Coway Airmega 300 Vs 400: Make A Wise Decision

Coway Airmega 300 Vs 400

Coway Airmega is often where people turn to when they need quality air purifiers, and Coway Airmega 300 Vs 400 are amongst the best-selling models of the brand. That is why many have no idea which one to choose,

I will be discussing the differences between Coway 300 and 400 purification systems in depth shortly. 

Follow up.

The winner
The runner-up
Image
Coway Airmega 300 True HEPA Air Purifier with Smart Technology, Covers 1,256 sq.ft, White
Coway Airmega 400 True HEPA Air Purifier with Smart Technology, Covers 1,560 sq. ft, White
Model name
Coway Airmega 300
Coway Airmega 400
Best For
Compact design
Large coverage area
Weight
21.4 pounds
24.7 pounds
Room Coverage
1,256 sq ft
1,256 sq ft
Color
White, graphite and silver
White and graphite
Carbon Filtration
Yes
Yes
Delivery rate of clean air
335 CFM
Not listedNot listed
Noise
22-52 dBA
22-52 dBA
Wattages
56
64
Timer
Yes
Yes
Remote control
No
No
User rating
Price
$359.89
$349.00
The winner
Image
Coway Airmega 300 True HEPA Air Purifier with Smart Technology, Covers 1,256 sq.ft, White
Model name
Coway Airmega 300
Best For
Compact design
Weight
21.4 pounds
Room Coverage
1,256 sq ft
Color
White, graphite and silver
Carbon Filtration
Yes
Delivery rate of clean air
335 CFM
Noise
22-52 dBA
Wattages
56
Timer
Yes
Remote control
No
User rating
Price
$359.89
More info
The runner-up
Image
Coway Airmega 400 True HEPA Air Purifier with Smart Technology, Covers 1,560 sq. ft, White
Model name
Coway Airmega 400
Best For
Large coverage area
Weight
24.7 pounds
Room Coverage
1,256 sq ft
Color
White and graphite
Carbon Filtration
Yes
Delivery rate of clean air
Not listedNot listed
Noise
22-52 dBA
Wattages
64
Timer
Yes
Remote control
No
User rating
Price
$349.00
More info

Differences Between Coway Airmega 300 Vs 400

Design and Convenience

With the pure white housing along with four dark green tapered legs, the Airmega 300 and 400 has the same clean, mid-century modern vibe to it. They look like a side table rather than a bulky air purification system, which can spice up your whole house.

I love that the manufacturer provides two recessed handles for a firm grip when carrying the purifiers around the house.

The 300 model has an edge when it comes to dimensions. It measures about 13.6 (D) x 13.6 (W) x 20.1 (H) inches and 21.4 pounds, quite lightweight and compact. Meanwhile, its competitor is slightly heavier at 24.7 pounds. It is also a bit larger, measuring 2.7 inches more in height and 1.2 inches more in depth and width.

For something compact and not bulky, the Coway Airmega 300 is the better choice.

Capacity

Coway Airmega 300 and 400 provide the same coverage area of 1,256 sq ft, which is enough for most rooms in the house. If you live in a large house, you can consider bigger options such as 300S and 400S air purifiers.

Check your room size to figure out the more suitable option. If you do not know the exact measurements, you can opt for the S versions for peace of mind.

Features and Accessories

Both air purifiers come with four filters. There is a washable pre-filter that captures big particles on both side panels. Moving further inside, you can see a Max2 filter, also known as a true HEPA filter. It works to trap 99.97 percent of particles, even those as small as 0.3 microns.

You can totally rest assured about the performance of Coway Airmega air purifiers, including these two Coway Airmega 300 Vs 400.

The double-ring indicator comes in really handy as it allows you to quickly check the air quality inside your home. There are four colors that represent four levels; blue means good, purple means moderately polluted, pink means unhealthy, and red means very unhealthy.

Another shared feature is the three-speed fan that collects dirty air and releases clean air to provide a healthy living space for your family. You can choose to adjust the fan settings yourself or let the machine do it in the smart mode. Also, eco mode helps the fan work efficiently without wasting much energy.

Talking about the mode, there is a useful sleep mode to provide you soundful sleep. When the room is dark for about three minutes and the air quality is good, the machine will switch to sleep mode by turning off the light and lowering the fan speed for low noise.

The Coway Airmega 400 Vs 300 does not offer smart connectivity, but fortunately, the concave buttons are clearly labelled and neatly organized, making operation a breeze. You can still enjoy automation with the 8-hour timer and the fan speed.

Quick Rundown of Coway Airmega 300

Coway Airmega 300 Vs 400

Coway Airmega 300 True HEPA Air Purifier with Smart Technology, Covers 1,256 sq.ft, White
6,069 Reviews
Coway Airmega 300 True HEPA Air Purifier with Smart Technology, Covers 1,256 sq.ft, White
  • [Coverage] Designed to clean spaces up to 1,256 sq. ft. in 30 minutes.
  • [HyperCaptive Filtration System] Combination of a pre-filter, deodorization filter, and True HEPA Filter reduces 99.999% of 0.01-micron particles, including pollen and other allergens. It also reduces 99% of volatile organic compounds and odor.
  • [Smart Mode] With its Smart Mode feature, the Airmega automatically adapts to its surroundings by adjusting fan speeds based on the room's air quality. That means your unit in energy efficient without compromising effectiveness.
  • [Eco Mdoe] When the air quality in the room remains purified for 30 minutes or more in Eco Mode, the fan will turn off to conserve energy, kicking on again when pollution is detected.
  • [Sleep Mode] When the Airmega's built-in pollution sensor detects that the air is clean for 3 minutes, Sleep Mode reduces the purifier's noise and power consumption.

Pros

  • Lightweight and compact
  • Strong purification filters
  • Convenient sleep mode

Cons

  • No smart controls

>> Read Customer Reviews: Here <<

Quick Rundown of Coway Airmega 400

Coway Airmega 300 Vs 400

Sale
Coway Airmega 400 True HEPA Air Purifier with Smart Technology, Covers 1,560 sq. ft, White
6,062 Reviews
Coway Airmega 400 True HEPA Air Purifier with Smart Technology, Covers 1,560 sq. ft, White
  • [Coverage] Designed to clean spaces up to 1,560 sq. ft. in 30 minutes.Noise Level : 22-52 dB(A).
  • [HyperCaptive Filtration System] Dynamic combination of a washable pre-filter, activated carbon filter, and Green True HEPA Filter effectively reduces 99.999% of 0.01-micron particles in the air, including pollen, pollutants, and other allergens; It also reduces 99% of volatile organic compounds and odor
  • [Smart Mode] With its Smart Mode feature, the Airmega automatically adapts to its surroundings by adjusting fan speeds based on the room's air quality; That means your unit is energy efficient without compromising effectiveness
  • [Eco Mdoe] When the air quality in the room remains purified for 30 minutes or more in Eco Mode, the fan will turn off to conserve energy, kicking on again when pollution is detected
  • [Sleep Mode] When the Airmega's built-in light and pollution sensors detect that the room has been dark and the air is clean for 3 minutes, Sleep Mode reduces the purifier's noise and power consumption

Pros

  • Mid-century modern design
  • Three-speed fan
  • Intuitive air quality indicators

Cons

  • No smart controls

>> Read Customer Reviews: Here <<

The Bottom Line

There is hardly any difference between Coway Airmega 300 Vs 400, except for the dimensions. If you want a strong yet compact air purifier, I highly recommend the 300 version. 

I hope that you can make a wise purchase decision after reading my detailed comparison. If you find anything confusing in the article, leave it in the comment section so I can help you out.

Thank you for reading.

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