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Airmega 250: the next level in purification for 24/7 clean air

The powerful next level in air purification.

With coverage of up to 930 square feet, the Airmega 250 is an advanced air purifier with Green True HEPA™ filtration that wraps any space in clean air, 24 hours a day. Coway’s award-winning engineering and advanced features are packed into a sleek, modern design, culminating in the powerful next level in air purification for your home or business.

930 sq ft of coverage in a compact design

Designed for large spaces where loved ones, guests or coworkers gather, the Airmega 250 quietly keeps the air free of contaminants. In a 930-square-foot room, its powerful purification can renew every square inch of air up to two times per hour.

Powerful 3-Stage Filtration System

The pre-filter and the Max2 filter set combine to help you breathe easier. This Coway air purifier efficiently filters various harmful sources and removes 99.999%* of nano-sized particulate matter down to 0.01 micrometers, which is smaller than most viruses and bacteria.

Real-time air quality monitoring

The advanced air quality sensor is always watching for contaminants. The indicator light lets you know how your air is doing, from good (blue) to very unhealthy (red). In Auto mode, the fan and purification levels are adjusted as needed—providing a new level of clean in real-time.

Easy filter maintenance

The washable pre-filter captures large particles like hair, fur and dust in its micromesh, so the HEPA filter can work more effectively. Coway’s

EZ release design makes it simple for removal and easier to clean than ever. Lights indicate when the other filters need replacement, so no need to keep track yourself.

Green True HEPA™ Filter

Coway Green True HEPA™ technology helps you breathe safer and cleaner air by clearing away unwanted contaminants. Certified in the world of air purification, Green True HEPA™ filters work around the clock to remove particles from the air. 

Smart Mode for better air 24/7

Airmega always adapts to its surroundings, adjusting modes and fan speed as needed with the room’s air quality and conditions.

1. Auto Mode

Automatically adjusts the air speed according to the current air quality around the product, from level 1 to level 3.

2. Sleep Mode

To reduce noise and power consumption, Sleep Mode activates when the room is dark and the air quality is good for 3 minutes.

3. ECO Mode

If the pollution level remains good for more than 10 minutes, the fan stops automatically to conserve energy.

4. Rapid Mode

When the air quality is in need of a boost, Rapid Mode is activated to circulate it, running at maximum power until it’s deemed clean. It’s a much-needed quick burst of fresh air in the form of high-energy circulation.


Purification for the home or office

The Airmega 250 is perfect for any home or business with a large space where people are breathing the air. If you want to create an inviting space with peace of mind that the air is healthy and clean. 24/7 clean air means 24/7 peace of mind.

Shop the Airmega 250 now. 

Learn more about the Airmega 250 here.


*Coway air purifiers have been tested according to the Korea Air Cleaning Association standard on a particle size of below 0.01㎛ and on maximum fan speed in normal room temperature and humidity conditions. According to Airmega 250's test report, 99.999% of 0.01㎛ particles are removed within 12 minutes.  (Tested with Airmega  AP-1216L, AP-1512HH, 150, 300, 250, 400)


1Coway air purifiers have been proven to trap dust, pollen, dander, viruses and bacteria in the air based on KCL (Korea Conformity Laboratories) testing.They have been tested in a 30㎥ size chamber according to the Korea Air Cleaning Association standard (SPS-KACA 002-132:2022 Modified) to measure the 0.01㎛ size of particle removal rate. It was tested on maximum airflow speed in normal room temperature and humidity conditions. The performance may vary in the actual living environment of customers.
→ Tested with Airmega Aim, 100, 150, 160, AP-1216L, AP-1512HH, AP-1512HHS, 200M, Icon, IconS, 230, 240, 250, 250 Art, 250S, 300, 300S, 400, 400S, ProX

299.97% of viruses, bacteria, fungi and pollen were verified to be removed from the air for Coway air purifiers which have Green True HEPA™ filter applied based on the Japan Food Research Laboratories(JFRL) testing according to JEM 1467 standard.
→ Tested with Coway Airmega AP-1512HH, AP-1512HHS, 250, 250 Art, 250S, 300, 300S, 400, 400S
→ All tested by JFRL and received above result within below time.

All tested by JFRL and received above result within below time.

- Virus: Tested with Escherichia coli phage ΦX174 NBRC 103405, 60 minutes
- Bacteria: Tested with Staphylococcus epidermidis NBRC 12993, 60 minutes
- Fungi/Mold: Tested with Penicillium citrinum NBRC 6352, 60 minutes
- Pollen: Tested with Cedar Pollen extract, 60 minutes

3Aerosol test conducted in a Biosafety level 3 laboratory with two Coway air purifier models, Coway Airmega 250 and 400 for removal of SARS-CoV-2 Aerosol by US based MRI Global, a not-for-profit laboratory and partner of US Department of Defense. The test was conducted in a 13.1ft3 chamber. Virus was aerosolized for 15 minutes and the product was turned on high for 2 minutes. Result showed each product effectively removed over 99.98% of the SARS-CoV-2 in 2 minutes. This is a result from a laboratory experiment condition and result may vary in different conditions. This result does not imply it kills SARS-CoV-2 or prevents the transmission of Covid-19. Coway Airmega 250S and 400S are identical to the tested models and has equal performance with an additional mobile connectivity function.

4The concentration of ammonia, acetaldehyde and acetic acid were proven to be removed within 30 minutes by FCG Research Institute, Inc. Human Life Science Lab. It is not a demonstration result in the actual use space. Not all odors and gases may be supported. → Tested with Coway Airmega 150, 160, AP-1512HH, AP-1512HHS, 400, 400S

5The coverage area of the air purifier is based on an area where the air cleaner can make two air changes per hour (ACPH). An air change per hour translates to how many times an air purifier can clean an area, assuming the height of a ceiling to be 8 ft, in one hour. Therefore ** means two air changes per hour means that the cleaner can clean the area once every 30 minutes and * means air changes per hour means that the air purifier can clean the area once every 60 minutes.

10Terms and conditions apply. Discounts, including promotions, coupons, bundle discount and subscription discount, cannot be stacked on top of other coupons. During promotional periods, discount codes will not be able to be applied to orders. Promo codes may apply to products only—filters, accessories, and new products within 3 months of the release date are not included.