PuroAir 240
Score: 78/100
Shark HP301
Score: 82/100Rankings
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.
The PuroAir 240 is a compact, energy-efficient air purifier designed for rooms up to 1,000 square feet, utilizing a three-layer H14 HEPA filtration system. It features whisper-quiet operation and an auto-adjusting air quality sensor, positioning itself as a high-value option for allergy sufferers. However, the advertised room coverage is optimistic, and it lacks smart app connectivity.
| Attribute | | |
|---|---|---|
1,000 sq_ft | 1,300 sq_ftbest | |
— | 240 cfmbest | |
| ↓ lower better | 22 dBbest | 53 dB |
— | 60 monthsbest | |
| ↓ lower better | 45 wattsbest | 54 watts |
4 | 5best | |
| ↓ lower better | 7.3 lbsbest | 12.27 lbs |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
Coverage Area (sq_ft) | 1000 sq_ft | 1300 sq_ft |
Clean Air Delivery Rate (CADR) (cfm) | cfm | 240 cfm |
Noise Level (dB) | 22 dB | 53 dB |
Filtration(2) | ||
Filtration Type | HEPA H14 | HEPA |
Filter Lifespan (months) | months | 60 months |
Power & Energy(2) | ||
Power Consumption (watts) | 45 watts | 54 watts |
Energy Efficiency Rating | Energy Star | |
Design(1) | ||
Weight (lbs) | 7.3 lbs | 12.27 lbs |
Controls(3) | ||
Fan Speeds | 4 | 5 |
Control Interface | Touch | Not specified |
Sleep Mode | true | false |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the PuroAir 240 for its highly effective H14 HEPA filtration system, whisper-quiet operation, and strong performance-to-price ratio. However, experts criticize the manufacturer's exaggerated marketing claims regarding room coverage and note slower cleaning times with standard filters.
Everyday users consistently praise the intuitive auto mode, rapid sensor response, and quiet performance in larger rooms. Common themes highlight effective relief from allergies and pet dander alongside a straightforward filter replacement process.
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.
