Is the BP03 worth it over a cheaper HEPA purifier?

If formaldehyde from new furniture, paint or flooring is a concern, the BP03's sensor and catalytic filter are features most rivals lack. For plain dust and pollen, a cheaper HEPA unit covers similar space.

How does it compare with the Dyson Purifier Hot+Cool?

The BP03 focuses on long-range purification and formaldehyde, with no heating or cooling fan function. The Hot+Cool models add heating and personal cooling but project air less far.

What area does it cover?

Dyson rates it for rooms up to about 264 square feet. Its long air projection means it can still help in larger open spaces, but the rating is the official guide.

Does it work with Alexa, Google Assistant and Siri?

Yes. It connects over Wi-Fi and Bluetooth and supports Amazon Alexa, Google Assistant and Apple Siri, plus the Dyson app for schedules and readings.

The purifier, a HEPA and carbon filter set, and a remote control. It does not include a separate air quality display.

How often do filters need replacing?

Dyson typically advises replacing the HEPA and carbon filters about once a year, depending on use and air quality. The catalytic formaldehyde filter is designed to last the life of the machine.