Honeywell Allergen Plus™ vs PuroAir 240 HEPA: Which Should You Buy in 2026?

Name: Honeywell Allergen Plus™ 3-in-1 HEPA Air Purifier, Fan & Air Circulator, 1928 Ft² Rooms in 1 hour, Air Quality Sensor, Sleep Mode, Reduces Allergen...
Brand: Honeywell
SKU: B0FKCQ459Y
Price: 259.99 USD
Availability: InStock
Rating: 4.7 (56 reviews)

Our Verdict

PuroAir 240 HEPA Air Purifiers Wins

PuroAir 240 HEPA Air Purifiers for Home Large Rooms - Covers Up To 1,000 Sq Ft - Filters Up To 99.9% of Pollutants, Smoke, Pollen, Dust - Quiet HEPA Air Filter - Air Purifiers for Bedroom (2 Pack) - High-End Air Purifiers

With a CADR of 640 and coverage up to 1,000 sq ft, the PuroAir offers substantially more purification power and room coverage for just $20 more than the Honeywell HPA6000B. This makes it a superior choice for larger spaces or more demanding air quality needs. The Honeywell is a better pick if you prioritize a 3-in-1 device that combines purification with active air circulation and fan capabilities for smaller to medium-sized rooms, accepting its lower purification capacity.

$280Check Price on Amazon

Bottom Line: PuroAir 240 HEPA Air Purifiers is the better choice. With a CADR of 640 and coverage up to 1,000 sq ft, the PuroAir offers substantially more purification power and room coverage for just $20 more than the Honeywell HPA6000B.

In-Depth Analysis

How they compare in practice

The Honeywell Allergen Plus™ 3-in-1 HEPA Air Purifier (HPA6000B) and the PuroAir 240 HEPA Air Purifier present two distinct value propositions for consumers seeking cleaner air. The most striking difference lies in their purification capacity: the PuroAir 240 boasts a significantly higher CADR (Clean Air Delivery Rate) for smoke at 640 and can cover rooms up to 1,000 sq ft, dwarfing the Honeywell's CADR of 254.72 and 398 sq ft coverage. This means that in real-world use, a single PuroAir unit can purify a large open-plan living area or multiple connected rooms far more effectively and rapidly than the Honeywell. For instance, in a 500 sq ft space, the PuroAir would cycle the air twice as fast as the Honeywell. The PuroAir's capability makes it ideal for homes with pervasive issues like pet dander, significant allergen loads, or smoke.While both units feature HEPA filtration and smart sensors to auto-adjust fan speeds based on air quality, the Honeywell distinguishes itself as a true '3-in-1' device, incorporating active air circulation and fan functionality alongside purification. This makes the Honeywell more versatile for smaller environments where users might appreciate consolidating a fan and air purifier into one unit, effectively serving as an air circulator in addition to cleaning the air. However, it lacks the raw purification prowess of the PuroAir.The PuroAir also carries an Energy Star certification, indicating better energy efficiency over time, a factor not mentioned for the Honeywell. Both require ongoing filter replacements, incurring similar maintenance costs. The trade-off is clear: for maximum purification and coverage in large areas, the PuroAir offers a compelling advantage despite its slightly higher price point. For those needing a multi-functional device in a smaller setting, the Honeywell’s integrated fan and circulation feature might tip the scales, provided the lower CADR and coverage are acceptable.

Key Differences

The most significant spec differences at a glance

254.72

Cadr Smoke

60% less

640

398

Coverage Sq Ft

60% less

1,000

Advantages

Where each product wins

PuroAir

Cadr Smoke: 60% higher (254.72 vs 640.0)
Coverage Sq Ft: 60% higher (398 vs 1000.0)

Which to Pick for Your Situation

Concrete scenarios with a clear recommendation

For large, open-concept living areas

PuroAir

The PuroAir 240 covers up to 1,000 sq ft with a CADR of 640, making it vastly more effective for extensive spaces compared to the Honeywell's 398 sq ft.

For a bedroom where a fan is also desired

Honeywell

The Honeywell is a 3-in-1 device, combining purification with fan and air circulation capabilities, which is convenient for a bedroom.

For significant pet dander or smoke issues

PuroAir

With a high CADR of 640, the PuroAir 240 offers superior smoke and pollutant removal, making it more effective against heavy airborne particles.

For energy-conscious households

PuroAir

The PuroAir 240 is Energy Star certified, indicating greater energy efficiency compared to the Honeywell.

Who Should Buy Which?

Find the right product for your needs

Buy Honeywell if...

Honeywell Allergen Plus™ 3-in-1

The Honeywell Allergen Plus™ 3-in-1 HEPA Air Purifier (HPA6000B) is ideal for individuals or families residing in smaller homes, apartments, or those needing a dedicated unit for a single medium-sized room, such as a master bedroom or home office. Their priorities lean towards a multi-functional device that not only purifies but also offers active air circulation and fan capabilities, reducing the need for separate appliances. This buyer values the convenience of a 3-in-1 system and its compact form factor. They typically occupy spaces around 300-400 sq ft and will find the Honeywell's 398 sq ft coverage and CADR of 254.72 perfectly adequate for maintaining good air quality and comfort. While they understand there are more powerful purifiers, their budget of around $260 and their specific need for integrated air movement make the Honeywell a perfect fit. They are willing to forgo smart app control for the simplicity and utility offered by the device's automatic adjustments based on its air quality sensor.

Buy PuroAir if...

PuroAir 240 HEPA Air

The PuroAir 240 HEPA Air Purifiers are perfectly suited for homeowners or renters with large living spaces, open-concept floor plans, or multiple rooms that require robust air purification. This buyer's top priority is maximum air cleaning performance, especially if they contend with significant allergens, pet dander from multiple animals, or general airborne pollutants across a wide area. They need a system that can quickly and effectively cycle air through spaces up to 1,000 sq ft, a capability directly addressed by the PuroAir's impressive CADR of 640. While their budget is slightly higher, around $280, they see the value in paying a bit more for superior coverage and purification power. They appreciate the Energy Star certification for long-term operational savings and the convenience of a smart sensor for automatic operation. They are not concerned with the purifier also acting as a fan or air circulator, preferring to manage those functions separately if needed, and are comfortable without smartphone app integration.

Spec Comparison

5 specs compared

Specification	Honeywell Allergen Plus™ 3-in-1	PuroAir 240 HEPA Air
Price	$260	$280
Rating	4.7(56)	4.6(16.0k)
Cadr Smoke	254.72	640
Coverage Sq Ft	398	1000
Filter Type	HEPA	HEPA
Smart Sensor	Yes	Yes
Energy Star	—	Yes

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Pros & Cons

Quick overview of strengths and weaknesses

Honeywell Allergen Plus™

Pros

Removes 99.97% allergens via HEPA filtration.
Carbon filter reduces odors and VOCs.
Auto-adjusts fan based on air quality sensor.
Circulates purified air in rooms up to 398 sq ft.

Cons

Continuous AHAM coverage limited to 398 sq ft.
Requires filter replacements, incurring ongoing cost.
No smart home or app integration functionality.

PuroAir 240 HEPA

Pros

Covers 1,000 sq ft area rapidly.
High CADR of 640 for effective smoke removal.
3-layer filtration removes 99.9% of pollutants.
Smart sensor automatically adjusts fan speed.

Cons

Requires ongoing cost for filter replacements.
Specific noise output (dB) not detailed.
Lacks remote or smartphone app control.

Frequently Asked Questions

Common questions about this comparison

Which air purifier covers a larger area?

The PuroAir 240 covers a significantly larger area, up to 1,000 sq ft, while the Honeywell HPA6000B is designed for rooms up to 398 sq ft.

Do these purifiers effectively remove smoke?

Yes, both use HEPA filtration. The PuroAir 240 is superior for smoke removal with a CADR of 640, compared to the Honeywell HPA6000B's CADR of 254.72.

Does either unit offer smart home integration?

Neither the Honeywell HPA6000B nor the PuroAir 240 offers smart home or app integration functionality. Both rely on a smart sensor for automatic fan adjustments.

How do these products help with odors?

The Honeywell HPA6000B explicitly states its carbon filter reduces odors and VOCs. While the PuroAir 240 mentions removing pollutants, specific odor reduction is not detailed in its core benefits.

Is there a difference in energy efficiency?

Yes, the PuroAir 240 is Energy Star certified, indicating it meets strict energy efficiency guidelines. The Honeywell HPA6000B does not list this certification.