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A person using the best air purifier for their space.

The Best Air Purifier for Every Type of Space

When it comes to clean and fresh air, Coway Airmega air purifiers are among the best in the market. Whether you need an air purifier for your office, bedroom, living space, shop, or any other common space, Coway has a wide range of models to suit every need. In this article, we will explore different types of spaces and recommend the perfect Coway Airmega air purifier to create a healthier environment. Let's dive in!

While there are a ton of excellent Airmega options to compare, we’ve highlighted five standouts for your varying needs. Look at the features of each below!

Airmega 400: Ideal for Larger Spaces

If you have a larger space, such as a spacious living room or a big office, the Coway Airmega 400 is the perfect choice. With its powerful air cleaning capabilities, this model can effectively purify the air in rooms up to 1,560 square feet in just 30 minutes. Its dual filtration system captures and reduces up to 99.97% of particles, including allergens, pollen, and volatile organic compounds (VOCs). The Airmega 400 ensures that you and your colleagues or family can breathe cleaner air throughout the day.

Airmega Aim: Perfect for Smaller Spaces

For compact spaces like dorm rooms, small bedrooms, or personal offices, the Airmega Aim is an excellent option. This portable air purifier combines sleek design with powerful filtration technology. Despite its small size, the Airmega Aim can effectively purify the air in rooms up to 492 square feet in one hour. It removes odors, allergens, and other pollutants, ensuring that you have fresh and clean air in your intimate spaces.

Airmega ProX: SuitsCommercial Spaces

Designed for large offices or commercial spaces, the ProX offers high-performance air purification and can handle areas up to 2,126 square feet in 30 minutes.

Airmega 300S: Remote Control

This smart air purifier is suitable for medium-sized rooms and can be controlled remotely via a mobile app. The Airmega 300S is perfect for bedrooms, living spaces, or home offices as it can cover 1,256 square feet in 30 minutes.

Airmega 200M: Medium-sized Rooms

With a coverage area of up to 361 square feet in less than 15 minutes, the Airmega 200M is ideal for medium-sized rooms. Its compact design and powerful filtration make it suitable for bedrooms, small offices, or studio apartments.

Why Matching the Size of Air Purifier to the Room is Beneficial

Choosing the right-sized air purifier for your specific space is crucial to ensure optimal performance and maximum air purification benefits. Here are some key reasons why matching the size of the air purifier to the room is beneficial:

Efficient Air Cleaning

Air purifiers are designed to clean the air in a specific coverage area. When you choose an air purifier that matches the size of your room, you can be confident that it will efficiently and effectively clean the air within that space. A properly sized air purifier ensures that all the air in the room is properly circulated and filtered, eliminating airborne pollutants and improving indoor air quality.

Enhanced Filtration

Different air purifiers come with varying filtration capacities. Larger air purifiers often have more robust filtration systems, including multiple filters and higher airflow rates. By selecting an air purifier that is appropriately sized for your room, you can take advantage of these advanced filtration technologies. This allows the air purifier to capture a wider range of pollutants, such as dust, pet dander, pollen, mold spores, and volatile organic compounds (VOCs), providing cleaner and healthier air for you and your loved ones.

Reduced Energy Consumption

Using an air purifier that matches the size of your room can help optimize energy consumption. An undersized air purifier may struggle to effectively clean the air in a larger space, leading to increased runtime and energy usage. On the other hand, an oversized air purifier in a smaller room may consume more energy than necessary. By selecting the right-sized air purifier, you can ensure efficient operation and minimize energy consumption, contributing to cost savings and environmental sustainability.

Noise Level Considerations

Air purifiers vary in terms of noise levels produced during operation. Larger air purifiers with higher airflow capacities may generate more noise compared to smaller models. When choosing an air purifier for a specific room, consider the noise level that is acceptable for that space. A properly sized air purifier will strike a balance between effective air cleaning and maintaining a comfortable noise level in your living or working environment.

Aesthetics and Space Optimization

A well-sized air purifier can fit seamlessly into your room's layout and décor. Choosing a model that matches the room's size ensures that the air purifier doesn't dominate the space or appear too small and inconspicuous. Aesthetically pleasing air purifiers can enhance the overall ambiance of the room while still delivering the necessary air purification benefits.

Selecting the right-sized air purifier for your specific room is vital to enjoy the full benefits of cleaner and healthier air. By considering factors such as room size, filtration efficiency, energy consumption, noise levels, and aesthetics, you can find the perfect Coway Airmega air purifier to suit your space. With the right-sized air purifier, you can breathe easier, promote well-being, and create a healthier environment in your chosen space.

Best Air Purifiers On the Market

When it comes to choosing the best Coway Airmega air purifier for your space, it's essential to consider the size of the area and your specific air quality needs. Whether you require a purifier for a large office, a small bedroom, or any other common space, Coway has a model that fits perfectly. Remember to check out our full product page for more information on each model and to find the best match for your space. With Coway Airmega air purifiers, you can breathe easier and enjoy a cleaner, healthier environment no matter where you are.


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.