7-Step Guide for Coway Airmega Filter Replacement in 2023

Are your air purifiers losing their edge? Are you noticing dust, dander, and other irritants accumulating around the house more quickly than you’d expected? If so, then it might be time for a Coway Airmega filter replacement! As one of the leading commercial brands in the indoor air quality world, your Coway Airmega model has been built to last — but over time filters get clogged up and cannot keep doing their job effectively.

In this blog post we’re covering why you should replace your Coway Airmega filters regularly and how to make sure it’s done properly when need be.

What Is The Coway Airmega Filter Replacement and How Does It Work?

Coway Airmega Filter Replacement is an important part of keeping your air purifier running at peak performance. The filters in your Coway Airmega unit are responsible for capturing airborne particles and pollutants before they can enter the air you breathe. Over time, these filters become full of dirt and dust which needs to be removed in order to maintain optimal indoor air quality.

The Coway Airmega filter replacement process is simple but important. Depending on the type of filter you have, there are different steps involved in replacing it. Generally speaking, however, all models involve removing the old filter from its housing, disposing of it safely (depending on local regulations), and replacing it with a new one that meets the specific requirements for your model.

The Important Things You Need To Notice Before Buying A Filter For Your Coway Air Purifier?

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Sizing is one of the most important things to consider before buying a filter for your Coway Airmega air purifier. It is essential that you purchase a replacement filter that matches the exact size and specifications of your current model in order to ensure optimal performance levels.

 How often do you need to replace the filter on your Coway Airmega air purifier and where can you buy one?

The frequency of Coway Airmega filter replacement depends on the type of filter that you have. Generally speaking, we recommend replacing your HEPA filters every 6 to 8 months and charcoal pre-filters every 2 to 4 months. This is to ensure that your air purifier continues to work at peak performance and provide clean air for you and your family.

You can purchase a new filter from any authorized Coway retailer or online store. When purchasing a new filter it is important to make sure it meets the specific requirements for your model as well as any local regulations in regards to disposal of used filters. Be sure to review the product specifications before making a purchase so that you are getting an appropriate replacement part.

Coway Airmega Filter Replacement

Installing a new Coway Airmega  filteris easy and only takes a few steps. Here’s what you need to do:

  1. Unplug Coway Airmega
  2. Remove the old filter by gently pulling it out
  3. Clean The Pre-Filter
  4. Clean the Housing Place Of the Filter
  5. Place the new filter into its housing
  6. Secure the housing to make sure that the new filter is firmly in place
  7. Plug your Coway Airmega back in and turn it on

Unplug Coway Airmega:

Unplug Coway Airmega

When you need to replace the filter on your Coway Airmega unit it is important to unplug it first. This will ensure that there is no potential for the device being damaged while you’re replacing the filter, and also helps prevent electrical shocks. 

 Unplugging your air purifier should be done before attempting any maintenance or cleaning procedures. Once you have unplugged the unit, you can then proceed with removing and replacing the filter.

Clean The Pre-Filter of Coway Airmega Air Purifier:

Cleaning the pre-filter of your Coway Airmega air purifier is an important step to optimize its performance and make sure it continues to run effectively.

The pre-filter is located in front of the main filter and serves to capture larger particles such as dust, lint, pet hair, etc., before they reach the main filter. To clean the pre-filter you will need a vacuum cleaner with a proper brush attachment.

Start by removing the pre-filter from your Coway Airmega unit. Use the vacuum cleaner’s brush attachment to gently remove any debris or dirt that has accumulated on the surface of the filter.

Remove The Old Filter By Gently Pulling It Out:

Remove The Old Filter By Gently Pulling It Out:

Removing the old filter by gently pulling it out is essential to ensure that your air purifier continues to run safely and efficiently. To remove the filter, you will need to locate the filter housing on your Coway Airmega unit.

Once you have located the housing, gently pull the filter out of its slot in order to remove it. Be sure not to use excessive force as this can cause damage or breakage. 

Now you have to removed the old filter from its housing, dispose of it according to local regulations and replace with a new one that meets all requirements for your model.

Clean the Housing Place Of the Filter :

Once the old filter is removed from its housing, it’s time to clean the housing place of your Coway Airmega air purifier. This process involves removing any dust or debris that may have accumulated in the filter housing and ensuring that the area is free from obstruction.

You should use a soft cloth dampened with warm water and mild soap to gently wipe down the interior of the filter housing. Be careful not to use too much pressure as this can damage or break components within your unit. Once you have cleaned all surfaces, dry them thoroughly with a soft cloth before replacing the new filter.

Place the New filter into Its Housing of Coway Airmega:

Once the filter housing has been cleaned, you will need to place the new filter into its housing. Start by taking the new filter and sliding it carefully into the slot in the filter housing.

Make sure that you line up all edges of the filter with the housing and that there are no gaps or air pockets between them. After fixing your new filter, be sure to check for any signs of leakage from around its edges before replacing the cover plate.

Secure the housing to make sure that the new filter is firmly in place:

Secure the housing to make sure that the new filter is firmly in place is an important step when replacing your Coway Airmega air purifier’s filter. After placing the new filter into its housing slot, you should fix the front cover of the machine by gently push in toward the machine then you hear some kind of sound like “tik” when it fix perfectly.

This will ensure that the new filter remains securely in place and doesn’t become loose over time. It also helps prevent dust and debris from entering your air purifier system and potentially clogging up other components.

Make sure to check for leaks before powering on your device after installation of the new filter.  It is also recommended to regularly check for any signs of damage or wear and tear as this can impact your device.

Plug your Coway Airmega back in and turn it on:

Plugging your Coway Airmega back in and turning it on is the final step when replacing your air purifier’s filter. After securing the housing with the new filter, plug your unit back into an electrical outlet and turn it on.

You will know if the installation was successful if you see a green light indicating that your device is ready to use. 

This process helps ensure that your air purifier is operating safely and efficiently so that you can enjoy cleaner air in your home or office. It also helps maximizie its performance and make sure it continues to run effectively.

Replacing Step of   Filter of Coway 300/400/400s:

The process of replacing the coway  300/400/400s air purifier filters is quite simple and straightforward.

  1. First, unplug your air purifier from its power source before proceeding. Then Remove the front cover by pulling off from the top.
  2. Next, locate the filter panel on the back of your coway air purifier and press the two tabs that hold it in place. This will allow you to remove the pre-filter from its housing. To do this, simply pull on the tab located at either side of the pre-filter.
  3. Now take out the Max2 filter by pulling on the tab located at either side of it. Insert a new Max2 filter into its correct location before pushing down firmly until you hear a “click” noise that indicates it is properly secured into place.
  4. Finally, insert the pre-filters back into their respective slots and replace the cover onto your unit. Make sure both left and right covers are securely fastened so the air purifier can turn on.
  5. To reset your Max2 filter status indicator, press and hold down the button located on it for three seconds until a “beep” sound is heard, then release. This will let you know that your Max2 filter has been replaced and is now ready to clean the air.

By following these instructions, you can easily replace your coway fi air purifier filters with minimal effort. Always remember to unplug all electronic devices before removal or installation of any parts to ensure your safety.

Replacing Step of   Filter of Coway AP-1512HH(W):


  1. Make sure to unplug the air purifier from any power source before replacing the filter. This will ensure that you do not suffer any electrical shock and damage both the device and your health.
  2. Use the provided key, unlock and open the front panel of the Coway AP-1512HH(W). The filter is located inside this panel, so it needs to be removed in order to replace it.
  3. Carefully remove the Pre-Filter from its housing; use a vacuum cleaner if needed, to remove all dust particles from it.
  4. Remove the old filter from inside the air purifier by carefully removing it from its brackets on either side of the unit.
  5. Clean the place where the filter was before and make sure all dust particles are removed.
  6. Carefully slide in the new filter into its brackets on either side of the air purifier, ensuring all sides are secure with no gaps present.
  7. Close the front panel of the air purifier and lock it using the provided key.
  8. Plug in the air purifier back into a power source and press the power button for 3 seconds to start up again.
  9. Let it run for at least 15-20 minutes before you can use it again normally as this will ensure that any remaining dust particles have been cleared from your home’s air quality.

Replacing Step of   Filter of Coway 250 Smart Air Purifier:

  1. Make sure to turn off the power of device and unplug it before you start replacing the filter.
  2. Gently remove the front cover of the Coway 250 Smart Air Purifier by pressing inwards on the two clasps to release it from its housing.
  3. Slide out and clean the pre-filter with a vacuum cleaner if necessary. Take care not to damage any parts while sliding it out as this can reduce its efficiency and cause leaks in air flow.
  4. Carefully remove the old filter, taking extra precaution not to break or damage any parts during removal process.
  5. Clean the filter housing with a damp cloth using warm water and lightly dry with a soft cloth afterwards for optimal results.
  6. Insert the new filter into its housing, making sure it easily sits in place and no air gaps are present as this can cause leakage in air flow.
  7. Finally, plug the cover of the purifier back on with a slight bit of force to ensure it is securely fastened. Make sure all parts are properly attached before switching the power of device back on and enjoying fresh purified air free from harmful particles!
  8. Before using the device, press and hold the start button for 3 seconds until you hear a beep sound to reseat the filter. This will ensure that your Coway 250 Smart Air Purifier is functioning optimally and providing you with clean air efficiently.

How often to replace coway filter?

Replacing the air filter on a Coway Airmega air purifier depends on how often it is used and what kind of filter you are using. Carbon filters need to be replaced about once every six months, and True HEPA filters about once a year, depending on how much air they have processed. The Coway Airmega will provide indicators when it is time to change the filters. These indicators will light up when a filter needs to be replaced or cleaned.

Can you wash coway HEPA filter?

No, you cannot wash Coway HEPA filters. HEPA stands for High-Efficiency Particulate Air, and these filters are designed to trap fine particles in the air, such as pollen, dust mites and pet dander. Washing a HEPA filter can damage the fibers that make it effective, so it is recommended to replace them.

Write The Price of Coway Airmega Hepa filter?

The price of a Coway Airmega HEPA filter ranges from $45 to $50. The exact cost will depend on the model that you own and where you purchase it from. It is important to follow the recommended replacement schedule for your air purifier, as filters that are not replaced regularly can cause a buildup of dust and contaminants in your air, which can negatively affect air quality.

What happens if I don’t replace my air purifier filter?

If you do not replace your air purifier filter, the air quality in your home can become contaminated with dust, pollen, smoke and other airborne particles, which could lead to health problems such as respiratory issues or allergies. A clogged filter can reduce the efficiency of your air purifier and cause it to work harder than necessary, leading to increased energy bills and reduced air purification.

Do HEPA filters expire if not used?

No, HEPA filters do not expire if they are not used. However, after a certain amount of time, the filter can become less efficient in trapping particles. It is recommended to replace the filter every 1-2 years or as recommended by the manufacturer for optimal performance and air quality.


Properly maintaining your Coway Airmega air purifier by replacing the filter regularly is essential to ensure clean and healthy air in your home. HEPA filters should be replaced at least once a year, or as recommended by the manufacturer for optimal performance. The cost of replacement HEPA filters ranges from $45-$50 depending on the model. Neglecting to replace filters can reduce the performance of your air purifier and lead to health issues caused by poor air quality. Therefore, following the recommended replacement schedule is key for optimal air purification in your home.