Our Verdict
BLUEAIR BLUEAIR Air Purifier Wins

It offers significantly higher coverage (3385 sq ft vs 1000 sq ft) and CADR (2163.2 vs 640). Choose PuroAir if you need a compact, energy-efficient solution for smaller rooms.
Bottom Line: BLUEAIR BLUEAIR Air Purifier is the better choice. It offers significantly higher coverage (3385 sq ft vs 1000 sq ft) and CADR (2163.
Key Differences
The most significant spec differences at a glance
Cadr Smoke
238% moreCoverage Sq Ft
238% moreAdvantages
Where each product wins
BLUEAIR
- Cadr Smoke: 238% higher (2163.2 vs 640.0)
- Coverage Sq Ft: 238% higher (3385.0 vs 1000.0)
Who Should Buy Which?
Find the right product for your needs
Buy BLUEAIR if...
BLUEAIR Air Purifier for
This air purifier is ideal for homeowners with expansive open-concept living spaces or very large rooms up to 3385 sq ft who prioritize maximum air purification performance. If you have pets, frequent cooking odors, or need significant smoke removal with a high CADR of 2163.2, this is for you. Buyers who appreciate smart home integration, WiFi connectivity, auto-mode, and a stylish design that doubles as a side table will find its premium features and higher price point ($449.99) a worthwhile investment.
Buy PuroAir if...
PuroAir 240 HEPA Air
The PuroAir 240 HEPA Air Purifier (especially as a 2-pack) is perfect for budget-conscious individuals looking to effectively purify multiple standard large rooms or bedrooms, each up to 1000 sq ft. If you prioritize energy efficiency (Energy Star certified), quiet operation, and an automatic smart sensor that adjusts fan speed without needing complex app control, this product is a strong contender. It offers solid 3-layer filtration for common pollutants at a more accessible price point ($279.0 for two units).
Spec Comparison
6 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $450 | $279 |
| Rating | 4.6(177) | 4.6(16.0k) |
| Cadr Smoke | 2163.2 | 640 |
| Coverage Sq Ft | 3385 | 1000 |
| Filter Type | HEPASILENT | HEPA |
| Smart Sensor | Yes | Yes |
| WiFi | Yes | — |
| Energy Star | — | Yes |
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Pros & Cons
Quick overview of strengths and weaknesses
BLUEAIR Air Purifier
- Covers large areas up to 3385 sq ft.
- Removes 99.97% of particles down to 0.1 microns.
- High CADR of 2163.2 for smoke removal.
- OdorFence technology removes strong odors.
- Interactive display animations offer no utility.
- Requires recurring purchase of replacement filters.
- Optimal performance relies on WiFi connectivity.
PuroAir 240 HEPA
- Covers 1,000 sq ft area rapidly.
- High CADR of 640 for effective smoke removal.
- 3-layer filtration removes 99.9% of pollutants.
- Smart sensor automatically adjusts fan speed.
- Requires ongoing cost for filter replacements.
- Specific noise output (dB) not detailed.
- Lacks remote or smartphone app control.
Frequently Asked Questions
Common questions about this comparison
Which air purifier is better for very large open-plan homes?
The BLUEAIR BLUEAIR is superior for very large areas, covering up to 3385 sq ft compared to PuroAir's 1000 sq ft. Its high CADR of 2163.2 also ensures rapid cleaning for extensive spaces.
What is the primary difference in air purification performance?
The main difference lies in coverage and smoke CADR. BLUEAIR cleans 3385 sq ft with a 2163.2 CADR, while PuroAir covers 1000 sq ft with a 640 CADR. BLUEAIR offers substantially greater capacity.
Does either unit offer smart home connectivity or advanced controls?
Yes, BLUEAIR features Smart WiFi and Auto Mode for advanced control and monitoring. PuroAir has a smart sensor to adjust fan speed automatically but lacks WiFi connectivity or remote app control.
Are there any unique design features that differentiate these products?
BLUEAIR stands out by doubling as a side table with a flat top, adding functional furniture utility. PuroAir focuses on efficient, quiet operation in a more traditional air purifier form factor.
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