Dyson
Dyson Purifier Big + Quiet Formaldehyde Reviews
Experience superior air purification with the Dyson Purifier Big + Quiet Formaldehyde. Designed for large spaces, it quietly projects clean air over 32 feet. This advanced purifier permanently detects and destroys formaldehyde, while an exclusive K-Carbon filter captures three times more NO₂. A CO₂ sensor monitors air quality, alerting you to elevated levels. Enjoy versatile control via the included remote, the MyDyson app, or voice commands. Dyson backs this innovative purifier with a 2-Year Limited Warranty.
$799.00
Owner Satisfaction
4.4
/ 5
Category Rank
305
/ 717
#305 in Air Purifiers
Price vs Category Average
+186%
Above average
Filtration Grade
13
/ H Grade HEPA
Who it's for
- Exceptional Coverage for Large Spaces
- Permanent Formaldehyde Destruction
- Engineered for Quiet Operation
Who should skip it
- Premium Price Point
- Large Physical Footprint
- High Ongoing Filter Costs
Key Specs
Filtration Grade
H13 Grade HEPA
Filter Types Included
K-Carbon Filter, HEPA Filter, Activated Carbon Filter
Smart Connectivity
MyDyson app, voice services
Air Quality Sensor
Yes (CO₂ sensor included)
Warranty
2 Years Limited
Model Numbers
BP04 or BP03
Filter Replacement Indicator
Yes
Formaldehyde Destruction
Permanent
Features
- Projects clean air over 32 feet
- Permanently detects and destroys formaldehyde
- Captures 3x more NO₂ with K-Carbon filter
- Monitors and alerts for high CO₂ levels
- Quiet operation for large spaces
- Control via remote, app, or voice services
- Uses H13 Grade HEPA filtration
- Includes magnetized remote control storage
What customers say
This purifier excels in performance, effectively cleaning very large open spaces while operating almost silently on lower settings, making it ideal for quiet environments. Users consistently report immediate improvements in air quality, noting reductions in allergens and odors, supported by its specialized formaldehyde destruction technology. The core function and build quality are highly praised. However, the premium price point and the cost of replacement filters significantly temper overall value perception for many buyers. Satisfaction largely depends on prioritizing top tier performance in large areas over budget considerations.
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