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 August 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 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 price and rating are 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.
vs
FeatureDyson Purifier Big+Quiet Formaldehyde BP03Dyson Purifier Humidify+Cool PH2 De-NOxWinner
Price$900.00$1045.00Dyson Purifier Big+Quiet Formaldehyde BP03
Rating4.43.6Dyson Purifier Big+Quiet Formaldehyde BP03
IntegrationsGoogle Home, AlexaGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, 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 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 $900.00, while Dyson Purifier Humidify+Cool PH2 De-NOx lists $1045.00.

Which one looks better on price?

Dyson Purifier Big+Quiet Formaldehyde BP03 is listed at $900.00, while Dyson Purifier Humidify+Cool PH2 De-NOx is listed at $1045.00. Dyson Purifier Big+Quiet Formaldehyde BP03 (better spec).

Who should buy Dyson Purifier Big+Quiet Formaldehyde BP03?

Choose Dyson Purifier Big+Quiet Formaldehyde BP03 if your priority is price and 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 price.

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