Dyson Hot Cool HP04 Air Purifier - White Silver

Dyson Hot Cool HP04 Air Purifier - White Silver
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How it works

Say goodbye to allergens and pollutants while enjoying optimal temperatures thanks to the Dyson Pure Hot + Cool Fan Heater. This versatile air purifier circulates hot or cool air, depending on your preference. Boasting built-in sensors, activated carbon filters, and Dyson Link app-integration, this purifier proves to be an excellent home companion. The Dyson HP04 Air Purifier has no grills or blades for ultimate user safety.
Key Features
  • Air Projection Technology: Thanks to this fantastic technology, you can enjoy automatic air purification, as well as whole room heating and cooling.¹ It projects 290 litres of smooth, clean air per second.
  • Innovative and Intuitive: Furnished with three intelligent sensors, it can identify gases and particles in the air. ² Once pollutants are detected, the purifier diagnoses and reports them instantaneously on its display.
  • Multifunctional and Adaptable: This smart appliance packs the capability of a cooling fan, heater, and an air purifier, all in one handy unit. It is excellent for different climate or weather conditions as it can provide warmth or cool purified airflow. Its long-range is perfect for winter months as it can quickly heat a room evenly.³
  • Efficient Operations: It packs 350-degree oscillation and Air Multiplier technology to project air comprehensively throughout the room and keep users comfortable.
  • Dyson Link App: View accurate data in real-time as the compatible Dyson Link App lets you monitor air quality via your smartphone. It provides up-to-date reports of indoor and outdoor air quality and temperature, humidity and filter life. With this, you can also conveniently control the Dyson HP04 with voice commands.
  • Auto Mode: When this mode is enabled, the HP04 will intelligently remove pollutants and automatically maintain your preferred temperature.
  • Diffused Mode: This mode diverts diffused air through the machine's back so that it can purify without cooling.
  • Great Night's Sleep: With its Night-time Mode, the hot and cool fan operates with low-volume and a dimmed display. Rest assured that everyone in the room can sleep comfortably without visual or sound disruptions.
  • Enjoy Cleaner Air: Its activated carbon filters remove harmful gases and capture small particles and allergens like spores, pollens, etc., so you can experience purified air across your space.⁴ Additionally, its sealed HEPA filters take 99.95% of PM0.1.⁵ Easy to maintain, it integrates reminder to notify you if any filter needs a quick change.
  • Remote Control: Comes with a remote control that you can conveniently store on top of the unit.
¹Tested for air projection (DTM801), purification coverage in an 81m3 room (TM-003711), and heating performance in a 35m3 room (DTM 961).
²PM2.5, PM10, VOCs, NO₂
³In maximum setting. Tested for air projection (DTM 801), purification coverage in an 81m³ room (TM-003711) and heating performance in a 35m³ room (DTM 961).
⁴Requires device to run the app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply.
⁵Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Capture rates vary.
All Product Details
Brand Dyson
Product Type Heater
Model Number 257492-01
Colour White/Silver
Heating & Cooling Features
Heater type Ceramic
Fan, Dehum or Purifier Type Bladeless
Number of Speed Setting 10
Child Lock No
Timer Yes
Castors/Wheels No
Air Sensor Yes
Night Mode Yes
Sound Level 46-62 dB
Number of Modes 2
Remote Control Yes
Adjustable Heights No
Type of Circulation Air Multiplier™ technology
Oscillation 350
Airflow Max Settings 310 l/s
Inbuilt Purifier Yes
Filter Type Glass HEPA + Activated Carbon Filter
Humidity Indicator Yes
Swing Louvre No
Filters Out
  • PM2.5
  • Viruses
  • Bacteria
Connectivity Features
App Enabled Yes
Bluetooth v4.0
Google Assistant Compatible No
Alexa Compatible Yes
Home Appliance Power Features
Corded or Cordless Corded
Cord Length 1.8 m
Wattage/Voltage 230-240V 50Hz
Auto Shut Off Yes
Product Width 20.5cm
Product Depth 20.5cm
Product Height 76.4cm
Product Weight 5.71 kg
Manufacturers 24 Months
Dyson Hot Cool HP04 Air Purifier - White Silver is rated 3.7 out of 5 by 3.
Rated 5 out of 5 by from Dyson Pure rocks! Brilliant both heat and aircon remotely controlled. A game changer
Date published: 2019-06-05
Rated 5 out of 5 by from I love my Dyson Hot & Cool Purifier I have one of these units and I absolutely love it. So much so that I am going out to buy another. I will leave one in my bedroom and have one in the lounge now. The remote makes it so easy to change settings.
Date published: 2020-12-17
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We aim to dispatch orders within 2 days. Delivery costs are calculated based on your location and the size of your order. Furniture may take up to 8 weeks to deliver as most products are made specifically for your order. Some goods may take longer to deliver if a product is currently not in stock. A staff member will contact you where this occurs.

Easy returns

If you feel your product has failed a Consumer Guarantee (as defined by New Zealand Consumer Law) then don't worry you can easily return it to your local Harvey Norman store. We'll even pay for the postage if you live in an area where there is no store. Our returns policy covers any purchased item ( conditions apply).

What's in the box
  • 1x Dyson Hot Cool HP04
  • 1x Remote
  • 1x User Guide
Questions & Answers
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Product Care

Protect your purchase with Product Care®. Get a brand new replacement if your product suffers an eligible fault through our hassle free support process, plus enjoy a range of exclusive benefits like a product health check and free prints each year so you experience your new product even more.

Discover all of the benefits Product Care® brings you:


With Product Care® you can relax knowing your purchase is protected. After an assessment, if your product suffers a fault covered by the terms of your plan, we’ll arrange to have a brand new replacement delivered to your doorstep.


Our range of support options ensure you experience an easy and hassle free process when you need to talk to us about your Product Care® plan. Whether you are experiencing a fault, or wanting to redeem your entitlements, we will provide you with guidance and support every step of the way.


Having Product Care® with your purchase means you can enjoy a range of special benefits that are exclusive to you and will help you enjoy the experience of your new product even more.

Conditions apply. This section should always be read in conjunction with the Terms and Conditions for Product Care® Replacement.

Learn more about Product Care®.

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