Name: Coway Airmega AP-1512HH(W) True HEPA Purifier with Air Quality Monitoring, Auto, Timer, Filter Indicator, and Eco Mode, 16.8 x 18.3 x 9.7, White AP...
Brand: Coway
SKU: B01728NLRG
Price: 229.99 USD
Availability: InStock
Rating: 4.6 (27977 reviews)

Our Verdict

Winix 5520 Wins

WINIX 5520 Air Purifier for Home Large Room Up to 1882 Ft² in 1 Hr With Air Quality Monitor, True HEPA, High Deodorization Carbon Filter and Auto Mode, Captures Pet Allergies, Smoke, Dust. - High-End Air Purifiers

Offers superior coverage at 391.67 sq ft and CADR smoke of 250.67. Choose Coway AP-1512HH for guaranteed quieter operation at 24.4 dB minimum.

$140Buy on Amazon

Bottom Line: Winix 5520 is the better choice. Offers superior coverage at 391.

Key Differences

The most significant spec differences at a glance

233

Cadr Smoke

7% less

250.67

361

Coverage Sq Ft

8% less

391.67

Advantages

Where each product wins

Winix

Cadr Smoke: 7% higher (233.0 vs 250.67)
Coverage Sq Ft: 8% higher (361.0 vs 391.67)

Who Should Buy Which?

Find the right product for your needs

Buy Coway if...

Coway Airmega AP-1512HH(W) True

If you prioritize extremely quiet operation and precise air quality monitoring for a medium-sized room, the Coway AP-1512HH is ideal. Its 24.4 dB minimum noise level makes it perfect for bedrooms or offices where silence is key. You'll appreciate its four-stage filtration, real-time LED air quality indicator, and energy-saving Eco Mode, despite the slightly higher price for its 361 sq ft coverage.

Buy Winix if...

WINIX 5520 Air Purifier

The Winix 5520 is perfect for budget-conscious buyers needing effective air purification for larger spaces. If you prioritize maximum coverage (391.67 sq ft) and CADR (250.67 smoke) at a lower price point, this is your pick. Its ability to capture 99.99% of airborne particles down to 0.015m, combined with a high deodorization carbon filter and washable pre-filter, makes it excellent for homes with pets or strong odors.

Spec Comparison

7 specs compared

Specification	Coway Airmega AP-1512HH(W) True	Winix 5520 Air Purifier
Price	$230	$140
Rating	4.6(28.0k)	4.6(30.7k)
Cadr Smoke	233	250.67
Coverage Sq Ft	361	391.67
Noise Level db Min	24.4 dB	—
Weight	12.5 lbs	—
Filter Type	True HEPA	True HEPA
Smart Sensor	Yes	Yes
Noise Level db Max	53.8 dB	—

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Pros & Cons

Quick overview of strengths and weaknesses

Coway Airmega AP-1512HH(W)

Pros

Covers rooms up to 361 sq ft (CADR smoke 233)
Four-stage filtration, 99.97% of 0.3 micron particles
Reduces VOCs and odors
Real-time air quality monitoring with LED

Cons

Max noise level is 53.8 dB, audible in quiet settings
Filters are not covered by manufacturer's warranty
Limited warranty: 1 year parts, 3 year motor

Winix 5520 Air

Pros

Covers 391 sq ft rooms effectively (AHAM verified).
Captures 99.99% airborne particles down to 0.01µ.
Activated carbon filter reduces odors and VOCs.
Washable pre-filter extends main filter longevity.

Cons

Requires periodic filter replacements, incurring cost.
PlasmaWave feature may generate trace ozone.
Higher end room coverage claim uses non-standard metric.

Frequently Asked Questions

Common questions about this comparison

Which air purifier is better for larger rooms?

The Winix 5520 is better for larger rooms, covering up to 391.67 sq ft with a CADR smoke of 250.67. The Coway AP-1512HH covers 361 sq ft with a CADR smoke of 233.

What is the main difference in their filtration technology?

Both use True HEPA. The Coway has a four-stage system. The Winix captures 99.99% of particles down to 0.015m and includes a PlasmaWave feature, which Coway lacks.

Is the price difference worth it for these two models?

The Winix is slightly cheaper ($139.99) and offers more coverage. The Coway ($153.99) justifies its price with specific low noise levels (24.4 dB min) and established reliability for specific users.

Which unit provides a quieter operation?

The Coway AP-1512HH specifies a minimum noise level of 24.4 dB, making it suitable for very quiet environments like bedrooms. The Winix does not provide a minimum noise level in its specifications.