Coway AP-2015F Airmega vs Honeywell Allergen Plus™: Which Should You Buy in 2026?

Name: Coway AP-2015F Airmega 400 Smart Air Purifier (Covers 1,560 sq. ft.), True HEPA Air Purifier with Smart Technology, White 400 WHITE
Brand: Coway
SKU: B01C9RIACG
Price: 349 USD
Availability: InStock
Rating: 4.4 (6465 reviews)

Our Verdict

Coway Airmega 400 Wins

Coway AP-2015F Airmega 400 Smart Air Purifier (Covers 1,560 sq. ft.), True HEPA Air Purifier with Smart Technology, White 400 WHITE - High-End Air Purifiers

It offers vastly superior coverage (1,560 sq ft) and CADR (328 smoke), making it ideal for large spaces. Choose Honeywell for smaller rooms up to 398 sq ft and a more budget-friendly option.

$349Check Price on Amazon

Bottom Line: Coway Airmega 400 is the better choice. It offers vastly superior coverage (1,560 sq ft) and CADR (328 smoke), making it ideal for large spaces.

Key Differences

The most significant spec differences at a glance

328

Cadr Smoke

115% more

152.8

1,560

Coverage Sq Ft

292% more

398

Advantages

Where each product wins

Coway

Cadr Smoke: 115% higher (328.0 vs 152.8)
Coverage Sq Ft: 292% higher (1560.0 vs 398.0)

Who Should Buy Which?

Find the right product for your needs

Buy Coway if...

Coway AP-2015F Airmega 400

If you live in a large home, open-plan apartment, or need superior air purification for expansive areas, the Coway Airmega 400 is ideal. It covers up to 1,560 sq ft with an impressive 328 smoke CADR, making it highly effective for severe allergens or pollution. Perfect for those prioritizing comprehensive coverage, smart automatic operation, and excellent filtration performance, even with a slightly higher upfront investment. Its quiet 22 dB minimum noise also ensures undisturbed use in large living spaces.

Buy Honeywell if...

Honeywell Allergen Plus™ 3-in-1

The Honeywell Allergen Plus HPA6000 is ideal for individuals seeking effective air purification for standard-sized rooms or apartments on a more moderate budget. If your priority is reducing allergens, pet dander, and odors in spaces up to 398 sq ft, this unit offers great value. It features a smart sensor for auto-adjustment and quiet operation, making it suitable for bedrooms or offices where undisturbed use is crucial. It’s a reliable choice if you don't require smart app control but value a customizable, set-and-forget system.

Spec Comparison

8 specs compared

Specification	Coway AP-2015F Airmega 400	Honeywell Allergen Plus™ 3-in-1
Price	$349	$260
Rating	4.4(6.5k)	4.7(56)
Cadr Smoke	328	152.8
Coverage Sq Ft	1560	398
Noise Level db Min	22 dB	—
Weight	24.7 lbs	—
Energy Star	Yes	—
Filter Type	True HEPA	HEPA
Smart Sensor	Yes	Yes
Noise Level db Max	52 dB	—

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Pros & Cons

Quick overview of strengths and weaknesses

Coway AP-2015F Airmega

Pros

Covers 1,560 sq. ft. in 30 minutes.
Filters 99.999% of 0.01-micron airborne particles.
Reduces 99% of VOCs and odors effectively.
Automatically adjusts fan speed to optimize air quality.

Cons

Maximum noise level reaches 52 dB.
Requires periodic filter replacement and cleaning.
Unit weighs 24.7 lbs.

Honeywell Allergen Plus™

Pros

Filters 99.97% allergens, reduces odors and VOCs.
AHAM certified 398 sq ft coverage at 4.8 ACH.
Monitors air quality, auto-adjusts fan speed.
Operates quietly for undisturbed use.

Cons

AHAM coverage is 398 sq ft, not stated 1928 sq ft.
Filter replacement costs are not detailed.
No remote control or smart app functionality.

Frequently Asked Questions

Common questions about this comparison

Which air purifier is better suited for a large, open-plan living area?

The Coway Airmega 400 is significantly better for large areas, covering up to 1,560 sq ft. The Honeywell Allergen Plus HPA6000 is certified for 398 sq ft, making it more suitable for standard-sized rooms.

What is the main difference in smoke purification performance?

The Coway Airmega 400 boasts a CADR (Clean Air Delivery Rate) for smoke of 328, indicating much faster smoke removal. The Honeywell HPA6000 has a smoke CADR of 152.8.

Is the price difference between the two units justified?

Yes, if you need extensive coverage. For approximately $90 more, the Coway offers quadruple the coverage and over double the smoke CADR, providing a better value per square foot for larger homes or offices.

Which unit operates more quietly?

The Coway Airmega 400 specifies a minimum noise level of 22 dB, which is very quiet for undisturbed use. Honeywell states it operates quietly, but a specific minimum dB is not provided in its specifications.