Our Verdict
PuroAir 240 Wins

It boasts a CADR (Smoke) of 640 and covers 1000 sq ft, outperforming Shark's CADR 133.33 and 208 sq ft coverage. Choose Shark for real-time particle display and specific filter life.
Bottom Line: PuroAir 240 is the better choice. It boasts a CADR (Smoke) of 640 and covers 1000 sq ft, outperforming Shark's CADR 133.
Key Differences
The most significant spec differences at a glance
Cadr Smoke
380% moreCoverage Sq Ft
380% moreAdvantages
Where each product wins
PuroAir
- Cadr Smoke: 380% higher (640.0 vs 133.33)
- Coverage Sq Ft: 380% higher (1000.0 vs 208.33)
Who Should Buy Which?
Find the right product for your needs
Buy PuroAir if...
PuroAir 240 HEPA Air
The ideal buyer for the PuroAir 240 is someone needing powerful and efficient air purification for genuinely large spaces up to 1,000 sq ft, such as open-plan living rooms or basements. They prioritize maximum smoke, dust, and allergen removal, valuing the exceptional CADR (Smoke) of 640 at a more budget-friendly price point of $159.99. This buyer doesn't require a mobile app or detailed real-time particle count display, instead preferring set-it-and-forget-it operation with a smart sensor, focusing purely on high-volume air cleaning performance.
Buy Shark if...
Shark Air Purifier for
The Shark HP201 suits buyers prioritizing detailed air quality feedback and superior fine particle capture (99.98% of 0.1-0.2 microns) in a moderately sized room (~200 sq ft). They value the real-time air quality display, quiet operation with dimmable lights, and a clear 9-month filter life indicator. This buyer is willing to pay more ($199.99) for enhanced user experience and specific particle filtration, even if it means a lower CADR and less overall coverage for very large spaces, opting for precise monitoring over sheer volume.
Spec Comparison
6 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $160 | $200 |
| Rating | 4.6(15.9k) | 4.6(3.0k) |
| Cadr Smoke | 640 | 133.33 |
| Coverage Sq Ft | 1000 | 208.33 |
| Filter Type | HEPA | Anti-Allergen NANOSEAL HEPA |
| Model Number | PuroAir 240 | HP201 |
| Smart Sensor | Yes | Yes |
| Filter Life Months | — | 9 |
Swipe horizontally to see all columns
Pros & Cons
Quick overview of strengths and weaknesses
PuroAir 240 HEPA
- Covers 1,000 sq ft room in one hour.
- Filters 99.9% of dust, pollen, smoke, VOCs.
- CADR (Smoke) rating is 640.
- Smart sensor adjusts fan speed automatically.
- Filter replacement costs are not specified.
- Lacks mobile app for remote control.
- No specific noise level (dB) provided.
Shark Air Purifier
- Covers up to 1000 sq ft (1 air change per hour)
- Captures 99.98% of 0.1-0.2 micron particles
- Filters smoke, dust, dander, VOCs, and allergens
- Real-time air quality display with particle levels
- Requires filter replacement every 6-12 months
- Uses proprietary filters, limits purchase options
- Smoke CADR is 133.33, low for 1000 sq ft
Frequently Asked Questions
Common questions about this comparison
Which air purifier is better for large rooms?
The PuroAir 240 excels in large rooms, covering 1,000 sq ft with a CADR (Smoke) of 640. The Shark HP201's specified coverage is 208 sq ft with a CADR (Smoke) of 133.33, making it less effective for very large spaces despite marketing claims.
What's the main difference in their air purification performance?
The PuroAir 240 has a significantly higher CADR (Smoke) of 640 and covers 1000 sq ft, compared to the Shark HP201's CADR (Smoke) of 133.33 for 208 sq ft. PuroAir filters 99.9%, while Shark captures 99.98% of smaller particles.
Is the price difference justified between the two?
The PuroAir 240 is more affordable at $159.99 and offers superior coverage and CADR. The Shark HP201 costs more at $199.99, offering a real-time particle display and specific filter life, but lower core purification power.
Which product offers better air quality monitoring?
The Shark HP201 offers a more detailed real-time air quality display with specific particle levels. Both have smart sensors that automatically adjust fan speed, but Shark provides more user-facing data.
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