



Dyson Purifier BP04- Big+Quiet Formaldehyde
Dyson BP04 Big+Quiet Formaldehyde is a powerful and whisper‑quiet purifier with dimensions of ~83 × 43 × 41 cm, designed for large rooms and built to detect and permanently destroy formaldehyde while capturing dust, gases, and allergens.
Specification
- Brand: Dyson
- Model: Big+Quiet Formaldehyde BP04
- Type: Air Purifier (no heating function)
- Coverage Area: Up to 100 m² (≈1,080 ft²)
- Filtration System: HEPA H13-grade + K‑Carbon filter + Selective Catalytic Oxidization (SCO) filter
- Airflow Modes: Auto mode, Breeze mode, adjustable angles at 0°, 25°, or 50°
- Oscillation: 50° adjustable airflow or cone projection
- Dimensions: ~83.0 cm (H) × 43.4 cm (W) × 41.5 cm (D)
- Cord Length: 1.8 m
- Power Consumption: Not publicly specified
- Noise Level: Quiet operation up to ~56 dB at full power
- Connectivity: MyDyson™ app, Wi-Fi, voice control (Alexa, Google Assistant, Siri)
- Color: Prussian Blue / Gold
1 Year Warranty
1,099 $
Delivery + Installation 18k/24k
$65
Key Features:
- Dyson Purifier BP04- Big+Quiet Formaldehyde
- Cone aerodynamic design projecting purified air over 32 ft (≈10 m) for whole-room coverage
- Removes 99.97% of fine particles, gases, allergens, odors, and even destroys formaldehyde permanently
- Exclusive K‑Carbon filter absorbs NO₂ up to 3× more than standard carbon filters
- CO₂ sensor alerts when indoor CO₂ levels exceed recommended thresholds
- Advanced sensor suite with algorithm to detect particles, VOCs, CO₂, and formaldehyde in real time
- Acoustically engineered motor bucket with Helmholtz silencer and labyrinth seal for quiet operation even at high power
- Breeze mode simulating natural wind sensation, adjustable airflow angles
- Long filter life: HEPA filter lasts up to 5 years; K‑Carbon filter replaced every 2 years; formaldehyde filter is permanent
- Mobile base with hidden wheels for easy repositioning, even in large rooms