Related Products
Xiaomi Smart Air Purifier 4 Lite: 360 m³/hr CADR Engineering Analysis for 462 Sq.Ft. Coverage
The Xiaomi Smart Air Purifier 4 Lite provides a Clean Air Delivery Rate (CADR) of 360 m³/hr, optimized for spaces up to 462 sq.ft. Its advanced filtration media captures 99.97% of all particles as small as 0.3 microns through a triple-layered architecture. Integrated PM2.5 sensors provide real-time air quality data while maintaining a noise profile between 33 dB and 61 dB. The unit utilizes a 360-degree intake to ensure continuous air cycling across its 462 sq.ft. effective range.
Quick Answer
The Xiaomi 4 Lite is highly recommended for medium-sized rooms up to 462 sq.ft., utilizing a 3-stage HEPA system and a 360 m³/hr CADR for efficient particulate removal.
✓360 m³/hr CADR for rapid purification in rooms up to 462 sq.ft.
✓99.97% HEPA filtration efficiency for 0.3-micron particulate matter.
✓Triple-stage filter including Pre-filter, HEPA, and Activated Carbon.
✓Low-noise operation profile ranging from 33 dB to 61 dB.
✓Real-time PM2.5 monitoring via integrated high-precision laser sensors.
The Xiaomi 4 Lite is a powerhouse for medium rooms, balancing a 360 m³/hr CADR with a high-density 99.97% filtration system.
✓ Who Should Buy
- •Homeowners with rooms up to 462 sq.ft. seeking smart automation.
- •Individuals sensitive to 0.3-micron allergens who require 99.97% filtration.
- •Users looking for a quiet 33 dB night mode for bedrooms.
✕ Who Should Avoid
- •Industrial users requiring coverage exceeding 462 sq.ft.
- •Environments where noise above 61 dB is strictly prohibited at peak performance.
Product Overview
The Xiaomi Smart Air Purifier 4 Lite is engineered with a 360-degree intake system that maximizes its 360 m³/hr CADR output. Specifically designed for spaces up to 462 sq.ft., it utilizes a three-layer filtration stack consisting of a primary pre-filter, a high-efficiency core, and an activated carbon layer. The high-efficiency filter is certified to intercept 99.97% of pollutants including dust, smoke, and pollen as small as 0.3 microns. To ensure precision, the unit incorporates a high-accuracy PM2.5 sensor that tracks real-time air quality indicators displayed on the LED interface. While peak performance reaches 61 dB, the night mode throttles noise down to 33 dB for undisturbed rest. Users can manage these speeds through the Mi Home app, which links the 3-stage system to intelligent automation. This compact 4 Lite model occupies a small footprint despite its heavy-duty performance metrics. Each component is optimized to maintain the integrity of the 462 sq.ft. coverage zone.
| Brand | xiaomi |
| Model Name | Smart Air Purifier 4 Lite |
| Model Number | AC-M17-SC |
| Category | Air Purifier |
| Sub Category | Room Air Purifier |
| Purifier Type | HEPA + Activated Carbon |
| Installation Type | Floor Standing |
| Coverage Area Sqft | 462 |
| Room Size | Medium |
| Usage | Home |
| Launch Year | 2022 |
| Model Year | 2022 |
| Country Of Origin | China |
| Manufacturer | Xiaomi Corporation |
Related Products
Engineering Analysis
The engineering logic behind the Xiaomi Smart Air Purifier 4 Lite centers on its 360-degree air inlet geometry, which facilitates a 360 m³/hr CADR by reducing intake resistance. By utilizing a 3-stage mechanical filtration sequence, the device effectively neutralizes different particle sizes, ensuring that 99.97% of the 0.3-micron pollutants are trapped within the high-efficiency media. The activated carbon stage is strategically positioned to handle odors and VOCs while the primary filter catches larger debris to extend the life of the internal 99.97% efficiency layer. In a 462 sq.ft. area, the 360 m³/hr throughput ensures that air is processed rapidly, preventing the accumulation of stagnant allergens. The PM2.5 sensor provides the control logic with data points to adjust the fan speed within the 33 dB to 61 dB range. From a fluid dynamics perspective, the upward discharge of air creates a localized circulation pattern that covers the entire 462 sq.ft. footprint efficiently. Manual speed control logic allows users to override the 360 m³/hr peak if a quieter 33 dB environment is required. This balance of power and acoustic management is critical for the 462 sq.ft. rating. The integration of smart sensors into the 3-stage filter housing ensures that the high-efficiency media maintains its 99.97% capture rate even under high-load conditions.
Technical Support & FAQs
Engineering Analysis
The engineering logic behind the Xiaomi Smart Air Purifier 4 Lite centers on its 360-degree air inlet geometry, which facilitates a 360 m³/hr CADR by reducing intake resistance. By utilizing a 3-stage mechanical filtration sequence, the device effectively neutralizes different particle sizes, ensuring that 99.97% of the 0.3-micron pollutants are trapped within the high-efficiency media. The activated carbon stage is strategically positioned to handle odors and VOCs while the primary filter catches larger debris to extend the life of the internal 99.97% efficiency layer. In a 462 sq.ft. area, the 360 m³/hr throughput ensures that air is processed rapidly, preventing the accumulation of stagnant allergens. The PM2.5 sensor provides the control logic with data points to adjust the fan speed within the 33 dB to 61 dB range. From a fluid dynamics perspective, the upward discharge of air creates a localized circulation pattern that covers the entire 462 sq.ft. footprint efficiently. Manual speed control logic allows users to override the 360 m³/hr peak if a quieter 33 dB environment is required. This balance of power and acoustic management is critical for the 462 sq.ft. rating. The integration of smart sensors into the 3-stage filter housing ensures that the high-efficiency media maintains its 99.97% capture rate even under high-load conditions.