Compare Honeywell HPA304 vs Dyson Purifier Big+Quiet Formaldehyde BP03

P1 Honeywell HPA304
P2 Dyson Purifier Big+Quiet Formaldehyde BP03

Comparison Takeaways

Honeywell HPA304

Where It Has the Edge

  • replacement experience is 3.6 vs 1.3. Customer evidence for replacement experience is mixed across the scored reviews.
  • customer support is 3.6 vs 1.4. Customer evidence for customer support is mixed across the scored reviews.
  • reliability is 2.6 vs 1.4. Customer evidence for reliability is negative across the scored reviews.
  • condition on arrival is 2.0 vs 1.0. Condition on arrival is a recurring weakness because several units or filters arrived damaged.

Dyson Purifier Big+Quiet Formaldehyde BP03

Where It Has the Edge

  • HEPA filtration is 5.0 vs 2.5. Reviewers were strongly positive on HEPA filtration, with support from expert testing and customer use.
  • real-time air quality monitoring is 4.4 vs 2.0. Reviewers were generally positive on real-time air quality monitoring, though some comments noted limits or context-dependent results.
  • build quality is 4.3 vs 2.1. Reviewers were generally positive on build quality, though some comments noted limits or context-dependent results.
  • remote control is 3.8 vs 2.0. Evidence on remote control was mixed, balancing useful performance with complaints or uncertainty.
Average score
Product 1: Honeywell HPA304
3.7
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.2
activated carbon filter
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.1

Reviewers were generally positive on activated carbon filter, though some comments noted limits or context-dependent results.

adjustable vents
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.6

Reviewers were generally positive on adjustable vents, though some comments noted limits or context-dependent results.

air circulation
Product 1: Honeywell HPA304
4.6

Customer evidence for air circulation is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
5.0

Reviewers were strongly positive on air circulation, with support from expert testing and customer use.

air dryness
Product 1: Honeywell HPA304
2.5

One reviewer felt the purifier made the air drier and suggested pairing it with a humidifier.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
air purification performance
Product 1: Honeywell HPA304
4.7

Air purification performance is a major strength across customer reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.6

Reviewers were strongly positive on air purification performance, with support from expert testing and customer use.

air quality sensor accuracy
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.1

Reviewers were generally positive on air quality sensor accuracy, though some comments noted limits or context-dependent results.

allergen reduction
Product 1: Honeywell HPA304
4.9

Allergen reduction is one of the strongest outcome themes.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.8

Reviewers were strongly positive on allergen reduction, with support from expert testing and customer use.

app connectivity
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.6

Reviewers were strongly positive on app connectivity, with support from expert testing and customer use.

auto mode performance
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.6

Reviewers were generally positive on auto mode performance, though some comments noted limits or context-dependent results.

build quality
Product 1: Honeywell HPA304
2.1

Build quality is mixed to negative because several users report loose panels, broken plastic, or poor fit.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.3

Reviewers were generally positive on build quality, though some comments noted limits or context-dependent results.

CADR rating
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
2.0

Reviewers raised notable concerns about CADR rating, especially in customer reports of defects, weak results, or poor support.

condition on arrival
Product 1: Honeywell HPA304
2.0

Condition on arrival is a recurring weakness because several units or filters arrived damaged.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
1.0

Reviewers raised notable concerns about condition on arrival, especially in customer reports of defects, weak results, or poor support.

control placement
Product 1: Honeywell HPA304
2.0

Customer evidence for control placement is negative across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
customer support
Product 1: Honeywell HPA304
3.6

Customer evidence for customer support is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
1.4

Reviewers raised notable concerns about customer support, especially in customer reports of defects, weak results, or poor support.

design and appearance
Product 1: Honeywell HPA304
3.3

Customer evidence for design and appearance is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.4

Reviewers were generally positive on design and appearance, though some comments noted limits or context-dependent results.

display readability
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.7

Reviewers were strongly positive on display readability, with support from expert testing and customer use.

documentation quality
Product 1: Honeywell HPA304
3.5

Customer evidence for documentation quality is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
durability
Product 1: Honeywell HPA304
3.3

Customer evidence for durability is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
3.7

Evidence on durability was mixed, balancing useful performance with complaints or uncertainty.

dust removal
Product 1: Honeywell HPA304
4.7

Dust removal is one of the clearest repeated positives.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.0

Reviewers were generally positive on dust removal, though some comments noted limits or context-dependent results.

ease of use
Product 1: Honeywell HPA304
3.6

Customer evidence for ease of use is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.6

Reviewers were strongly positive on ease of use, with support from expert testing and customer use.

energy efficiency
Product 1: Honeywell HPA304
2.5

Customer evidence for energy efficiency is negative across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
fan speed options
Product 1: Honeywell HPA304
4.2

Customer evidence for fan speed options is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.8

Reviewers were strongly positive on fan speed options, with support from expert testing and customer use.

filter availability
Product 1: Honeywell HPA304
4.0

Customer evidence for filter availability is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
filter life
Product 1: Honeywell HPA304
3.7

Customer evidence for filter life is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.3

Reviewers were generally positive on filter life, though some comments noted limits or context-dependent results.

filter replacement cost
Product 1: Honeywell HPA304
2.6

Customer evidence for filter replacement cost is negative across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.2

Reviewers were generally positive on filter replacement cost, though some comments noted limits or context-dependent results.

filter stages
Product 1: Honeywell HPA304
4.5

Customer evidence for filter stages is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
5.0

Reviewers were strongly positive on filter stages, with support from expert testing and customer use.

formaldehyde removal
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.6

Reviews repeatedly discuss formaldehyde-focused filtration, mostly positively, with one customer reporting fluctuating readings.

HEPA filtration
Product 1: Honeywell HPA304
2.5

Customer evidence for HEPA filtration is negative across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
5.0

Reviewers were strongly positive on HEPA filtration, with support from expert testing and customer use.

indicator lights
Product 1: Honeywell HPA304
4.4

Customer evidence for indicator lights is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.2

Reviewers were generally positive on indicator lights, though some comments noted limits or context-dependent results.

listing accuracy
Product 1: Honeywell HPA304
5.0

Customer evidence for listing accuracy is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
maintenance ease
Product 1: Honeywell HPA304
4.4

Customer evidence for maintenance ease is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
3.9

Reviewers were generally positive on maintenance ease, though some comments noted limits or context-dependent results.

mold spore reduction
Product 1: Honeywell HPA304
4.5

Customer evidence for mold spore reduction is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
noise level
Product 1: Honeywell HPA304
3.5

Noise level is mixed, with quiet low settings and loud high or turbo settings.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.6

Reviewers were strongly positive on noise level, with support from expert testing and customer use.

odor reduction
Product 1: Honeywell HPA304
4.3

Odor reduction is usually positive, especially for pets, smoke, and cooking smells, with one weaker cooking-odor report.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.1

Reviewers were generally positive on odor reduction, though some comments noted limits or context-dependent results.

overall satisfaction
Product 1: Honeywell HPA304
4.4

Overall satisfaction is generally high, though quality-control failures drive some very negative experiences.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.5

Reviewers were generally positive on overall satisfaction, though some comments noted limits or context-dependent results.

particle removal effectiveness
Product 1: Honeywell HPA304
4.3

Customer evidence for particle removal effectiveness is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.8

Reviewers were strongly positive on particle removal effectiveness, with support from expert testing and customer use.

pet dander removal
Product 1: Honeywell HPA304
4.7

Customer evidence for pet dander removal is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
5.0

Reviewers were strongly positive on pet dander removal, with support from expert testing and customer use.

PM2.5 detection
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
5.0

Reviewers were strongly positive on PM2.5 detection, with support from expert testing and customer use.

pollen removal
Product 1: Honeywell HPA304
4.9

Customer evidence for pollen removal is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
portability
Product 1: Honeywell HPA304
4.5

Customer evidence for portability is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.2

Reviewers were generally positive on portability, though some comments noted limits or context-dependent results.

pre-filter quality
Product 1: Honeywell HPA304
5.0

Customer evidence for pre-filter quality is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
real-time air quality monitoring
Product 1: Honeywell HPA304
2.0

Customer evidence for real-time air quality monitoring is negative across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.4

Reviewers were generally positive on real-time air quality monitoring, though some comments noted limits or context-dependent results.

reliability
Product 1: Honeywell HPA304
2.6

Customer evidence for reliability is negative across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
1.4

Reviewers raised notable concerns about reliability, especially in customer reports of defects, weak results, or poor support.

remote control
Product 1: Honeywell HPA304
2.0

Customer evidence for remote control is negative across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
3.8

Evidence on remote control was mixed, balancing useful performance with complaints or uncertainty.

replacement experience
Product 1: Honeywell HPA304
3.6

Customer evidence for replacement experience is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
1.3

Reviewers raised notable concerns about replacement experience, especially in customer reports of defects, weak results, or poor support.

room coverage
Product 1: Honeywell HPA304
4.7

Customer evidence for room coverage is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.6

Reviewers were strongly positive on room coverage, with support from expert testing and customer use.

safety certifications
Product 1: Honeywell HPA304
3.0

Customer evidence for safety certifications is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
scheduling options
Product 1: Honeywell HPA304
5.0

Customer evidence for scheduling options is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.9

Reviewers were strongly positive on scheduling options, with support from expert testing and customer use.

size and footprint
Product 1: Honeywell HPA304
2.3

Customer evidence for size and footprint is negative across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
2.4

Reviewers raised notable concerns about size and footprint, especially in customer reports of defects, weak results, or poor support.

sleep mode
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.2

Reviewers were generally positive on sleep mode, though some comments noted limits or context-dependent results.

sleep quality benefit
Product 1: Honeywell HPA304
4.9

Several reviewers connected cleaner air or bedroom use with better sleep or sleeping more comfortably.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
smart features
Product 1: Honeywell HPA304
3.3

Customer evidence for smart features is mixed across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.8

Reviewers were strongly positive on smart features, with support from expert testing and customer use.

smoke removal
Product 1: Honeywell HPA304
4.9

Smoke removal is strongly supported in fire, cigarette, and wood-smoke situations.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.5

Reviewers were generally positive on smoke removal, though some comments noted limits or context-dependent results.

true HEPA filter
Product 1: Honeywell HPA304
5.0

Customer evidence for true HEPA filter is positive across the scored reviews.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
5.0

Reviewers were strongly positive on true HEPA filter, with support from expert testing and customer use.

value for money
Product 1: Honeywell HPA304
4.0

Value for money is mixed between strong worth-it comments and complaints about price increases or filter costs.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
3.4

Evidence on value for money was mixed, balancing useful performance with complaints or uncertainty.

virus reduction confidence
Product 1: Honeywell HPA304
2.0

One reviewer noted the unit was not guaranteed to eliminate viruses, limiting confidence for that use case.

Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
No score yet
VOC reduction
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.8

Reviewers were strongly positive on VOC reduction, with support from expert testing and customer use.

VOC sensor accuracy
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
3.7

Evidence on VOC sensor accuracy was mixed, balancing useful performance with complaints or uncertainty.

voice assistant compatibility
Product 1: Honeywell HPA304
No score yet
Product 2: Dyson Purifier Big+Quiet Formaldehyde BP03
4.5

Reviewers were generally positive on voice assistant compatibility, though some comments noted limits or context-dependent results.