Levoit
Levoit PlasmaPro 400S-P Smart Activated Carbon Tower Air Purifier
Best smart air purifier for large homes needing odor and allergen control.
Experience superior air quality with the Levoit PlasmaPro 400S-P Smart Air Purifier. Designed for large homes, it effectively purifies spaces up to 1,755 sq. ft. Its advanced 3-stage filtration system, including activated carbon, captures 99.97% of airborne particles and neutralizes odors and VOCs. Enjoy whisper-quiet operation as low as 22dB and real-time air quality monitoring. Seamlessly control settings via the VeSync app or voice commands with Amazon Alexa and Google Assistant compatibility for ultimate convenience.
$296.99
Owner Satisfaction
4.5
/ 5
Category Rank
94
/ 725
#94 in Air Purifiers
Price vs Category Average
+6%
Above average
Dimensions
20.510.810.8
/ "H x "W x "D
Who it's for
- Allergy sufferers needing high-efficiency particle removal
- Tech-savvy users who prioritize remote control and automation
- Pet owners and home cooks battling persistent household odors
Who should skip it
- Purist consumers who avoid ion-based air purification technology
- Budget-conscious shoppers wary of high long-term maintenance costs
- Light sleepers sensitive to fan noise in quiet environments
Performance breakdown
Purification Coverage
Handles expansive living spaces with impressive air exchange efficiency.
Acoustic Comfort
Whisper-quiet performance ensures undisturbed sleep even at night.
Smart Integration
Seamless app and voice control makes air management effortless.
Filtration Depth
Three-stage system effectively traps allergens and stubborn household odors.
Sensor Accuracy
Real-time monitoring provides reliable data on current air quality levels.
Design Versatility
Compact tower footprint fits discreetly into any room layout.
Key Specs
Dimensions
20.5"H x 10.8"W x 10.8"D
Coverage Area
Up to 1,755 sq. ft.
Filtration
True HEPA, Activated Carbon, Pre-Filter
Noise Level
Minimum 22 dB
PM Removal Efficiency
99.97% for particles down to 0.3 microns
Connectivity
Wi-Fi enabled, supports voice control
Cord Length
73 inches
Model Number
LAP-C401S-WUSR
Features
- Covers large areas up to 1,755 sq. ft.
- Whisper-quiet operation as low as 22dB
- Captures 99.97% of airborne particles
- Neutralizes smoke, fumes, VOCs, and odors
- Real-time air quality monitoring
- Smart control via app and voice assistants
- Compatible with Alexa and Google Assistant
- 3-stage filtration system
What customers say
Customers enthusiastically approve of the Levoit PlasmaPro 400S P, praising its high performance in quickly clearing pet odors, cooking smells, and fine particles. The VeSync app integration is a major benefit, offering intuitive control and reliable real time air quality monitoring. Its modern design fits well in contemporary spaces, and noise levels are excellent on sleep settings. While the core filtration is top tier, the ongoing expense of proprietary filter replacements is a frequent consideration. Overall, the consensus is that the unit delivers substantial value through superior air quality and advanced smart functionality, making it a highly recommended purification solution.
Know before you buy
This unit is designed for large spaces and can effectively purify rooms up to 1,755 square feet. For optimal performance, it is best suited for open-concept living areas or large bedrooms.
Yes, the 3-stage filtration system includes an activated carbon filter specifically designed to neutralize household odors, smoke, fumes, and volatile organic compounds (VOCs).
Absolutely. At its lowest setting, the purifier operates at just 22dB, which is quieter than a whisper and ideal for maintaining a peaceful sleeping environment.
Not necessarily. The unit features built-in optical sensor technology that monitors your air quality in real-time and can automatically adjust fan speeds to address detected pollutants.
Yes, the device is Wi-Fi enabled and connects to the VeSync app. This allows you to monitor air quality, change settings, and set schedules from anywhere using your smartphone.
Yes, the 400S-P supports voice commands through Amazon Alexa and Google Assistant, allowing for hands-free control of your air purification settings.
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Ready to buy?
$297