Dyson Purifier Big+Quiet Formaldehyde BP03 vs IQAir Atem X comparison

Updated August 2026

Data from Amazon and official Dyson and IQAir sites.

2026 verdict

Across the 2026 comparison, IQAir Atem X earns the nod over Dyson Purifier Big+Quiet Formaldehyde BP03 on the strength of warranty, connectivity, and AHAM verifide. The main reason it wins is warranty, connectivity, and AHAM verifide, and its broader overall balance strengthens that case. The only strong reason to choose Dyson Purifier Big+Quiet Formaldehyde BP03 is if price and integrations are more important to you than the overall verdict. In practical terms, IQAir Atem X is the easier product to recommend.

Dyson

Dyson Purifier Big+Quiet Formaldehyde BP03

20% OFF

$875.00

$1099.99

Buy on Amazon USA

Winner

IQAir

IQAir Atem X

$1399.99

Buy on Amazon USA Buy on Amazon Germany

Price alerts

Air Purifier prices change while you decide

We check the price of every Air Purifier in the catalog daily and email you the drops, whichever one you pick.

Your subscription could not be saved. Please try again.

Your subscription has been successful.

Feature	Dyson Purifier Big+Quiet Formaldehyde BP03	IQAir Atem X	Winner
Price	$875.00	$1399.99	Dyson Purifier Big+Quiet Formaldehyde BP03
Warranty	2 years	10 years	IQAir Atem X
Connectivity	2.4 GHz WiFi	2.4 GHz WiFi, Bluetooth	IQAir Atem X
Integrations	Google Home, Alexa, Home Assistant	Home Assistant	Dyson Purifier Big+Quiet Formaldehyde BP03
AHAM Verifide	NO	YES	IQAir Atem X
Rating	4.3	4.3	Tie
Filtration	HEPA Filter, Activated Carbon Filter	HEPA Filter, Washable Pre-Filter	Tie
Sensors	PM2.5, TVOC, CO2, Formaldehyde	PM2.5, CO2, Temperature, Humidity	Tie
Auto Mode	YES	YES	Tie

Dyson

Dyson Purifier Big+Quiet Formaldehyde BP03

20% OFF

$875.00

$1099.99

Buy on Amazon USA

+ Price: $875.00
+ Integrations: Google Home, Alexa, Home Assistant
- Warranty: 2 years vs 10 years
- Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, Bluetooth

Winner

IQAir

IQAir Atem X

$1399.99

Buy on Amazon USA Buy on Amazon Germany

+ Warranty: 10 years
+ Connectivity: 2.4 GHz WiFi, Bluetooth
+ AHAM Verifide: YES
- Price: $1399.99 vs $875.00
- Integrations: Home Assistant vs Google Home, Alexa, Home Assistant

Frequently Asked Questions

Which is better overall: Dyson Purifier Big+Quiet Formaldehyde BP03 or IQAir Atem X?

IQAir Atem X has the stronger overall profile in this comparison, especially for warranty, connectivity, and AHAM verifide.

What is the biggest difference between Dyson Purifier Big+Quiet Formaldehyde BP03 and IQAir Atem X?

Price is one of the clearest differences: Dyson Purifier Big+Quiet Formaldehyde BP03 lists $875.00, while IQAir Atem X lists $1399.99.

Which one looks better on price?

Dyson Purifier Big+Quiet Formaldehyde BP03 is listed at $875.00, while IQAir Atem X is listed at $1399.99. 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 integrations and that matters more than warranty.

Who should buy IQAir Atem X?

Choose IQAir Atem X if your priority is warranty and connectivity and that matters more than price.

Full comparison table

Compare all 25 Air Purifiers side by side

You are looking at two of them. The full table lines up all Air Purifiers in the catalog with the same specs, so you can filter by what you need and sort by price or rating.