Bissell air400 Air Purifier
Best automated air purifier for allergy sufferers in medium-sized rooms.
This is the set-it-and-forget-it solution for cleaner air in larger living spaces. Its automated sensor system takes the guesswork out of filtration, constantly adjusting to your environment. While it lacks the smart-home connectivity of pricier competitors, it excels at the fundamentals of quiet, reliable purification.
$199.87
at
eBay
Who it's for
- Homeowners needing purification for large, open-concept living areas
- Busy individuals preferring automated, set-it-and-forget-it air management
- Pet owners and allergy sufferers requiring thorough, multi-stage particle filtration
Who should skip it
- Residents with limited floor space or minimalist interior designs
- Budget-conscious shoppers wary of ongoing proprietary filter replacement costs
- Light sleepers sensitive to loud fan noise during nighttime operation
Performance breakdown
Filtration Efficacy
Medical-grade H13 HEPA captures nearly all microscopic airborne pollutants effectively.
Room Coverage
Handles mid-to-large living spaces efficiently without needing constant repositioning.
Smart Automation
CirQulate sensor technology intelligently adapts fan speeds to real-time air quality.
Noise Management
Whisper-quiet at low settings, though audible when running at maximum capacity.
Maintenance Simplicity
Long-lasting filters and clear indicators make upkeep straightforward for busy households.
Energy Efficiency
Energy Star certification ensures low power draw during continuous daily operation.
Key Specs
Coverage Area
485.5 sq ft
Filtration
3-stage filtration (Pre-filter, Activated Carbon Filter, H13 HEPA filter)
HEPA Efficiency
99.97% of particles 0.3 microns and smaller
CADR Smoke
279 CFM
Fan Speeds
5
Noise Level
30-65 dB(A)
Weight
22.82 pounds
Dimensions
24-3/8 in. H x 16-3/16 in. W
Power Consumption
Up to 75W
Timer
Up to 8 hours
Know before you buy
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