High quality and quiet operation. Bigger than I expected though.
Dyson
Dyson Purifier Big+Quiet
Our quietest, most powerful air purifier. Purifies large spaces up to 100m². Three-stage HEPA H13-grade filtration with CO2 sensor.
Key Features
- Most Powerful Dyson Purifier — 100 m² coverage
- 3-Stage Filtration — HEPA H13, K-Carbon, SCO
- Captures 3x More NO2 — advanced catalytic filter
- CO2 Sensing — real-time alerts
Key Features
Engineered for Pure Air
Our quietest, most powerful air purifier. Purifies large spaces up to 100m². Three-stage HEPA H13-grade filtration with CO2 sensor.
Large Space Purification
Purifies Rooms Up to 100 m² — Quietly
Dyson's most powerful air purifier delivers whole-room purification for large spaces while remaining ultra-quiet. Ideal for open-plan living, offices, and family rooms.
Advanced 3-Stage
The Most Advanced Filtration System Yet
HEPA H13 Filter
21 metres of borosilicate microfibres, pleated over 459 times, capture 99.95% of particles as small as 0.1 microns.
K-Carbon Activated Carbon
Captures gases such as benzene and NO₂, and removes cooking, pet, and household odours.
Selective Catalytic Oxidisation
Continuously destroys formaldehyde, converting it into water and CO₂. Captures 3× more NO₂ than previous models.
CO₂ Intelligence
Senses and Reports CO₂ Levels in Real-Time
Built-in CO₂ sensor alerts you when carbon dioxide levels are too high — a common indicator of poor ventilation. The MyDyson™ app delivers live reports and lets you set schedules.
11-Year Filter
Long-Lasting HEPA H13 That Goes the Distance
Engineered for longevity — the HEPA H13 filter can last up to 11 years without replacement, reducing both cost and environmental impact over the machine's lifetime.
Technical Details
Full Specifications
The Dyson Purifier Big+Quiet features our most advanced filtration system yet — three-stage HEPA H13-grade, K-Carbon, and Selective Catalytic Oxidisation filters. Removes gases, odours, dust, allergens, viruses and bacteria. Captures 99.95% of particles as small as 0.1 microns. Long lasting HEPA H13 filter that can last up to 11 years without replacement.
- Room Coverage
- Up to 100 m²
- Filter Life
- Up to 11 years (HEPA H13)
- Filtration
- HEPA H13 + K-Carbon + SCO
- Particle Capture
- 99.95% at 0.1 microns
- Virus Capture
- 99.9%
- CO2 Sensor
- Yes, real-time
- Connectivity
- MyDyson™ App, Voice Control
- Warranty
- 2 Years
Customer Reviews
See Why Customers Love the Dyson Purifier Big+Quiet
Perfect for medium rooms. For larger spaces you might need two.
Works great, but filter replacements are a bit pricey.
Great performance and nice design. Would love more colour options.
The auto mode adjusts perfectly based on air quality. Very smart device.
Very quiet operation, you can barely hear it running. Highly recommended.
Excellent customer service from Pure & Co. Product arrived quickly and well packaged.
Very good product overall. I wish it was a bit more affordable.
The auto mode adjusts perfectly based on air quality. Very smart device.
Very quiet operation, you can barely hear it running. Highly recommended.
Good for daily use. Noise level is acceptable but not the quietest.
Energy efficient and effective. Running costs are very reasonable.
The auto mode adjusts perfectly based on air quality. Very smart device.
Common Questions
Frequently Asked Questions About the Dyson Dyson Purifier Big+Quiet
Yes. All products sold by Pure & Co come with a standard Australian Type I plug (three-pin angled). No adapter needed.
The Dyson Purifier Big+Quiet includes a manufacturer-backed warranty. Duration varies by brand - typically 1 to 5 years. See the product specifications or contact us for details.
Shipping is free on all orders over AUD 50. The Dyson Purifier Big+Quiet (AUD 951) qualifies for free standard delivery Australia-wide.
Yes. The Dyson Purifier Big+Quiet uses HEPA filtration that captures fine smoke particles (PM2.5 and smaller). During bushfire events, close windows and run the purifier on high speed for rapid air cleaning.
Most HEPA filters last 6 to 12 months under normal use. Heavy use during bushfire season, around pets, or in dusty environments may shorten the interval. The unit's filter indicator will alert you when it's time.
Yes. We offer a 30-day return policy on unused products in original packaging. See the Return Policy page for full details.




