Description:
This compact air purifier from BLUEAIR clears small bedrooms and living spaces quietly while reducing common airborne irritants, pets dander and light odors. It cleans up to 926 square feet in an hour according to the manufacturer, making it useful for overnight use or continuous operation when low noise matters.
Key Points
Blue Pure 511i Max focuses on faster cleaning with a quieter operation. The unit runs as low as 19 dB on its lowest fan speed and reaches no more than 48 dB at its highest setting, so it is unobtrusive during sleep or work. The combination of mechanical and electrostatic filtering, marketed as HEPASilent, targets particles down to 0.1 microns and captures allergens, smoke and mold with a reported removal efficiency of at least 99.97% for tiny airborne particles. 🌬️
Smart features include app control, Air Quality monitoring with a color-coded AQI ring, Clean Air ETA and geofencing for Welcome Home routines. Voice control via Alexa is supported, and the top panel has a simple two-button interface with night mode and child lock for straightforward daily use. The purifier includes a pre-installed filter and a removable pre-filter for easier maintenance. 🔄
Technical Specifications
- Name: BLUEAIR Blue Pure 511i Max
- Coverage: up to 926 sq ft per hour (manufacturer figure)
- Noise: 19 dB (low) to 48 dB (high)
- Power input: 110-120 V for North America use only
- Energy consumption: as low as 2.5 W to 20 W depending on fan speed
- Filter options: Particle & Carbon, SmokeBlock, AllergenBlock
Usage Recommendations
Place the purifier in a central spot within the room with unobstructed airflow for best circulation. For bedrooms, use Night mode to benefit from dimmed lights and the ultra-low noise level while maintaining continuous filtration. If pets or smoking are frequent in your household, choose the SmokeBlock or AllergenBlock replacement filters to prioritize odor and fine particle removal. 🐶
Consider that performance claims are from the manufacturer and independent factors like room layout, ceiling height and continuous pollutant sources can affect how quickly the device clears air. Also note this model is intended for North America voltages only, so it may not be suitable where different mains voltages are used.










