Our Verdict
Honeywell Allergen Plus™ Wins

It offers superior purification clarity with a CADR (smoke) of 254.72 and covers 398 sq ft. Choose Dreo for smart home integration and powerful 27ft/s airflow.
Bottom Line: Honeywell Allergen Plus™ is the better choice. It offers superior purification clarity with a CADR (smoke) of 254.
Key Differences
The most significant spec differences at a glance
Cadr Smoke
100% lessCoverage Sq Ft
100% lessAdvantages
Where each product wins
Honeywell
- Cadr Smoke: 100% higher (0 vs 254.72)
- Coverage Sq Ft: 100% higher (0 vs 398)
Who Should Buy Which?
Find the right product for your needs
Buy Dreo if...
Dreo MC710S Air Purifier
If you're a tech-savvy user who values smart home integration and powerful fan performance, the Dreo MC710S is ideal. Its Wi-Fi connectivity, app control, and Alexa compatibility offer seamless operation. You'll appreciate the independent fan and purification motor control, delivering a strong 27ft/s airflow for effective cooling, combined with a remarkably low 25dB noise level. Perfect for bedrooms or offices where quiet operation and remote management are key, despite the unstated CADR.
Buy Honeywell if...
Honeywell Allergen Plus™ 3-in-1
The Honeywell Allergen Plus™ is perfect for allergy sufferers, pet owners, or anyone prioritizing clear, effective air purification for rooms up to 398 sq ft. If you value proven performance with a CADR (smoke) of 254.72 and integrated odor reduction via a carbon filter, this is your pick. Its smart sensor automatically adjusts fan speed based on air quality, offering a set-and-forget convenience. Ideal for those who need reliable, measurable air cleaning and circulation without the need for smart home integration.
Spec Comparison
6 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $297 | $260 |
| Rating | 4.6(272) | 4.7(56) |
| Cadr Smoke | 0 | 254.72 |
| Coverage Sq Ft | 0 | 398 |
| Noise Level db Min | 25 dB | — |
| Filter Type | True HEPA | HEPA |
| Smart Sensor | Yes | Yes |
| WiFi | Yes | — |
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Pros & Cons
Quick overview of strengths and weaknesses
Dreo MC710S Air
- Independent fan and purification motor control.
- Generates 27ft/s airflow, reaching 40 ft distance.
- True HEPA filtration captures 99.9% of 0.3µm particles.
- Low noise output, operates quietly at 25dB.
- No CADR rating for purification efficiency.
- Requires regular replacement of HEPA filters.
- Specific room coverage (sq ft) not clearly stated.
Honeywell Allergen Plus™
- 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.
- Continuous AHAM coverage limited to 398 sq ft.
- Requires filter replacements, incurring ongoing cost.
- No smart home or app integration functionality.
Frequently Asked Questions
Common questions about this comparison
Which air purifier is better for larger rooms and overall purification efficiency?
The Honeywell Allergen Plus™ is better for larger rooms, covering up to 398 sq ft with a CADR (smoke) of 254.72, providing clear purification metrics. The Dreo does not state specific coverage or CADR.
What are the main differences in smart features between the two products?
The Dreo MC710S offers Wi-Fi connectivity, app control, and works with Alexa. The Honeywell Allergen Plus™ features a smart air quality sensor for auto-adjustment but lacks app integration or smart home connectivity.
Is the price difference between the Dreo ($296.98) and Honeywell ($259.99) worth it?
The Honeywell is $37 cheaper and offers clear purification specs. The Dreo is more expensive but provides Wi-Fi, app control, Alexa integration, and a very strong 27ft/s airflow for cooling.
Which product is quieter for bedroom use?
The Dreo MC710S explicitly states a low noise output of 25dB, making it exceptionally quiet. The Honeywell also claims quiet operation suitable for sleep environments, but does not specify a decibel level.
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