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 September 2026
Data from Amazon and 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 price, integrations, and sensors.
It has the clearer edge on price, 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.
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FeatureDyson Purifier Big+Quiet Formaldehyde BP03Dyson Purifier Humidify+Cool PH2 De-NOxWinner
Price$1099.00$925.00Dyson Purifier Humidify+Cool PH2 De-NOx
Rating4.33.6Dyson 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
Warranty2 years2 yearsTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
FiltrationHEPA Filter, Activated Carbon FilterHEPA Filter, Activated Carbon FilterTie
AHAM VerifideNONOTie
Auto ModeYESYESTie

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 price, integrations, and sensors.

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

Price is one of the clearest differences: Dyson Purifier Big+Quiet Formaldehyde BP03 lists $1099.00, while Dyson Purifier Humidify+Cool PH2 De-NOx lists $925.00.

Which one looks better on price?
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 price.

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

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

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