Name: COWAY Air Purifiers for Home Large Room Up to 1,860 ft², Washable Pre-Filter and True HEPA Filter for Smoke, Allergies, Pet Dander, Odor, AQI, Smar...
Brand: Coway
SKU: B08H4DZ5MD
Price: 317.38 USD
Availability: InStock
Rating: 4.4 (7756 reviews)

Our Verdict

Coway 250 Wins

COWAY Air Purifiers for Home Large Room Up to 1,860 ft², Washable Pre-Filter and True HEPA Filter for Smoke, Allergies, Pet Dander, Odor, AQI, Smart & Rapid Mode, Timer, 3yr Warranty, 250 - High-End Air Purifiers

It provides significantly better purification with a CADR of 248.0 CFM and covers 387.5 sq ft for 5 ACH. Choose LG PuriCare AeroTower for Wi-Fi control and a sleek design in smaller rooms, despite its lower 99.2 CFM CADR.

$317Buy on Amazon

Bottom Line: Coway 250 is the better choice. It provides significantly better purification with a CADR of 248.

Key Differences

The most significant spec differences at a glance

248

Cadr Smoke

150% more

99.2

387.5

Coverage Sq Ft

150% more

155

Advantages

Where each product wins

Coway

Cadr Smoke: 150% higher (248.0 vs 99.2)
Coverage Sq Ft: 150% higher (387.5 vs 155)

Who Should Buy Which?

Find the right product for your needs

Buy Coway if...

COWAY Air Purifiers for

The ideal buyer for the Coway 250 is someone prioritizing powerful, efficient air purification for larger living spaces. If you need rapid removal of smoke, allergens, and VOCs from areas up to 387.5 sq ft and appreciate a washable pre-filter to reduce long-term costs, this is your choice. This buyer values high performance, reflected in its 248.0 CFM smoke CADR, and a strong 3-year warranty over smart home integration, seeking a reliable workhorse for cleaner air.

Buy LG if...

LG PuriCare AeroTower Air

The LG PuriCare AeroTower is best for tech-savvy individuals living in smaller rooms (up to 155 sq ft) who desire a sleek, multi-functional device. If you prioritize modern aesthetics, Wi-Fi control for remote operation, precise PM 1.0 sensor monitoring, and the convenience of an integrated fan, this product fits your needs. This buyer is willing to pay a premium for advanced features and design, even with a lower 99.2 CFM smoke CADR and smaller coverage compared to competitors.

Spec Comparison

5 specs compared

Specification	Coway Air Purifiers for	LG PuriCare AeroTower Air
Price	$317	$350
Rating	4.4(7.8k)	4.2(14)
Cadr Smoke	248	99.2
Coverage Sq Ft	387.5	155
Filter Type	True HEPA	True HEPA
Smart Sensor	Yes	Yes
WiFi	—	Yes

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Pros & Cons

Quick overview of strengths and weaknesses

Coway Air Purifiers

Pros

Covers 387 sq ft for 5 air changes per hour.
Removes 99.999% of 0.01-micron particles.
Reduces 99% of volatile organic compounds.
Automatically adjusts fan speed to air quality.

Cons

Requires periodic replacement of internal filters.
Advertised coverage exceeds typical 5 ACH standard.

LG PuriCare AeroTower

Pros

99.97% particle capture for 0.3μm.
Three-layer filtration system cleans various pollutants.
PM 1.0 sensor monitors microscopic particles.
Cleans 155 sq ft rooms 4.8 times hourly.

Cons

744 sq ft coverage results in very slow air changes.
Requires periodic filter replacement, incurring cost.
Smoke CADR of 99.2 CFM limits rapid purification.

Frequently Asked Questions

Common questions about this comparison

Which air purifier is better for large rooms?

The Coway 250 is superior for large rooms, effectively covering 387.5 sq ft with 5 air changes per hour. The LG PuriCare AeroTower is designed for smaller spaces, cleaning 155 sq ft rooms at 4.8 changes hourly.

What's the main difference in air purification speed?

The Coway 250 has a smoke CADR of 248.0 CFM, indicating faster air cleaning. The LG PuriCare AeroTower has a smoke CADR of 99.2 CFM, which means it purifies air at a slower rate.

Is the price difference between the two worth it?

The Coway 250 is slightly less expensive ($317.38 vs $349.99) and offers significantly better performance for coverage and CADR, making it a better value for core purification. The LG justifies its price with Wi-Fi and fan functionality.