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COWAY AIRMEGA 150 Review | 46 Data compared

Avg. price in UK: ~£180
Avg. price in US: ~$190
Max. CADR: 281 m³/h
Maximum room area: 96 m²
Maximum noise level: 48.3 dB
HEPA filter: yes
Weight: 5.5 kg

COWAY AIRMEGA 150 review. Compare 46 technical specifications and user reviews to see how this product ranks in the Air Purifiers category and whether it is worth buying.

7.4

Very good

6.9

Good

9.3

Exceptional

7.6
Bedroom use
Score components:
35.0%
6.0
Maximum noise level
30.0%
10
Night mode
20.0%
8.1
Maximum room area
15.0%
5.7
Weight
7.8
Allergy relief
Score components:
35.0%
6.2
Max. CADR
30.0%
10
HEPA filter
20.0%
5.5
Number of filtration stages
15.0%
10
Washable prefilter
8.0
Smoke removal
Score components:
35.0%
10
Activated carbon filter
30.0%
6.2
Max. CADR
20.0%
5.5
Number of filtration stages
15.0%
10
Air quality indicator

Best prices in UK

Best rankings

#4 in Best Coway Air Purifiers
#20 in Best Air Purifiers for Bedrooms
#20 in Best Air Purifiers for Allergies
#49 in Best Air Purifiers for Smoke
#49 in Best Air Purifiers with HEPA Filters
#50 in Best Air Purifiers for Mold
#51 in Best Air Purifiers
#51 in Best Air Purifiers for Pets
#61 in Best Air Purifiers for Dust

Verdict

The Coway Airmega 150 is a compact, 35-watt air purifier designed for rooms up to 73 m² (or 214 sq ft for 4.8 air changes per hour), delivering a Clean Air Delivery Rate (CADR) of 281 m³/h (153 CFM for smoke). It features a 3-stage HyperCaptive filtration system consisting of a top-loading, slide-out washable pre-filter, an activated carbon filter, and a GreenHEPA filter that captures 99.999% of microparticles down to 0.01 microns. Main advantages include its award-winning aesthetic available in multiple colors, an automatic fan mode paired with a 4-color real-time air quality indicator, exceptionally quiet operation reaching down to 20 dB in sleep mode, and an effortlessly accessible pre-filter cartridge. However, it lacks smart app/Wi-Fi connectivity, lacks a specific numerical particulate display, and experiences reduced air-cleaning performance compared to bulkier units when operated on lower, quieter fan speeds.

Technical Specifications of air purifier COWAY AIRMEGA 150

Overall score

7.4

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Popularity

What it is: An indicator based on the number of reviews received by products in the Air Purifiers category.

When it matters: When you prefer products in the Air Purifiers category that have been chosen and reviewed by many other buyers.

Performance

6.1

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Power

What it is: The electrical power consumption of the air purifier during operation, measured in watts (W).

When it matters: Helpful for estimating long-term electricity costs, particularly when running the unit continuously day and night.

Importance: HIGH

Max. CADR

What it is: The Clean Air Delivery Rate (CADR), measuring the volume of purified air delivered per hour in cubic metres.

When it matters: Crucial for determining how rapidly the purifier circulates and cleans room air, especially for severe allergies or larger spaces.

Importance: HIGH

Maximum room area

What it is: The maximum recommended floor area (in square metres) that the air purifier can effectively treat.

When it matters: Essential for matching the purifier's airflow capacity to your room size so all air is filtered thoroughly.

Importance: HIGH

N. of speeds

What it is: The number of manual airflow speed levels available to choose on the air purifier.

When it matters: Provides flexible control between whisper-quiet low speeds for sleeping and powerful high speeds for fast room clearing.

Importance: MEDIUM

Maximum noise level

What it is: The sound level emitted by the air purifier when running at its highest fan speed, measured in decibels (dB).

When it matters: Important if you plan to use the purifier in bedrooms, nurseries, or home offices where loud fan noise causes disturbance.

Importance: HIGH

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Features

8.2

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Air quality indicator

What it is: An optical or laser sensor system displaying real-time indoor pollution levels via color rings or numerical values.

When it matters: Provides immediate visual feedback on air cleanliness and confirms that the purifier is working effectively.

Importance: MEDIUM

Continuous purification

What it is: Engineered motor and filter architecture designed for safe, uninterrupted 24/7 operation without thermal degradation.

When it matters: Essential for maintaining permanently low allergen and dust concentrations in polluted urban areas or high-pollen seasons.

Importance: LOW

Auto mode

What it is: An intelligent operating mode that automatically increases or decreases fan speed based on live sensor pollution readings.

When it matters: Maximizes convenience and saves electricity by running quietly on low speed and ramping up only when pollution is detected.

Importance: MEDIUM

Timer

What it is: A programmable shut-off countdown timer that turns off the air purifier automatically after a set number of hours.

When it matters: Convenient for running the unit for a specific duration before leaving home or going to bed without wasting electricity.

Importance: LOW

Maximum timer

What it is: The longest selectable countdown duration available on the air purifier's timer, expressed in hours.

When it matters: Relevant if you prefer setting extended automated operating cycles, such as a full 8-hour workday or 12-hour overnight window.

Importance: LOW

N/A

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Design

5.7

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Color

What it is: The primary exterior color and aesthetic finish of the air purifier housing.

When it matters: Important for ensuring the appliance blends harmoniously into your room decor and furniture style.

Importance: LOW

white

Material

What it is: The primary manufacturing material used for the outer casing, such as ABS plastic, polycarbonate, or aluminum.

When it matters: Influences structural rigidity, scratch resistance, premium appearance, and ease of wiping clean.

Importance: LOW

metal

Display

What it is: An integrated digital screen showing active fan speed, particulate pollution numbers, filter health, and active timers.

When it matters: Enables quick visual checks of air metrics and purifier settings directly on the device without picking up your phone.

Importance: LOW

Display position

What it is: The physical placement of the display screen on the body of the air purifier (e.g., top panel or front facade).

When it matters: Affects viewing convenience: top displays are easiest to read while standing, while front displays are visible from across the room.

Importance: LOW

N/A

Control type

What it is: The user interface mechanism for operating the device, such as capacitive touch keys, push buttons, or rotary dials.

When it matters: Determines tactile responsiveness, ease of operation in dark rooms, and durability over years of regular use.

Importance: LOW

buttons

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COWAY AIRMEGA 150 vs the average air purifier

Why is COWAY AIRMEGA 150 better than the average air purifier?

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47 m² larger room area
COWAY AIRMEGA 150 covers a larger room area than the average air purifier (96 m² vs 49 m²).
What it is: The maximum recommended floor area (in square metres) that the air purifier can effectively treat.
When it matters: Essential for matching the purifier's airflow capacity to your room size so all air is filtered thoroughly.
Importance: HIGH
COWAY AIRMEGA 150 covers a larger room area than the average air purifier (96 m² vs 49 m²).96 m² vs 49 m²
Has ECARF certification
COWAY AIRMEGA 150 has ECARF certification; the average air purifier does not.
What it is: An independent certification from the European Centre for Allergy Research Foundation verifying proven allergy-friendly performance.
When it matters: Provides clinical reassurance for allergy and asthma sufferers that the unit significantly reduces airborne pollen and allergen loads.
Importance: LOW
COWAY AIRMEGA 150 has ECARF certification; the average air purifier does not.
4.7 dB lower maximum noise level
COWAY AIRMEGA 150 runs quieter at maximum speed than the average air purifier (48.3 dB vs 53 dB).
What it is: The sound level emitted by the air purifier when running at its highest fan speed, measured in decibels (dB).
When it matters: Important if you plan to use the purifier in bedrooms, nurseries, or home offices where loud fan noise causes disturbance.
Importance: HIGH
COWAY AIRMEGA 150 runs quieter at maximum speed than the average air purifier (48.3 dB vs 53 dB).48.3 dB vs 53 dB
1 more fan speeds
COWAY AIRMEGA 150 provides more fan speed settings than the average air purifier (4 vs 3).
What it is: The number of manual airflow speed levels available to choose on the air purifier.
When it matters: Provides flexible control between whisper-quiet low speeds for sleeping and powerful high speeds for fast room clearing.
Importance: MEDIUM
COWAY AIRMEGA 150 provides more fan speed settings than the average air purifier (4 vs 3).4 vs 3
0.02 % percentage points higher bacteria elimination
COWAY AIRMEGA 150 achieves higher certified bacteria elimination than the average air purifier (100% vs 99.97%).
What it is: The certified laboratory efficiency percentage demonstrating the purifier's ability to eliminate airborne bacteria and microbes.
When it matters: Reassuring for hygiene-focused households, medical offices, or homes with infants where airborne pathogen reduction is a priority.
Importance: MEDIUM
COWAY AIRMEGA 150 achieves higher certified bacteria elimination than the average air purifier (100% vs 99.97%).99.99 % vs 99.97 %
5.5 cm shallower depth
COWAY AIRMEGA 150 is shallower than the average air purifier (16.5 cm vs 22 cm).
What it is: The front-to-back depth measurement of the air purifier, in centimetres (cm).
When it matters: Determines how far the purifier protrudes outward into walkways or away from walls.
Importance: LOW
COWAY AIRMEGA 150 is shallower than the average air purifier (16.5 cm vs 22 cm).16.5 cm vs 22 cm
17.1% higher CADR
COWAY AIRMEGA 150 provides a higher clean air delivery rate than the average air purifier (281 m³/h vs 240 m³/h).
What it is: The Clean Air Delivery Rate (CADR), measuring the volume of purified air delivered per hour in cubic metres.
When it matters: Crucial for determining how rapidly the purifier circulates and cleans room air, especially for severe allergies or larger spaces.
Importance: HIGH
COWAY AIRMEGA 150 provides a higher clean air delivery rate than the average air purifier (281 m³/h vs 240 m³/h).281 m³/h vs 240 m³/h
Has a handle
COWAY AIRMEGA 150 has a handle; the average air purifier does not.
What it is: An integrated carry handle or recessed hand grip built into the chassis for lifting.
When it matters: Makes transporting the air purifier between bedrooms, living areas, or up and down stairs safer and effortless.
Importance: LOW
COWAY AIRMEGA 150 has a handle; the average air purifier does not.
47 m² larger room area
COWAY AIRMEGA 150 covers a larger room area than the average air purifier (96 m² vs 49 m²).
4.7 dB lower maximum noise level
COWAY AIRMEGA 150 runs quieter at maximum speed than the average air purifier (48.3 dB vs 53 dB).
1 more fan speeds
COWAY AIRMEGA 150 provides more fan speed settings than the average air purifier (4 vs 3).
17.1% higher CADR
COWAY AIRMEGA 150 provides a higher clean air delivery rate than the average air purifier (281 m³/h vs 240 m³/h).
Has ECARF certification
COWAY AIRMEGA 150 has ECARF certification; the average air purifier does not.
0.02 % percentage points higher bacteria elimination
COWAY AIRMEGA 150 achieves higher certified bacteria elimination than the average air purifier (100% vs 99.97%).
5.5 cm shallower depth
COWAY AIRMEGA 150 is shallower than the average air purifier (16.5 cm vs 22 cm).
Has a handle
COWAY AIRMEGA 150 has a handle; the average air purifier does not.
3 cm shorter height
COWAY AIRMEGA 150 has a lower height than the average air purifier (47 cm vs 50 cm).

Why is COWAY AIRMEGA 150 worse than the average air purifier?

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Lower Manufacturer warranty
COWAY AIRMEGA 150 offers lower Manufacturer warranty than the average air purifier (1 years vs $$$).
4.1 W lower power
COWAY AIRMEGA 150 has a lower power output than the average air purifier (33.4 W vs 37.5 W).
No timer
COWAY AIRMEGA 150 does not have a timer; the average air purifier does.
No display
COWAY AIRMEGA 150 does not have a display; the average air purifier does.
0.8 m shorter power cord
COWAY AIRMEGA 150 features a shorter power cord than the average air purifier (1 m vs 1.8 m).
6.7 cm wider width
COWAY AIRMEGA 150 is wider than the average air purifier (34 cm vs 27.3 cm).
20.4% higher weight
COWAY AIRMEGA 150 is heavier than the average air purifier (5.5 kg vs 4.57 kg).
4890.03 cm³ larger external volume
COWAY AIRMEGA 150 has a larger overall volume than the average air purifier (26367 cm³ vs 31257.025 cm³).
Lower Manufacturer warranty
COWAY AIRMEGA 150 offers lower Manufacturer warranty than the average air purifier (1 years vs $$$).
What it is: This attribute shows the air purifier's manufacturer warranty.
When it matters: It matters if longer manufacturer coverage is important to you.
Importance: MEDIUM
COWAY AIRMEGA 150 offers lower Manufacturer warranty than the average air purifier (1 years vs $$$).1 years vs 2 years
No timer
COWAY AIRMEGA 150 does not have a timer; the average air purifier does.
What it is: A programmable shut-off countdown timer that turns off the air purifier automatically after a set number of hours.
When it matters: Convenient for running the unit for a specific duration before leaving home or going to bed without wasting electricity.
Importance: LOW
COWAY AIRMEGA 150 does not have a timer; the average air purifier does.
No display
COWAY AIRMEGA 150 does not have a display; the average air purifier does.
What it is: An integrated digital screen showing active fan speed, particulate pollution numbers, filter health, and active timers.
When it matters: Enables quick visual checks of air metrics and purifier settings directly on the device without picking up your phone.
Importance: LOW
COWAY AIRMEGA 150 does not have a display; the average air purifier does.
0.8 m shorter power cord
COWAY AIRMEGA 150 features a shorter power cord than the average air purifier (1 m vs 1.8 m).
What it is: The total physical reach of the supplied electrical power cord, measured in metres (m).
When it matters: Determines optimal placement flexibility relative to wall power outlets without needing extension cables.
Importance: LOW
COWAY AIRMEGA 150 features a shorter power cord than the average air purifier (1 m vs 1.8 m).1 m vs 1.8 m
6.7 cm wider width
COWAY AIRMEGA 150 is wider than the average air purifier (34 cm vs 27.3 cm).
What it is: The horizontal width across the front of the air purifier, measured in centimetres (cm).
When it matters: Essential for confirming the unit fits neatly between furniture, in tight corners, or on compact bedside tables.
Importance: LOW
COWAY AIRMEGA 150 is wider than the average air purifier (34 cm vs 27.3 cm).34 cm vs 27.3 cm
20.4% higher weight
COWAY AIRMEGA 150 is heavier than the average air purifier (5.5 kg vs 4.57 kg).
What it is: The total physical net weight of the air purifier without packaging, measured in kilograms (kg).
When it matters: Important if you frequently carry the purifier between rooms, to different floors, or place it on furniture.
Importance: MEDIUM
COWAY AIRMEGA 150 is heavier than the average air purifier (5.5 kg vs 4.57 kg).5.5 kg vs 4.57 kg
4.1 W lower power
COWAY AIRMEGA 150 has a lower power output than the average air purifier (33.4 W vs 37.5 W).
What it is: The electrical power consumption of the air purifier during operation, measured in watts (W).
When it matters: Helpful for estimating long-term electricity costs, particularly when running the unit continuously day and night.
Importance: HIGH
COWAY AIRMEGA 150 has a lower power output than the average air purifier (33.4 W vs 37.5 W).33.4 W vs 37.5 W
28.6% more expensive
COWAY AIRMEGA 150 is more expensive than the average air purifier (£180 vs £140).
COWAY AIRMEGA 150 is more expensive than the average air purifier (£180 vs £140).£180 vs £140

Graphic comparison of COWAY AIRMEGA 150 and other products in the Air Purifiers category

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Third-party reviews

United Kingdom

United States

(Reviews last updated: August 2026)

What customers like about COWAY AIRMEGA 150?

Sleek and compact retro-modern design with multiple color options
Extremely easy to remove, slide-out washable pre-filter
Very quiet operation on silent and low fan speeds
Energy efficient with highly affordable long-term running costs
Effective three-stage filtration that noticeably improves air quality for allergy sufferers
Responsive, real-time color-coded Air Quality Indicator (AQI)

What customers dislike about COWAY AIRMEGA 150?

Lacks Wi-Fi connectivity, app control, or smart home integration
Gets significantly loud when running at the highest fan speed setting
Auto mode can sometimes feel unresponsive or drop fan speeds too early during high pollution spikes
Genuine replacement filters can be relatively expensive
The overall outer plastic casing can feel somewhat thin and budget-built

Expert reviews

cleanandnative.com.au

19/05/2026

Summary of the review

Coway Airmega 150 Review: Tested in an Australian Home

The Clean and Native review highlights the Coway Airmega 150 as a highly efficient, compact, and ozone-free three-stage air purifier that excels in Australian bedrooms up to 40 square meters. Key pros include its medical-grade GreenHEPA filter, ultra-quiet 24 dBA sleep mode, and an easily washable slide-out pre-filter. However, notable cons include a lack of smart features, Wi-Fi or app connectivity, a built-in timer, and child lock safety features.

housefresh.com

17/12/2025

Summary of the review

Coway Airmega 150 review - HouseFresh

The HouseFresh review characterizes the Coway Airmega 150 as a sleek, quiet, and user-friendly air purifier ideal for small spaces, though it offers only average cleaning performance. While praised for its simple three-button interface,, effective AQI sensor, and easy-to-clean pre-filter, the unit suffers from mediocre air-cleaning speeds and utilizes less effective carbon-impregnated fabric sheets rather than true pelletized carbon.

techhive.com

17/11/2020

Summary of the review

Coway Airmega 150 review: a compact air cleaner

The Coway Airmega 150 is a compact, user-friendly air purifier optimized for small spaces, featuring a space-saving, minimalist design with a highly intuitive, top-loading, washable pre-filter for easy maintenance. While it offers excellent air quality monitoring, automatic fan adjustment, and quiet operation, the unit lacks Wi-Fi connectivity and smart home integration, and it becomes noisy at maximum fan speed.

everythingbetter.in

22/09/2023

Summary of the review

Coway Airmega 150 Air Purifier Review - Everything Better

The Everything Better review highlights the Coway Airmega 150 as a highly accessible air purifier, featuring a specialized three-layer filtration system and a unique top-loading design for easy pre-filter maintenance. It operates quietly at 22 dB on low and has a maximum power draw of 35 to 38 watts. A notable disadvantage identified in the review is that the activated carbon layer is not in a rigid frame but is a thin, loose mesh that must be attached directly to the True HEPA filter.

Gearbrain

11/05/2021

Summary of the review

Coway Airmega 250 vs Airmega 150: Which is best for you?

The GearBrain review compares the Coway Airmega 250 and 150, noting that while both provide automated air quality monitoring and easy-to-clean filters, they differ significantly in capacity and price. The premium Airmega 250 is lauded for its high capacity, effective Max2 filter for cooking odors, and large AQI light, though it is expensive and requires manual front-panel access. In contrast, the budget-friendly, compact Airmega 150 suits small spaces and features aesthetic color options, yet it offers limited coverage, has a smaller indicator light, and lacks a child lock.

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