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expiredEfficientHorn264 posted Jul 21, 2021 09:39 PM
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expiredEfficientHorn264 posted Jul 21, 2021 09:39 PM

Coway Airmega 200M Air Purifier w/ True HEPA & Smart Mode (White or Black)

+ Free Shipping

$129

$229

43% off
Walmart
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Deal Details
Walmart has Coway Airmega 200M Air Purifier w/ True HEPA & Smart Mode (White or Black) on sale for $129. Shipping is free.

Thanks to community member EfficientHorn264 for finding this deal.

Colors Available:Product Info:
  • The Coway Airmega 200M room air purifier is designed to accommodate room sizes up to 361 square feet, and features a 4-stage filtration system (Pre-filter, Deodorization filter, True HEPA filter, Vital Ion). Filter replacement indicator checks both Pre-filter and HEPA filter and notifies users when to wash or replace them.

Editor's Notes

Written by SlickDealio
  • About the deal:
    • The Coway Airmega 200M Air Purifier w/ True HEPA & Smart Mode is $100 less (43.66% savings) than the $229 list price.
  • About the store:
    • Walmart return policy details can be found here.

Original Post

Written by EfficientHorn264
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Walmart has Coway Airmega 200M Air Purifier w/ True HEPA & Smart Mode (White or Black) on sale for $129. Shipping is free.

Thanks to community member EfficientHorn264 for finding this deal.

Colors Available:Product Info:
  • The Coway Airmega 200M room air purifier is designed to accommodate room sizes up to 361 square feet, and features a 4-stage filtration system (Pre-filter, Deodorization filter, True HEPA filter, Vital Ion). Filter replacement indicator checks both Pre-filter and HEPA filter and notifies users when to wash or replace them.

Editor's Notes

Written by SlickDealio
  • About the deal:
    • The Coway Airmega 200M Air Purifier w/ True HEPA & Smart Mode is $100 less (43.66% savings) than the $229 list price.
  • About the store:
    • Walmart return policy details can be found here.

Original Post

Written by EfficientHorn264

Community Voting

Deal Score
+126
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Price Intelligence

Model: Coway Airmega 200M True HEPA and Activated-Carbon Air Purifier, AP-1518R - White

Deal History 

Sale Price
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Current Prices

Sort: Lowest to Highest | Last Updated 9/15/2025, 12:26 PM
Sold By Sale Price
Walmart$229.49
Amazon$229.49

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Top Comments

scholar26
21 Posts
23 Reputation
The Coway is currently rated the top air purifier on WireCutter [nytimes.com], but in their review they rank the Winix at nearly the same performance.

If you get the Costco Winix on sale for $99 with the additional filters, that's definitely a better deal, but with wildfire season upon us it may be wise to purchase the Coway now.
KetoTonic
467 Posts
18 Reputation
How does this compare to the Costco Winix at $129?
amypond
246 Posts
259 Reputation
These were $119 in December when I purchased for a gift but I haven't seen it that low since. Snagged one for myself at this price, with free next day delivery too! Thanks OP!

92 Comments

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Jul 22, 2021 07:06 PM
279 Posts
Joined Feb 2012
supershammyJul 22, 2021 07:06 PM
279 Posts
Box fan filter builds are effective for what they are, but are not comparable as a household appliance. They are tools for specific scenarios. Box fans are loud and power-hungry. This Coway is effectively silent at lowest setting, barely noticeable at medium, and as loud as a box fan on high. The Coway also has a particulate sensor for automatically determining which power cycle is appropriate given the air conditions. Most of the time, the appropriate cycle is Low, because it has been maintaining the air quality at all times. So most of the time, as a Coway or comparable air purifier owner, you are not thinking about your air purifier. It's just...not the same.

If you just want an air purifier for a short timeframe, or for emergency use, then sure, build a box fan purifier setup, but if you want an appliance, you should get an appliance, if you can afford to.
Jul 22, 2021 07:17 PM
135 Posts
Joined Dec 2017
taitai3Jul 22, 2021 07:17 PM
135 Posts
Quote from cantcurecancer :
FYI - Coway has an upgraded version of this purifier, it has WiFi and an upgraded carbon air filter. The new carbon air filter is much better, it has thousands of bits of activated carbon in a honeycomb type container, works way better than the flimsy carbon pad this one comes with.

BUT you can buy that new carbon filter separately and fit it into this air purifier with no modification, it has the same dimensions. It's a little tight, but it works. I even kept the flimsy carbon filter in there as a sort of carbon pre-filter.

So really the only thing you're missing on this model is WiFi, which is really just a gimmick in my opinion.
I had been waiting for the Winix 5500-2 to go on sale because I prefer the honeycomb-style filter with actual carbon pellets. I hesitantly bought this last night, so it's good to know that they can be fitted with the honeycomb-style filter too.

Besides the fit being a little tighter, do you have other issues after upgrading the carbon filter? Also, would you mind sharing a link to where you can buy the upgraded carbon filter that fits this model. Thanks!
Jul 22, 2021 08:30 PM
242 Posts
Joined Apr 2013
cantcurecancerJul 22, 2021 08:30 PM
242 Posts
Quote from taitai3 :
I had been waiting for the Winix 5500-2 to go on sale because I prefer the honeycomb-style filter with actual carbon pellets. I hesitantly bought this last night, so it's good to know that they can be fitted with the honeycomb-style filter too.

Besides the fit being a little tighter, do you have other issues after upgrading the carbon filter? Also, would you mind sharing a link to where you can buy the upgraded carbon filter that fits this model. Thanks!
No problem, I use the OEM kit with the honeycomb filter and the replacement HEPA for the 1512hhs: https://cowaymega.com/products/co...filter-set Then I find the thinner carbon filter from Amazon, they are like dime a dozen, sometimes I have to cut them down to size because they're slightly too big. I'm sure you can look around for just the honeycomb carbon filter if you don't want the extra HEPA filter.

No other issues at all, been using it like this for about a year. The airflow is pretty much the same, I don't think that extra carbon filter adds much resistance. It's just awkward installing it. I guess on the newer models there's some plastic slots to keep it in the housing while you reinstall the pre-filter. But once you sandwich it in there, make sure you get a good click when you install the prefilter, it's good to go.
Jul 22, 2021 10:03 PM
2,381 Posts
Joined Sep 2010
xanthophyllJul 22, 2021 10:03 PM
2,381 Posts
Quote from supershammy :
Box fan filter builds are effective for what they are, but are not comparable as a household appliance. They are tools for specific scenarios. Box fans are loud and power-hungry. This Coway is effectively silent at lowest setting, barely noticeable at medium, and as loud as a box fan on high. The Coway also has a particulate sensor for automatically determining which power cycle is appropriate given the air conditions. Most of the time, the appropriate cycle is Low, because it has been maintaining the air quality at all times. So most of the time, as a Coway or comparable air purifier owner, you are not thinking about your air purifier. It's just...not the same.

If you just want an air purifier for a short timeframe, or for emergency use, then sure, build a box fan purifier setup, but if you want an appliance, you should get an appliance, if you can afford to.
I don't have the numbers handy, but I did check the math as to how much it costs to get a high MERV filter plus a box fan - and bearing in mind the MERV filter has to be replaced more often than HEPA. I don't think the diy setup is as effective nor cost effective.
Jul 23, 2021 11:56 AM
188 Posts
Joined Nov 2020
BraveSpaniel9510Jul 23, 2021 11:56 AM
188 Posts
Coway air purifiers are awesome. You can definitely tell a difference with them and their sensors actually work really well.
Jul 23, 2021 01:28 PM
18 Posts
Joined Nov 2010
eternally1027Jul 23, 2021 01:28 PM
18 Posts
In for 3. I am declaring war on allergies and this is my primary weapon. Thanks for this.
Jul 23, 2021 03:45 PM
188 Posts
Joined Nov 2020
BraveSpaniel9510Jul 23, 2021 03:45 PM
188 Posts
Quote from FearAndLoathing :
It doesn't have auto mode?
I have one as well and you can just press the auto button. It automatically adjusts. The sensors are phenomenal as it adjusts really well. Super quiet too. The second highest setting is still quite enough to watch a movie in the living room and hear everything well. You can barely hear it, we either use that setting or auto.

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Jul 23, 2021 03:47 PM
68 Posts
Joined Sep 2015
max.bernJul 23, 2021 03:47 PM
68 Posts
I have one of these, they are great. The real challenge is for bigger rooms - using a product like BlueAir and finding non OEM filters that arent $70 a pop.
Jul 23, 2021 04:18 PM
714 Posts
Joined Jul 2009
FindingDoryJul 23, 2021 04:18 PM
714 Posts
Not sure if it has been stated in this thread already, some states have rebates for energy star air purifiers. For NJ it's $50 flat.
Jul 24, 2021 12:47 AM
763 Posts
Joined Apr 2007
Steve325Jul 24, 2021 12:47 AM
763 Posts
I received mine today and it is great. Very quiet on the medium setting and looks good, perfect for my master bedroom
Jul 24, 2021 05:58 AM
428 Posts
Joined Jul 2019
lester78Jul 24, 2021 05:58 AM
428 Posts
I just received mine today. It's my first air purifier. Do you guys turn on the ionizer? I'm seeing mixed reviews online whether to use the ionizer or not.
Jul 24, 2021 05:57 PM
173 Posts
Joined Nov 2007
IrbisJul 24, 2021 05:57 PM
173 Posts
Quote from FindingDory :
Not sure if it has been stated in this thread already, some states have rebates for energy star air purifiers. For NJ it's $50 flat.
Additionally, if you're in DC or some MD areas, PEPCO offers rebates up to $40 for purchasing and installing ENERGY STAR Air Purifier:

https://pepcoappliancerurlhasbeenblocked.com...er-94.html
Jul 25, 2021 02:15 PM
1,358 Posts
Joined Oct 2008
chickdrJul 25, 2021 02:15 PM
1,358 Posts
Quote from J03 :
I'm not that guy but I bought this aftermarket filter and it fit well with no bad odor at all: https://www.vevafilters.com/produ...5627211459 When I go to the site it gives me a promo code for 15% off which is why I buy it there instead of Amazon but it is on Amazon too if you need it in 2 days.
Thanks for the info. The promo is 10% for me but the filters for this unit are out of stock....
Jul 25, 2021 03:08 PM
11,031 Posts
Joined Aug 2010
J03Jul 25, 2021 03:08 PM
11,031 Posts
Quote from chickdr :
Thanks for the info. The promo is 10% for me but the filters for this unit are out of stock....
The two pack link I posted still shows in stock for me. There is a 'single' filter listing for this unit too and that one seems always out of stock.

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Jul 25, 2021 05:19 PM
2,381 Posts
Joined Sep 2010
xanthophyllJul 25, 2021 05:19 PM
2,381 Posts
Quote from lester78 :
I just received mine today. It's my first air purifier. Do you guys turn on the ionizer? I'm seeing mixed reviews online whether to use the ionizer or not.
I think the debate is if/how much ozone it produces. You do NOT want to generate ozone in your living space.

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