Dyson Hot+Cool HP2 De-NOx Purifier 546294-01
546294-01
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Key Features
- Purifies, heats and cools you.
- Fully sealed to HEPA 13 standard
- Destroys Formaldehyde
- Heats in winter
- Senses and reports
Dyson Hot+Cool HP2 De-NOx Purifier - White/Gold, 546294-01
Dyson’s latest purifier heats your whole room and cools you, with advanced air purification.1 Automatically captures pollutants and gases, destroys formaldehyde2, and adsorbs 50% more NO2.3
Key features:
Purifies, heats and cools you.
Advanced purification1 and engineered for comfort. Delivers fast temperature relief.
Night mode
For lighter sleepers. Monitors and purifies using the quietest settings, along with a dimmed display.
Heats in winter
With long-range projection, it’s quick to heat the whole room evenly.6
Powerful air projection
Air MultiplierTM technology delivers over 290 litres per second of smooth, yet powerful airflow - 350° oscillation circulates purified air throughout the whole room.6
1 Tested for filtration efficiency at 0.1 microns (EN1822), air projection (DTM801), purification coverage in a 81m3 room (TM-003711) and heating performance in a 35m3 room (DTM 961).
2 Third party full machine testing based on GB/T 18801-2022 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldehyde CADR is achieved. Results may vary in practice.
3 Tested to Dyson test method TM-003387. In a 3 cubic meter test chamber, at fan speed 10, at third-party test laboratory (Fraunhofer WKI), comparison against regular activated carbon performance.
4 Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 15 or Android version 8 (or above). Standard data and messaging rates may apply.
5 Refer to the MyDyson app for compatible voice services
6 In maximum setting. Tested for air projection (DTM801), purification coverage in a 81m3 room (TM-003771) and heating performance in a 35m3 room (DTM961).
Specifications
Global
- Model Number: 546294-01
General
- Colour: Gold, White
Features
- App-Control: Yes
- Remote Control: Yes
- Voice Control: Yes
Design
- Fan Speed: 10
Dimensions
- Depth: 434mm
- Height: 830mm
- Width: 415mm
Weight
- Box Weight (Kg): 17.55
- Weight (Kg): 11.9
In The Box & Warranty
- Included: Remote control, 360 Glass HEPA H13 Filter, Activated Carbon Filter, SCO Filter
- Warranty (Years): 2
Why Buy?
Clean Air, Year-Round Comfort — All in One
If you want genuinely clean air in your home without juggling multiple appliances, this Dyson does the heavy lifting across every season — purifying, heating, and cooling from a single sleek unit.
The air quality benefits here go well beyond basic filtration. This purifier is fully sealed to HEPA 13 standard, meaning pollutants are captured and contained rather than leaking back into the room. It also targets formaldehyde — a harmful gas that off-gasses from furniture, flooring, and paint — breaking it down continuously rather than just trapping it. In summer it circulates cool, purified air; in winter it doubles as a heater. You're not just breathing cleaner air, you're breathing air that's been properly cleaned, not shuffled around.
It monitors air quality in real time and reports back, so you always know what's happening in your home. The design is classic Dyson — quiet, compact, and tidy enough to sit in a living room without looking out of place. One appliance handles what used to take three.
Buy This If…
- You want cleaner, healthier air without multiple devices cluttering your space
- You have young children, pets, or allergy sufferers at home
- You're concerned about hidden pollutants like formaldehyde in newer furniture or flooring
- You want heating and cooling sorted without buying separate appliances
- You like to monitor and understand your home environment in real time