Air Purifiers · Head to head

Dyson Purifier Big+Quiet Formaldehyde BP03 vs IQAir GC MultiGas XE

Full Smart Air Purifiers comparison in 2026

Updated October 2026
Data from Amazon and official Dyson and IQAir sites.
2026 verdict
Between Dyson Purifier Big+Quiet Formaldehyde BP03 and IQAir GC MultiGas XE, Dyson Purifier Big+Quiet Formaldehyde BP03 is the better overall pick in 2026, leading on integrations and sensors.
Dyson Purifier Big+Quiet Formaldehyde BP03
Winner
Dyson Purifier Big+Quiet Formaldehyde BP03

Last recorded priceOct 9, 2026$799.99

Currently unavailable on Amazon USA
See on Amazon USA
It wins the broader comparison through integrations and sensors, while its broader overall balance helps confirm the result. Pick IQAir GC MultiGas XE only when warranty is the deciding factor for your setup. That makes Dyson Purifier Big+Quiet Formaldehyde BP03 the clearer recommendation in 2026.
vs
Deals by email

Air Purifier prices change while you decide

We follow prices across the catalog and email you the best deals we find.

Smart home deals and news, straight to your inbox

Price drops, new releases and the smart home news worth knowing.

No spam. Unsubscribe in one click.

Your subscription could not be saved. Please try again.
Please enter a valid email address.
Tick the box above to finish signing up.
We couldn't verify you're human. Please try again.
Too many attempts. Please try again in an hour.
Your subscription has been successful.
FeatureDyson Purifier Big+Quiet Formaldehyde BP03IQAir GC MultiGas XEWinner
Warranty2 years10 yearsIQAir GC MultiGas XE
IntegrationsGoogle Home, Alexa, Home AssistantHome AssistantDyson Purifier Big+Quiet Formaldehyde BP03
SensorsPM2.5, TVOC, CO2, FormaldehydePM2.5Dyson Purifier Big+Quiet Formaldehyde BP03
Rating4.34.3Tie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
FiltrationHEPA Filter, Activated Carbon FilterHEPA Filter, Activated Carbon FilterTie
AHAM VerifideNONOTie
Auto ModeYESYESTie
IQAir

IQAir GC MultiGas XE

Prime exclusive deal
$1599.99

Last recorded price

Buy on Amazon USA
  • + Warranty: 10 years
  • - Integrations: Home Assistant vs Google Home, Alexa, Home Assistant
  • - Sensors: PM2.5 vs PM2.5, TVOC, CO2, Formaldehyde

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Dyson Purifier Big+Quiet Formaldehyde BP03
  • IQAir GC MultiGas XE

Loading price history...

Frequently Asked Questions

Which is better overall: Dyson Purifier Big+Quiet Formaldehyde BP03 or IQAir GC MultiGas XE?

Dyson Purifier Big+Quiet Formaldehyde BP03 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 IQAir GC MultiGas XE?

Warranty is one of the clearest differences: Dyson Purifier Big+Quiet Formaldehyde BP03 lists 2 years, while IQAir GC MultiGas XE lists 10 years.

Who should buy Dyson Purifier Big+Quiet Formaldehyde BP03?

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

Who should buy IQAir GC MultiGas XE?

Choose IQAir GC MultiGas XE if your priority is warranty and that matters more than integrations.

Full comparison table

Compare all 35 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.

  • 35 Air Purifiers
  • 57 specs compared
  • 54 filters
Open the full comparison
More Air Purifiers

Top Air Purifiers to compare next

35 air purifiers from 10 brands compared: Dyson, Levoit, IQAir, Blueair and more. CADR, room coverage, HEPA filters, filter costs and noise levels.

All Air Purifiers
Dyson

More Dyson products

A sharper look at other Dyson products worth comparing.

Explore Dyson
IQAir

More IQAir products

A sharper look at other IQAir products worth comparing.

Explore IQAir
Price alert

Get an email when the price drops

How much should it drop?

Cancel anytime from the email.

Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
© 2026 Smart Home Compared
Search