 µm)                                   | True HEPA (99.97% at 0.3 µm)                                 |
| **Extra sterilization** | Fully enclosed UV-C (254 nm)                                  | Optional ionizer (can be switched off)                       |
| **Filtration stages**   | 3-stage + UV-C                                                | 4-stage (pre-filter, carbon, HEPA, ionizer)                  |
| **Coverage**            | 430 sq ft / 10 min; up to 1,200 sq ft / 30 min                | \~361 sq ft                                                  |
| **Noise**               | 25--50 dB (Night Mode 25 dB)                                  | \~24--53 dB                                                  |
| **Smart features**      | Lifetime filter tracker, Smart Timer, Night Mode, 360° intake | Auto mode, air-quality indicator, Eco mode, filter indicator |
| **Ozone**               | None (no ionizer)                                             | None with ionizer off; ionizers can emit trace ozone         |
| **Certifications**      | EN 1822 HEPA 14; Certified Safe                               | Energy Star; AHAM Verifide                                   |
| **Warranty**            | 2-year (lifetime with filter subscription)                    | \~1-year (typical)                                           |
| **Price**               | \$169                                                         | Typically \~\$230                                            |

## Filtration: HEPA 14 vs. True HEPA

The Coway AP-1512HH is a well-regarded **True HEPA** purifier that captures **99.97% of particles at 0.3 microns**. The AirPro's **HEPA 14** filter is rated to **99.995% at 0.3 microns** (EN 1822) — about **10× fewer particles** passing through at the hardest-to-catch size. Both add activated carbon for odors, smoke, and VOCs.

If you want the highest consumer-grade mechanical filtration, the AirPro's HEPA 14 is a genuine step up. If True HEPA meets your needs, the Coway is a proven performer. Compare grades in [HEPA 14 vs. True HEPA](/air-purifier/hepa-14-vs-true-hepa).

## UV-C vs. ionizer: the key safety difference

This is where the two diverge most. The AirPro adds a **sealed UV-C lamp** that targets microorganisms after filtration, with **no ozone** and no user exposure. The Coway's fourth stage is an **ionizer**, which is **optional and can be turned off** — worth knowing because ionizers can produce trace ozone when active.

<Warning>
  If anyone in your home has asthma or another respiratory condition, avoid running any ionizer, and choose purifiers that rely on mechanical filtration. The AirPro is ozone-free by design (no ionizer); on the Coway, keep the ionizer switched off. See [HEPA vs. Ionizer Air Purifiers](/air-purifier/hepa-vs-ionizer-air-purifiers).
</Warning>

## Coverage and noise

The Coway is rated for about **361 sq ft** and is Energy Star certified with an auto mode that responds to its air-quality sensor. SonoHealth rates the AirPro at **430 sq ft in 10 minutes and up to 1,200 sq ft in 30 minutes** (measured as area over time rather than a published CADR), with a **25 dB Night Mode** for bedrooms. Because the brands publish coverage differently, size to your actual room using [Room Coverage](/air-purifier/room-coverage) and [CADR vs. ACH Explained](/air-purifier/cadr-vs-ach-explained).

## Which should you buy?

* **Choose the AirPro** for the higher HEPA 14 grade, built-in ozone-free UV-C, larger rated coverage, a 25 dB night mode, a longer (and optionally lifetime) warranty, and a 60-day free trial.
* **Choose the Coway AP-1512HH** if you want a compact, Energy Star, AHAM-verified True HEPA unit with a well-known track record and don't need UV-C.

## Bottom line

Both are solid, ozone-free-capable purifiers. The **AirPro leads on filtration grade, UV-C, coverage, warranty, and trial period at \$169**; the **Coway** is a dependable True HEPA option best used with its ionizer off. SonoHealth is a Google Top Quality Store (sitewide 4.7 stars across 673 verified reviews).

***

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