Updated August 2026
Data from Amazon and official Dyson and Levoit sites.
2026 verdict
Levoit Core 400S-P beats Dyson Purifier Big+Quiet Formaldehyde BP03 in 2026, with its clearest edge on price, rating, and integrations. The comparison tilts its way because of price, rating, and integrations, with AHAM verifide keeping it in front. You should still consider Dyson Purifier Big+Quiet Formaldehyde BP03 if sensors matter more than raw overall balance. As a general recommendation, Levoit Core 400S-P comes out on top.
| Feature | Dyson Purifier Big+Quiet Formaldehyde BP03 | Levoit Core 400S-P | Winner |
|---|---|---|---|
| Price | $900.00 | $181.91 | Levoit Core 400S-P |
| Rating | 4.4 | 4.7 | Levoit Core 400S-P |
| Integrations | Google Home, Alexa | Google Home, Alexa, Home Assistant | Levoit Core 400S-P |
| Sensors | PM2.5, TVOC, CO2, Formaldehyde | PM2.5 | Dyson Purifier Big+Quiet Formaldehyde BP03 |
| AHAM Verifide | NO | YES | Levoit Core 400S-P |
| Warranty | 2 years | 2 years | Tie |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| Filtration | HEPA Filter, Activated Carbon Filter | HEPA Filter, Activated Carbon Filter | Tie |
| Auto Mode | YES | YES | Tie |
18% OFF
$900.00
$1099.99
- + Sensors: PM2.5, TVOC, CO2, Formaldehyde
- - Price: $900.00 vs $181.91
- - Rating: 4.4 vs 4.7
Winner
17% OFF
$181.91
$219.99
- + Price: $181.91
- + Rating: 4.7
- + Integrations: Google Home, Alexa, Home Assistant
- - Sensors: PM2.5 vs PM2.5, TVOC, CO2, Formaldehyde
Frequently Asked Questions
Which is better overall: Dyson Purifier Big+Quiet Formaldehyde BP03 or Levoit Core 400S-P?
Levoit Core 400S-P has the stronger overall profile in this comparison, especially for price, rating, and integrations.
What is the biggest difference between Dyson Purifier Big+Quiet Formaldehyde BP03 and Levoit Core 400S-P?
Price is one of the clearest differences: Dyson Purifier Big+Quiet Formaldehyde BP03 lists $900.00, while Levoit Core 400S-P lists $181.91.
Which one looks better on price?
Dyson Purifier Big+Quiet Formaldehyde BP03 is listed at $900.00, while Levoit Core 400S-P is listed at $181.91. Levoit Core 400S-P (better spec).
Who should buy Dyson Purifier Big+Quiet Formaldehyde BP03?
Choose Dyson Purifier Big+Quiet Formaldehyde BP03 if your priority is sensors and that matters more than price.
Who should buy Levoit Core 400S-P?
Choose Levoit Core 400S-P if your priority is price and rating and that matters more than sensors.
