Blueair Pure 211i Max
Score: 91/100
Shark HP301
Score: 82/100Rankings
The Blueair Blue Pure 211i Max is a high-performance air purifier for large rooms, utilizing HEPASilent™ technology to deliver exceptional CADR ratings and rapid pollutant removal. Its smart app integration and real-time air quality sensors make it a top choice for automated air management, though its bulkier size and single-filter design are notable trade-offs. It is ideal for allergy sufferers and pet owners in large living areas who prioritize cleaning power and efficiency.
The Shark NeverChange Air Purifier Max HP301 is a large-format air purifier designed for whole-home coverage up to 1,300 square feet. Its defining feature is a five-year lifespan True HEPA filter that significantly reduces long-term maintenance costs while combining multi-stage filtration with real-time air quality monitoring. It is highly recommended for those prioritizing sustained air quality improvements with minimal maintenance hassle.
| Attribute | | |
|---|---|---|
674 sq_ft | 1,300 sq_ftbest | |
452 cfmbest | 240 cfm | |
| ↓ lower better | 23 dBbest | 53 dB |
7.5 months | 60 monthsbest | |
| ↓ lower better | 46 wattsbest | 54 watts |
6best | 5 | |
| ↓ lower better | 22.7 lbs | 12.27 lbsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
Coverage Area (sq_ft) | 674 sq_ft | 1300 sq_ft |
Clean Air Delivery Rate (CADR) (cfm) | 452 cfm | 240 cfm |
Noise Level (dB) | 23 dB | 53 dB |
Filtration(1) | ||
Filter Lifespan (months) | 7.5 months | 60 months |
Smart Features(1) | ||
Smart Connectivity / App Control | true | false |
Power & Energy(2) | ||
Power Consumption (watts) | 46 watts | 54 watts |
Energy Efficiency Rating | Energy Star | |
Design(1) | ||
Weight (lbs) | 22.7 lbs | 12.27 lbs |
Controls(4) | ||
Fan Speeds | 6 | 5 |
Control Interface | App/Touch | Not specified |
Sleep Mode | true | false |
Remote Control | true | false |
Products in the top-left offer the best value (high score, low price).
Experts praise its superior performance, highlighting the advanced 360-degree intake design that ensures even airflow and efficient cleaning while automatically adjusting to detected pollutants. Reviewers specifically note that the HEPASilent™ technology operates faster and quieter than traditional HEPA systems.
Everyday users consistently praise the purifier for its rapid pollutant reduction capabilities, seamless app integration for monitoring and scheduling, and exceptionally quiet night mode operation. Recurring complaints focus on the single-filter replacement requirement and the unit's bulkier size.
Professional reviewers award the HP302 a 77/100 rating, praising its unique value proposition and exceptional coverage area. Experts highlight the five-year filter lifespan as a major cost-saving feature, though they question how well the claim holds up under real-world conditions and note limitations regarding medical-grade standards.
Everyday users consistently praise the NeverChange filter system for its long-term cost savings and convenience. Customers report strong airflow, rapid particle removal, and noticeable reductions in household dust.
