Blueair air purifiers are renowned for their advanced HEPASilent technology and quiet operation, designed to improve indoor air quality efficiently. Whether you need a purifier for a small bedroom or a large living room, Blueair offers a range of models tailored to different room sizes and filtration needs. Below is a summary table of top Blueair air purifiers along with key features to help you find the best fit for your space.
| Product | Room Size Coverage | Noise Level | Filtration Technology | Link |
|---|---|---|---|---|
| Blue Pure 311i Max | Up to 1,858 sqft in 1 hour | 23-50 dB | HEPASilent dual filtration | View on Amazon |
| Blue Pure 511i Max | Up to 926 sqft in 1 hour | 19-48 dB | HEPASilent dual filtration | View on Amazon |
| Blue 211+ Auto | Up to 2,640 sqft in 1 hour | 23 dB (low) | HEPASilent dual filtration, auto mode | View on Amazon |
| Blue Pure 511 | Up to 432 sqft in 30 min | 24-49 dB | HEPASilent dual filtration | View on Amazon |
| Classic Pro CP7i | Up to 1,413 sqft in 30 min | Non-intrusive sound | Dual fan, dual filter, HINS Pure technology | View on Amazon |
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Blue Pure 311i Max Air Purifier for Medium Rooms

Blue Pure 311i Max is part of BLUEAIR’s top-performing Pure Max series featuring patented HEPASilent dual filtration technology. This purifier cleans up to 1,858 sqft in one hour, making it ideal for large bedrooms, kitchens, and medium-sized rooms. Its noise level ranges from 23 to 50 dB, certified by Quiet Mark, ensuring minimal disturbance. The advanced filtration system combines mechanical and electrostatic filtration, delivering 83% faster cleaning than traditional HEPA filters while using 50% less noise and energy. Users benefit from cleaner air faster with less noise, reducing allergens, viruses, dust, mold, and smoke effectively.
Blue Pure 511i Max Air Purifier for Small Rooms

This model is designed specifically for small rooms and bedrooms, covering up to 926 sqft in one hour. The Blue Pure 511i Max operates at an ultra-quiet 19 dB on its lowest setting, making it suitable for nighttime use without disrupting sleep. Its HEPASilent dual filtration provides fast relief from allergens, pet dander, viruses, and airborne pollutants, cleaning 465 sqft in 30 minutes. The purifier also features a Night Mode that dims lights completely and maintains silent operation. This makes it an excellent choice for people sensitive to noise and light disturbances during sleep.
Blue 211+ Auto Air Purifier for Large Rooms

The Blue 211+ Auto is a powerhouse purifier ideal for large rooms up to 2,640 sqft. It features an auto-adjust mode with a particle sensor to monitor and react to air quality changes in real-time. The LED indicator displays air quality levels visually with blue, orange, and red lights, helping users track pollutant levels. The HEPASilent filtration cleans air up to 45% faster while producing 67% less noise compared to traditional HEPA purifiers. Additionally, it is ENERGY STAR rated for low energy consumption, costing less to operate than an LED bulb on low.
Blue Pure 511 Compact Air Purifier for Bedrooms

The Blue Pure 511 offers a compact footprint designed for bedrooms, nurseries, or home offices. It cleans spaces up to 432 sqft in 30 minutes with whisper-quiet operation as low as 24 dB. Using HEPASilent dual filtration, it removes 99.97% of particles down to 0.1 microns, effectively capturing bacteria, viruses, dust, pollen, and smoke. Its quiet performance and efficient particle removal make it well-suited for sensitive environments where clean air is crucial but space is limited.
Classic Pro CP7i Premium Air Purifier for Large Rooms

The Classic Pro CP7i offers advanced dual fan and dual filter design, combining powerful airflow with efficient particle filtration for spaces up to 1,413 sqft in 30 minutes. It uses unique HINS Pure technology, which emits a safe blue light every 10 minutes to sterilize airborne pathogens proactively. This repeated sterilization cycle provides continuous protection from viruses and bacteria. The unit balances high performance and quiet operation, delivering clean air from two side outlets efficiently, suitable for large living rooms or home offices where sustained purification is desired.
Buying Guide for Blueair Air Purifiers
Choosing the right Blueair air purifier depends on several key factors:
- Room Size Coverage: Match purifier capacity to your room size for effective air cleaning. Models cover from small bedrooms (~400 sqft) to extra-large spaces (>2,600 sqft).
- Filtration Technology: Blueair’s proprietary HEPASilent filters combine mechanical and electrostatic filtration for faster, quieter performance compared to traditional HEPA filters.
- Noise Levels: Assess noise ratings in dB; models range from whisper-quiet (around 19-24 dB) to moderate levels (~50 dB) suitable for different environments, especially bedrooms.
- Energy Efficiency: ENERGY STAR-rated units use less power, lowering operational costs over time.
- Additional Features: Auto mode with air quality sensors can optimize performance by adjusting fan speed; some models offer app connectivity for real-time air monitoring.
- Special Technologies: Consider models with added sterilization like HINS Pure technology for ongoing pathogen control.
- Portability and Size: Compact designs are ideal for smaller spaces and easy movement, while larger models offer greater capacity but require permanent placement.
Evaluating these aspects helps ensure you select a Blueair air purifier that meets your specific needs, creating a healthier home environment free from allergens, dust, smoke, mold, and viruses.