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Dyson HP12 Purifier Hot + Cool De-Nox White/Gold
546294-01
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$899
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Product Overview
Key Features
- Purifier, heater and fan for year-round air treatment
- HEPA H13 grade filter, Activated Carbon and SCO filter
- Multiple operating modes and settings
Key Specifications
- Brand:
- Dyson
- Model Number:
- 546294-01
- Compatible Room Size:
- 81m3
- Filters:
- 3 stage HEPA H13 & K-Carbon filtration captures 99.95% of ultra-fine particles, destroys formaldehyde and 50% more NO2 compared to other carbon filters
- Connections:
- Wi-Fi via MyDyson App
- Type:
- Air Purifier
Options
- Functions:
- Night mode, Auto mode
- Settings:
- 10 speeds
Smart Features
- Smart Home Compatible:
- MyDyson App - Control and monitor air quality from anywhere
General Information
- Family:
- Dyson Hot+Cool
- Colour:
- Gold
- Supplier Colour:
- White/Gold
- Max Noise Level (dBA):
- 63
- Additional Features:
- 350 degree oscillation, Automatic filter care notifications, Automatically monitors air quality and adjusts airflow accordingly
Warranty
- Manufacturer's Warranty:
- 2 Year
Options
- Functions:
- Night mode, Auto mode
- Settings:
- 10 speeds
General Information
- Family:
- Dyson Hot+Cool
- Colour:
- Gold
- Supplier Colour:
- White/Gold
- Max Noise Level (dBA):
- 63
- Additional Features:
- 350 degree oscillation, Automatic filter care notifications, Automatically monitors air quality and adjusts airflow accordingly
Product Dimensions
- Product Height (mm):
- 765
- Product Width (mm):
- 248
- Product Depth (mm):
- 248
- Product Weight (kg):
- 5.55
- Cord Length (m):
- 1.8
Box Dimensions
- Box Height (mm):
- 823
- Box Width (mm):
- 280
- Box Depth (mm):
- 280
- Box Weight (kg):
- 8
Product Reviews of Dyson HP12 Purifier Hot + Cool De-Nox White/Gold
Overall Rating Snapshot
4.7 out of 5 stars from 20 reviews
90% of users recommend this product
What customers say, summarised by AI
- Effectively heats, cools, and purifies air; noticeable improvement in air quality
- Easy to set up, app control is handy but connectivity can be slow
- Stylish premium design, fits well in modern interiors
- Powerful heating; quickly warms large rooms in winter
- Operation can get noisy at higher fan settings
- Filters and machine are pricey; heat function uses 2000w of power
Pros
Easy (5)
Quality (4)
Quiet (2)
Cleaning (2)
Reliable (1)
Cons
Speed (1)
Great! All in one!
What a beast, everything in one. Great addition to our studio, heats, cools and purifies!! Noticeable different and the app is quite easy to use. Like all Dyson fans, operates very similar
David L
Confirmed purchase 1 July 2026
Published on 29 July 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Dyson HP12 Purifier Hot + Cool De-Nox White/Gold
Great product. Loving it so far
Cheryl
Confirmed purchase 29 June 2026
Published on 21 July 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Dyson HP2 hot cool - very happy
I’ve been using this Dyson HP2 hot cool and I’m very happy with it. Purchased to use it in my bedroom with a baby. Everything works perfectly.
Lisa
Confirmed purchase 20 February 2026
Published on 14 April 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Dyson Purifier Hot + Cool HP2 De-Nox white / gold
Product is good. Can operate via apps when outside home. Detect air quality and etc
Jeremy
Confirmed purchase 1 February 2026
Published on 24 February 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Dyson!
Love the design and performance
Gurpreet Singh
Confirmed purchase 31 December 2025
Published on 28 January 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
I was expecting more
Too loud
Customer
Confirmed purchase 2 December 2025
Published on 23 December 2025
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Excellent all-in-one purifier
I’m very happy with this Dyson Purifier Hot + Cool HP2 De-Nox. It works brilliantly as a purifier, heater and fan all in one unit. The air quality in my room noticeably improved within a short time, and it’s especially great for reducing odours and dust. The design looks premium, it’s easy to use, and the app control is very convenient. Heating is quick in winter and the cooling airflow is smooth and quiet. Overall, a high-quality product with excellent performance.
Sushant Shrestha
Confirmed purchase 22 November 2025
Published on 19 December 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 16 November 2025
Published on 10 December 2025
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 28 September 2025
Published on 22 October 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 13 September 2025
Published on 8 October 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
You've viewed 10 of 20 reviews
ABOUT THE GOOD GUYS REVIEWS
The Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.
The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
The Dyson HP12 Purifier Hot + Cool De-Nox combines air purification, heating, and cooling in one sleek unit. Ideal for allergy sufferers and families, it automatically captures more nitrogen dioxide for improved air quality. Its versatility suits all seasons, but it’s bulkier than single-function purifiers. Best for those wanting multi-functionality and premium performance.
What it’s great for
- Allergy Relief
- Year-Round Comfort
- Air Quality Improvement
- Odour Reduction
Where it works best
- Living Rooms
- Bedrooms
- Open Plan Spaces
- Family Homes
Who it’s for
- Allergy Sufferers
- Families
- Pet Owners
- Health-Conscious Individuals
Things to consider
Larger footprint and higher price than basic air purifiers; may not suit compact rooms or budget buyers.
Allergy relief score
9/10 - Highly effective HEPA filtration and NO2 removal for allergy and asthma sufferers.
Room size suitability
Medium to large rooms up to 40m²
Pet hair & odour performance
8/10 - Activated carbon filter reduces pet odours; HEPA filter captures hair and dander.
Noise level vs category average
7/10 - Slightly louder on max settings due to combined heating and cooling functions.
Smart home compatibility
Compatible with Dyson Link app for remote control and air quality monitoring.
Key benefits
- NO2 Removal: Captures up to 50% more nitrogen dioxide for improved indoor air quality.
- Heating Function: Provides efficient warmth during winter, eliminating the need for a separate heater.
- Cooling Function: Offers fan-based cooling for summer comfort.
- Automatic Sensing: Adjusts purification levels based on real-time air quality monitoring.
- Year-Round Use: Functions as purifier, heater, and fan for continuous utility.
- Multi-Layer Filtration: Combines HEPA and activated carbon filters for comprehensive particle and gas removal.
- De-Nox Technology: Specifically targets nitrogen oxides, a common urban pollutant.
- Defined Support Period: Backed by Dyson support until at least 31 Dec 2031.
Q: Does the Dyson HP12 Purifier Hot + Cool De-Nox work like an air conditioner in summer?
A: No. The HP12 moves and circulates room air to create a cooling breeze, but it does not refrigerate the air like a split system or portable air conditioner. It is best for personal cooling and airflow, not for lowering room temperature in heatwaves.
Q: Can this Dyson heat the room while it is purifying the air?
A: Yes. The HP12 is designed to heat and purify at the same time, so it can warm the room while filtering airborne particles and some gases. That makes it more useful in winter than a purifier-only model that has no heating function.
Q: What does De-Nox mean on the Dyson HP12?
A: De-Nox refers to gas reduction aimed at nitrogen dioxide and similar pollutants from sources such as gas cooking or traffic drift. It is not the same as adding fragrance or masking odours, and it works alongside particle filtration rather than replacing it.
Q: Is the Dyson HP12 suitable if allergies are the main reason for buying it?
A: Yes, if the main concern is airborne dust, pollen and fine particles, this model is a suitable fit because it combines purification with year-round airflow. It is still important to keep doors and windows usage in mind, as open rooms can reduce purifier effectiveness.
Q: Can the Dyson HP12 replace a dehumidifier or remove damp from a room?
A: No. The HP12 is an air purifier, heater and fan, so it does not pull litres of moisture from the air like a dehumidifier. If condensation, mould or damp laundry drying is the main issue, a dedicated dehumidifier is usually the better match.
Q: Is this Dyson better for one room or for the whole home?
A: It is best treated as a single-room appliance rather than a whole-home solution. Purifiers like the HP12 work most effectively in the room they are placed in, so moving it between a bedroom and living area is more realistic than expecting house-wide coverage.