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The Airmega 400S in a home with a dog and friends.
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Published: Mar 26, 2025

Supercharge Your Smart Home: 7 Smart Air Purifier Hacks You Need to Try

Your home deserves an intelligent air purifier that works 24/7 to create the cleanest possible environment. Coway's Airmega smart air purifiers actively analyze, adapt to, and transform your indoor air quality in real time. The Airmega 400S, AP-1512HHS, 250S, and 300S represent breathing innovation at its finest, silently optimizing your air while seamlessly integrating with your connected home. These sophisticated devices contain untapped capabilities waiting to be discovered. 

The following seven expert hacks will elevate your smart Airmega experience to truly life-changing levels, maximizing every breath you take. But first, let's break down what makes these air purifiers truly "smart" and how they're revolutionizing indoor air quality management.

 

What Makes Air Purifiers "Smart"?

Smart air purifiers bring intelligence to air purification through several key technologies:

  • Real-time air quality monitoring: The pollution sensors communicate indoor air quality instantly with a color-coded LED ring (Good, Moderate, Unhealthy, Very Unhealthy)
  • Adaptive technology: Smart sensors detect different PM (particulate matter) levels and automatically adjust fan speed accordingly
  • Multiple smart modes: Auto, Eco, and Sleep modes that self-regulate based on air quality and ambient conditions
  • Mobile connectivity: Wi-Fi-enabled models connect to the IoCare app for remote control and monitoring
  • Voice control integration: Compatible with Google Home and Amazon Alexa for hands-free operation

Unlike basic air purifiers that run continuously regardless of air quality, smart purifiers optimize their operation based on your environment's specific needs.

 

How Can You Maximize Energy Efficiency with Smart Modes?

One of the biggest advantages of Coway's smart air purifiers is their ability to save energy while maintaining excellent air quality.

Here's how to leverage different smart modes.

 

Auto Mode

Auto mode ensures optimal functionality by dynamically adjusting fan speeds based on real-time air quality measurements:

  • When air quality is Good, airflow slows down to conserve energy
  • When air quality deteriorates to Unhealthy or Very Unhealthy, airflow increases to rapidly eliminate pollutants
  • Simply activate Auto mode and let the purifier handle the rest

 

Eco Mode

Eco mode takes energy savings to the next level:

  • The purifier stops operation when air quality remains healthy and stable for 30 minutes in Eco Mode
  • If air pollution levels rise, airflow automatically reactivates according to your air quality needs
  • This prevents wasting energy when purification isn't needed, directly reducing your electricity consumption

 

Sleep Mode

For nighttime optimization:

  • Built-in light sensors detect when a room is dark 
  • The unit automatically turns off lights and operates at the quietest settings
  • Some models allow you to manually control brightness for your perfect sleep environment

Pro tip: For maximum energy efficiency, use Auto mode during the day and Sleep mode at night. Let Eco mode activate automatically when appropriate.

 

An Airmega 450S.

 

How Can You Integrate Coway Purifiers into Your Smart Home Ecosystem?

Making your Coway air purifier part of your broader smart home setup enhances convenience and functionality.

 

Mobile App Integration

The IoCare mobile app unlocks additional features:

  • Control your purifier from anywhere, 24/7
  • Monitor both indoor and outdoor air quality in real-time
  • Set schedules to align purifier operation with your lifestyle
  • Receive filter replacement reminders
  • Track historical air quality data

 

Voice Assistant Setup

Connect your Coway Airmega to voice assistants for hands-free control:

  1. Ensure your purifier is Wi-Fi enabled (models with "S" in the name typically support this)
  2. Download and set up the IoCare app
  3. Link the IoCare app with Google Home or Amazon Alexa
  4. Use voice commands like "Alexa, turn on my air purifier" or "Hey Google, set my Airmega to Auto mode"

 

Smart Routines and Automation

Create intelligent routines that incorporate your air purifier:

  • Program your purifier to turn on when you arrive home (using geofencing)

  • Schedule purification to coincide with allergy seasons

  • Set it on Auto and let your Airmega optimize air purification for you

 

 

 

5 Expert Hacks to Maximize Your Smart Air Purifier

Now for some innovative tricks to get even more from your Coway Airmega.

 

1. Strategic Placement for Maximum Effect

Don't just place your purifier against a wall. For optimal performance:

  • Position the unit at least 1 foot away from walls to ensure maximum air intake
  • Place it in the room's airflow path (often doorways or between rooms) to increase circulation
  • For multi-level homes, prioritize placement near staircases to help purify air moving between floors

 

2. Pre-filter Management

Extend your filter life with this simple trick:

  • Vacuum the pre-filter weekly with a soft brush attachment before it becomes visibly dirty
  • For homes with pets, lightly dampen the pre-filter before vacuuming to better capture pet hair
  • Allow the pre-filter to fully dry before reinstalling to prevent mold growth

 

3. Create Custom Voice Commands

Go beyond basic voice control:

  • Set up custom voice routines like "Alexa, it's yoga time" to match your air care to your fitness routine
  • Create a "bedtime" routine that activates Sleep mode on your purifier while also adjusting other smart home devices
  • Program morning routines that include switching your purifier from Sleep to Auto mode

 

4. Seasonal Scheduling Optimization

Use the scheduling feature strategically:

  • Create different schedules for allergy seasons with longer high-speed operation during peak pollen times
  • Program winter schedules with longer operation times when windows stay closed
  • Set vacation modes that run minimal purification while you're away but boost operation before your return

 

The Airmega 400S in a doctor’s office.

 

5. DIY Air Quality Testing

Get a better understanding of your air quality:

  • Use the match test: light a match, blow it out near your purifier, and see how quickly the smoke indicator responds
  • Try the flashlight test: in a dark room, shine a bright flashlight beam across the room to visualize airborne particles
  • Track air quality improvements by taking before/after photos of dust accumulation on dark surfaces

By implementing these smart strategies and hacks, you'll get the most value from your Airmega while enjoying cleaner, healthier air throughout your home or business. With the right optimization techniques, your smart air purifier becomes an essential part of your health-focused, energy-efficient smart home ecosystem that works intelligently around the clock to protect what matters most: the air you breathe.

 

Disclaimers

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, Airmega Tower AP-1216L, Airmega Mighty AP-1512HH, Airmega Mighty AP-1512HHS, 200M, Icon, IconS, 230, 240, 250, 250 Art, 250S, 300, 300S, 350, 400, 400S, 450, 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 HEPAâ„¢ filter applied based on the Japan Food Research Laboratories(JFRL) testing according to JEM 1467 standard.
→ Tested with Coway Airmega Mighty AP-1512HH, Airmega Mighty 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, Airmega Mighty AP-1512HH, Airmega Mighty 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.