Air Purifiers · Head to head

Dyson Purifier Big+Quiet Formaldehyde BP03 vs Dyson Purifier Humidify+Cool PH2 De-NOx

Full Smart Air Purifiers comparison in 2026

Updated November 2026
Data from the official Dyson site.
2026 verdict
In this 2026 Dyson Purifier Humidify+Cool PH2 De-NOx vs Dyson Purifier Big+Quiet Formaldehyde BP03 comparison, Dyson Purifier Humidify+Cool PH2 De-NOx comes out ahead thanks to integrations and sensors.
It has the clearer edge on integrations and sensors, and it stays ahead on its broader overall balance. Dyson Purifier Big+Quiet Formaldehyde BP03 still makes sense if rating is your priority, but most buyers should still lean toward Dyson Purifier Humidify+Cool PH2 De-NOx. Overall, Dyson Purifier Humidify+Cool PH2 De-NOx makes more sense for most people.
Connectivity
  • Wi-Fi 2.4 GHz
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FeatureDyson Purifier Big+Quiet Formaldehyde BP03Dyson Purifier Humidify+Cool PH2 De-NOxWinner
Rating4.23.5Dyson Purifier Big+Quiet Formaldehyde BP03
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterDyson Purifier Humidify+Cool PH2 De-NOx
SensorsPM2.5, TVOC, CO2, FormaldehydePM2.5, TVOC, Formaldehyde, Temperature, HumidityDyson Purifier Humidify+Cool PH2 De-NOx
Price$899.99$899.99Tie
Warranty2 years2 yearsTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
FiltrationHEPA Filter, Activated Carbon FilterHEPA Filter, Activated Carbon FilterTie
AHAM VerifideNONOTie
Auto ModeYESYESTie
18% OFF
Prime exclusive deal
$899.99
$1099.99
  • + Rating: 4.2
  • - Integrations: Google Home, Alexa, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Sensors: PM2.5, TVOC, CO2, Formaldehyde vs PM2.5, TVOC, Formaldehyde, Temperature, Humidity

Frequently Asked Questions

Which is better overall: Dyson Purifier Big+Quiet Formaldehyde BP03 or Dyson Purifier Humidify+Cool PH2 De-NOx?

Dyson Purifier Humidify+Cool PH2 De-NOx has the stronger overall profile in this comparison, especially for integrations and sensors.

What is the biggest difference between Dyson Purifier Big+Quiet Formaldehyde BP03 and Dyson Purifier Humidify+Cool PH2 De-NOx?

Rating is one of the clearest differences: Dyson Purifier Big+Quiet Formaldehyde BP03 lists 4.2, while Dyson Purifier Humidify+Cool PH2 De-NOx lists 3.5.

Which one looks better on price?

Dyson Purifier Big+Quiet Formaldehyde BP03 is listed at $899.99, while Dyson Purifier Humidify+Cool PH2 De-NOx is listed at $899.99. Tie.

Who should buy Dyson Purifier Big+Quiet Formaldehyde BP03?

Choose Dyson Purifier Big+Quiet Formaldehyde BP03 if your priority is rating and that matters more than integrations.

Who should buy Dyson Purifier Humidify+Cool PH2 De-NOx?

Choose Dyson Purifier Humidify+Cool PH2 De-NOx if your priority is integrations and sensors and that matters more than rating.

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