Data from Amazon and official Dyson and Winix sites.
2026 verdict
Winix 5520 is the more complete option versus Dyson Purifier Cool PC2 De-NOx in 2026, helped most by price, rating, and filtration. Its clearest strengths are price, rating, and filtration, and it still looks stronger on AHAM verifide. Dyson Purifier Cool PC2 De-NOx is still relevant if you care most about integrations and sensors, but Winix 5520 is the stronger recommendation overall. In practical terms, Winix 5520 is the easier product to recommend.
| Feature | Dyson Purifier Cool PC2 De-NOx | Winix 5520 | Winner |
|---|---|---|---|
| Price | $739.00 | $179.99 | Winix 5520 |
| Rating | 4.4 | 4.6 | Winix 5520 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Matter | Alexa | Dyson Purifier Cool PC2 De-NOx |
| Filtration | HEPA Filter, Activated Carbon Filter | HEPA Filter, Activated Carbon Filter, Washable Pre-Filter, Ionizer | Winix 5520 |
| Sensors | PM2.5, TVOC, Formaldehyde | PM2.5 | Dyson Purifier Cool PC2 De-NOx |
| AHAM Verifide | NO | YES | Winix 5520 |
| Warranty | 2 years | 2 years | Tie |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| Auto Mode | YES | YES | Tie |
13% OFF
$739.00
$849.99
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Matter
- + Sensors: PM2.5, TVOC, Formaldehyde
- - Price: $739.00 vs $179.99
- - Rating: 4.4 vs 4.6
Winner
$179.99
- + Price: $179.99
- + Rating: 4.6
- + Filtration: HEPA Filter, Activated Carbon Filter, Washable Pre-Filter, Ionizer
- - Integrations: Alexa vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Matter
- - Sensors: PM2.5 vs PM2.5, TVOC, Formaldehyde
Frequently Asked Questions
Which is better overall: Dyson Purifier Cool PC2 De-NOx or Winix 5520?
Winix 5520 has the stronger overall profile in this comparison, especially for price, rating, and filtration.
What is the biggest difference between Dyson Purifier Cool PC2 De-NOx and Winix 5520?
Price is one of the clearest differences: Dyson Purifier Cool PC2 De-NOx lists $739.00, while Winix 5520 lists $179.99.
Which one looks better on price?
Dyson Purifier Cool PC2 De-NOx is listed at $739.00, while Winix 5520 is listed at $179.99. Winix 5520 (better spec).
Who should buy Dyson Purifier Cool PC2 De-NOx?
Choose Dyson Purifier Cool PC2 De-NOx if your priority is integrations and sensors and that matters more than price.
Who should buy Winix 5520?
Choose Winix 5520 if your priority is price and rating and that matters more than integrations.
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