Updated October 2026
Data from the official Blueair and Winix sites.
2026 verdict
In this 2026 Winix 5520 vs Blueair Blue Signature Small comparison, Winix 5520 comes out ahead thanks to rating, warranty, and filtration.
The main reason it wins is rating, warranty, and filtration, and its broader overall balance strengthens that case. Blueair Blue Signature Small can still be the right pick, but only if price and sensors outweigh the wider strengths of Winix 5520. That keeps the verdict firmly in favor of Winix 5520.
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| Feature | Blueair Blue Signature Small | Winix 5520 | Winner |
|---|---|---|---|
| Price | $179.00 | $179.99 | Blueair Blue Signature Small |
| Rating | 4.5 | 4.6 | Winix 5520 |
| Warranty | 1 year | 2 years | Winix 5520 |
| Filtration | HEPA Filter, Activated Carbon Filter | HEPA Filter, Activated Carbon Filter, Washable Pre-Filter, Ionizer | Winix 5520 |
| Sensors | PM2.5, TVOC | PM2.5 | Blueair Blue Signature Small |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| Integrations | Google Home, Alexa | Alexa, Home Assistant | Tie |
| Auto Mode | YES | YES | Tie |
$179.00
- + Price: $179.00
- + Sensors: PM2.5, TVOC
- - Rating: 4.5 vs 4.6
- - Warranty: 1 year vs 2 years
Winner
$179.99
- + Rating: 4.6
- + Warranty: 2 years
- + Filtration: HEPA Filter, Activated Carbon Filter, Washable Pre-Filter, Ionizer
- - Price: $179.99 vs $179.00
- - Sensors: PM2.5 vs PM2.5, TVOC
Frequently Asked Questions
Which is better overall: Blueair Blue Signature Small or Winix 5520?
Winix 5520 has the stronger overall profile in this comparison, especially for rating, warranty, and filtration.
What is the biggest difference between Blueair Blue Signature Small and Winix 5520?
Price is one of the clearest differences: Blueair Blue Signature Small lists $179.00, while Winix 5520 lists $179.99.
Which one looks better on price?
Blueair Blue Signature Small is listed at $179.00, while Winix 5520 is listed at $179.99. Blueair Blue Signature Small (better spec).
Who should buy Blueair Blue Signature Small?
Choose Blueair Blue Signature Small if your priority is price and sensors and that matters more than rating.
Who should buy Winix 5520?
Choose Winix 5520 if your priority is rating and warranty and that matters more than price.
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