Name: COWAY Air Purifiers for Home Large Room Up to 3,120ft², 2 Sets of Washable Pre-Filters and True HEPA Filters for Smoke, Allergies, Pet Dander, Odor...
Brand: Coway
SKU: B0722YZ1R1
Price: 649 USD
Availability: InStock
Rating: 4.4 (6465 reviews)

Our Verdict

Coway 400(G) Wins

COWAY Air Purifiers for Home Large Room Up to 3,120ft², 2 Sets of Washable Pre-Filters and True HEPA Filters for Smoke, Allergies, Pet Dander, Odor, AQI, Auto & Sleep Mode, Timer, 5yr Warranty, 400(G) 400 GRAPHITE - High-End Air Purifiers

It offers a CADR Smoke of 416 and covers 650 sq ft, significantly outperforming Dyson's unspecified purification metrics. Choose Dyson for its dual cooling function.

$649Buy on Amazon

Bottom Line: Coway 400(G) is the better choice. It offers a CADR Smoke of 416 and covers 650 sq ft, significantly outperforming Dyson's unspecified purification metrics.

Key Differences

The most significant spec differences at a glance

416

Cadr Smoke

100% more

650

Coverage Sq Ft

100% more

Energy Star

100% more

Advantages

Where each product wins

Coway

Cadr Smoke: 100% higher (416.0 vs 0)
Coverage Sq Ft: 100% higher (650.0 vs 0)
Energy Star: 100% higher (True vs False)

Who Should Buy Which?

Find the right product for your needs

Buy Coway if...

COWAY Air Purifiers for

If you need robust, quantifiable air purification for a large room and prioritize energy efficiency, the Coway 400(G) is your ideal choice. With a CADR of 416 (smoke) and coverage up to 650 sq ft (4 ACH), it's perfect for tackling allergens, pet dander, and smoke in spacious living areas. Buyers who value a 5-year warranty, Smart/Eco modes for efficiency, and clear performance metrics over integrated fan functionality will find the Coway a reliable investment for consistently clean air.

Buy Dyson if...

Dyson Purifier Cool TP07

The Dyson Purifier Cool TP07 is best for individuals seeking a premium, dual-function device that purifies air and provides cooling. If you prioritize real-time air quality data via an an LCD display and smartphone app, and appreciate a sleek design that projects purified air throughout the room, Dyson is a great fit. It suits those less concerned with specific CADR or room coverage numbers, focusing instead on integrated cooling, HEPA H13 filtration, and smart features for a convenient, modern home environment.

Spec Comparison

8 specs compared

Specification	Coway Air Purifiers for	Dyson Purifier Cool TP07
Price	$649	$559
Rating	4.4(6.5k)	4.3(938)
Cadr Smoke	416	0
Coverage Sq Ft	650	0
Noise Level db Min	22 dB	—
Weight	3.05 lbs	—
Energy Star	Yes	No
Filter Type	True HEPA	HEPA H13
Smart Sensor	Yes	—
Filter Life Months	—	0

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Pros & Cons

Quick overview of strengths and weaknesses

Coway Air Purifiers

Pros

Removes 99.999% of 0.01-micron particles.
Covers 780 sq ft with 4 air changes per hour.
Smart Mode adjusts fan speed based on air quality.
Eco Mode shuts off fan when air is clean.

Cons

Stated 3,120 sq ft coverage misleading for 4 ACH.
True HEPA filters require periodic replacement.
No remote control listed in features.

Dyson Purifier Cool

Pros

Automated pollutant sensing and capture
HEPA H13 full machine sealed filtration
Projects purified air throughout the room
Real-time air quality data via LCD and app

Cons

No CADR smoke rating provided
No room coverage specified
Filter life duration not listed
Not Energy Star certified

Frequently Asked Questions

Common questions about this comparison

Which purifier is better for large rooms and effective air cleaning?

The Coway 400(G) is superior for large rooms, with a CADR Smoke of 416 and 650 sq ft coverage. The Dyson TP07 does not provide these essential purification metrics, making its performance for effective air cleaning unknown.

What's the main difference in air purification capability?

The Coway 400(G) specifies a strong CADR Smoke of 416 and covers 650 sq ft with True HEPA. The Dyson TP07 uses HEPA H13 filtration but provides no CADR or room coverage details, making direct comparison of purification power difficult.

Is the Dyson TP07's dual function (purifier and fan) worth it?

The Dyson TP07's dual function provides both air purification and cooling, which is a unique advantage. However, without specified CADR or coverage metrics, its primary purification effectiveness cannot be compared to the Coway 400(G)'s proven performance.

Which product is more energy efficient?

The Coway 400(G) is Energy Star certified, indicating better energy efficiency. The Dyson TP07 is not Energy Star certified, suggesting it may consume more power for its operation, especially when using the cooling function.