Refurbished Dyson Purifier Humidify+Cool Formaldehyde PH04 (White/Gold)
Purifies the whole room.¹ Hygienically humidifies.² Cools you. Connects to the MyDyson™ app.
Only at Dyson: Exclusive technology and White/Gold colourway.
Free shipping
One-year warranty
A cleaner, more comfortable environment
The Dyson purifier humidifier is engineered to help improve your air quality. Its activated carbon filter neutralises gases, its HEPA H13 filter captures 99.97% of particles as small as 0.3 microns³ and a catalytic filter destroys formaldehyde.¹ Air Multiplier™ technology then projects purified, humidified air throughout the room² – cooling you when required.
Only at Dyson: Exclusive technology and White/Gold colourway.
Specifications
-
Weight
8.2 kg
-
Product diameter (skirt)
312 mm
-
Product diameter (shrouds)
280 mm
-
Height
923 mm
-
Length
312 mm
-
Width
280 mm
QUEBEC CONSUMERS:
Dyson strives to ensure the availability of spare parts and accessories for your Dyson machines; however, there may be instances where parts are out of stock. Please see below for additional information on Spares and Accessories, Troubleshooting Assistance and User Manuals, and Repair Services.
For Spares and Accessories please visit Spares & Accessories or contact the Dyson Helpline for further assistance.
For Troubleshooting and User Manuals please visit Dyson Support or contact the Dyson Helpline for further assistance.
For Repair Services and other inquiries please visit Support | Customer Service | Dyson or contact the Dyson Helpline for further assistance.
Formulations: Please note that Dyson does not offer repair parts for Dyson Chitosan™ and Dyson Omega ™ Haircare Products. Please contact the Dyson Helpline for further assistance.
Please visit The Dyson Limited Warranty Terms & Conditions for more information on Dyson’s Limited Warranty.
In the box
Refurbished Dyson PH04 Purifier Humidify + Cool Formaldehyde (White/Gold)
-
360° Glass HEPA and Activated Carbon Filter
360 Combi Glass HEPA + Carbon air purifier 2-in-1 filter. We recommend replacing your filter every 12 months or when notified by your machine.
-
Power supply
-
Remote control
Curved and magnetized to store neatly on top of the machine
Purifies and hygienically humidifies the whole room¹ and cools you in summer
Our purifying humidifiers help maintain a cleaner, more comfortable environment all year round. They also deliver cooling airflow whenever you need it.
Machine highlights
-
Circulates purified humidified air and cools
Dyson Air Multiplier™ technology circulates purified and humidified air throughout the room,⁸ and cools you in warmer weather.
-
Night mode and Sleep timer
Purifies using its quietest settings and a dimmed display. Sleep timer enables pre-set intervals of use, between 15 minutes and 9 hours.
-
Real data in real time
Control and monitor your air quality from anywhere using the MyDyson™ app.¹⁰
-
Smart technology with voice control
Control hands-free, using compatible voice services such as Amazon Alexa, Google Assistant or Siri.¹⁰
-
Continuous hygienic humidification
An efficient water management system and a one gallon tank give you up to 36 hours of hygienic humidification without regular refilling.
-
Simple filter changes
Quick and easy filter changes. With automatic reminders on the LCD screen or MyDyson™ app.
Discover the pioneering technology inside
This is a carousel with slides. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Senses and reports, automatically
In Auto mode our purifier reacts automatically to capture pollutants, only using energy when needed. With live air quality reports displayed on the LCD screen or MyDyson™ app.
Senses and reports, automatically
In Auto mode our purifier reacts automatically to capture pollutants, only using energy when needed. With live air quality reports displayed on the LCD screen or MyDyson™ app.
Captures gases and ultrafine particles
HEPA H13 filter captures 99.97% of particles as small as 0.3 microns.³ Activated carbon removes odours and gases, including VOCs.⁵
Captures gases and ultrafine particles
HEPA H13 filter captures 99.97% of particles as small as 0.3 microns.³ Activated carbon removes odours and gases, including VOCs.⁵
Fully sealed to HEPA H13 standard⁹
To prevent pollutants leaking back into the air, it's not just the filter that's sealed to HEPA H13 standard, it's the whole machine. So what goes inside, stays inside.⁹
Fully sealed to HEPA H13 standard⁹
To prevent pollutants leaking back into the air, it's not just the filter that's sealed to HEPA H13 standard, it's the whole machine. So what goes inside, stays inside.⁹
Hygienically humidifies with UV light
Dyson Ultraviolet Cleanse technology exposes every drop of water to a powerful λ275nm UV light to destroy 99.9% of bacteria in the water.²
Hygienically humidifies with UV light
Dyson Ultraviolet Cleanse technology exposes every drop of water to a powerful λ275nm UV light to destroy 99.9% of bacteria in the water.²
Destroys formaldehyde in billions of catalytic tunnels
Dyson's unique catalytic filter continuously traps and converts formaldehyde into water and CO₂. And it never needs replacing.⁶
Destroys formaldehyde in billions of catalytic tunnels
Dyson's unique catalytic filter continuously traps and converts formaldehyde into water and CO₂. And it never needs replacing.⁶
10 airflow speeds with Breeze and Diffused modes
-
Breeze mode
Unique algorithms vary the airflow to mimic a cooling, refreshing breeze.
-
Diffused mode
Diverts airflow through the back of the machine. To purify and humidify, without cooling you.
-
1. Carefully inspected
-
2. Expertly cleaned and tested
-
3. Renewed with genuine parts
-
4. Quality checked and certified
Dyson Renewed FAQs
These are certified refurbished machines that have been previously sold by Dyson and returned.
Each machine is hygienically deep cleaned, tested, and inspected to meet the Dyson quality standard. Genuine Dyson parts are used where replacements are needed.
Unfortunately, refurbished machines cannot be returned and are final sale.
Yes, all refurbished machines are covered by a Dyson warranty – for one or two years. Please check the machine page for complete information on the warranty.
You can split your Dyson Renewed purchase into three equal, interest-free payments which is available at checkout.
Affirm (formerly known as PayBright) is one of Canada’s leading installment payment providers. When you use Affirm to pay at Dyson’s checkout, you can split your purchase into easy, automatic monthly payments. To use Affirm as your preferred payment choice at checkout.
1. Add items to your shopping cart as usual, and select Affirm as your payment method at checkout for orders between $100 and $15,000 (including taxes and shipping).
2. Get set up: Use your mobile phone number and email to set up your Affirm plan within 60 seconds. Subject to credit approval.
3. Confirm your payment plan with Affirm. Dyson will process and ship your order as usual.
4. Make monthly payments to Affirm while you enjoy your purchase.
-
Allergens
An allergen is a substance that can cause an allergic reaction by triggering the body’s immune system. Common indoor allergens include dust mite droppings, pet dander, mold, and pollen.
-
Bacteria
Microscopic, single-celled organisms that exist in their millions, in every environment. Not all bacteria are harmful, but some can have adverse effects, such as E. coli.
-
Benzene
Benzene is colourless, flammable liquid produced by both natural and man-made processes. It’s a natural part of crude oil, gasoline, and cigarette smoke. Indoors, it comes from products such as glues, paints, furniture wax, and detergents.
-
Carbon dioxide (CO₂)
A colourless greenhouse gas, which comes from the extraction and burning of fossil fuels. Increased CO₂ levels can impact cognitive function.
-
Formaldehyde
This colourless, flammable gas is used in some building materials and household products. Sources can include some fabrics found in flooring and furniture, glues, paints, varnishes, air fresheners, and household cleaners.
-
H1N1 virus
This subtype of Influenza A virus, also known as swine flu, caused a global flu outbreak. H1N1 produces respiratory infectious diseases in humans and pigs. Symptoms can be similar to seasonal flu.
-
HEPA 13
HEPA (High Efficiency Particulate Air) is an air filter efficiency standard and a measure of a filter’s performance. To achieve this standard, filters must meet a minimum of 99.97% particle removal at the most penetrating particle size.
-
Humidification
A process of increasing air moisture content through the addition of water vapour or steam. Humidifiers can add moisture to the air in dry conditions, creating a more comfortable indoor environment when needed.
-
Microns
Airborne particles are usually described in microns. One micron is equal to one-millionth of a metre. The human eye can see debris and dust that are approximately 25 microns in size.
-
Nitrogen dioxide (NO₂)
Nitrogen dioxide is a liquid below 21.2 °C and a gas at higher temperatures. It is toxic to humans in both states. Gas stoves and space heaters are the most common indoor sources of NO₂ emissions. Other sources include improperly vented furnaces and water heaters.
-
Pet dander
Pet dander is made up of tiny particles of skin, saliva and urine, shed by animals with fur or feathers. Pet dander lingers in the air before settling on surfaces such as furniture, bedding, and fabrics. Exposure to these airborne particles can trigger allergies.
-
Particulate matter (PM)
Particulate matter contains microscopic solids or liquid droplets, measured in microns. Indoor PM can be generated through many day-to-day activities such as cooking, cleaning, and the burning of candles and fires.
-
Purification
The process of making something free of any contaminants or physical impurities. Air purification is designed to filter the air in your home – removing pollutants such as dust, allergens and viruses.
-
Volatile organic compounds (VOCs)
Volatile organic compounds are potentially harmful gases found in many household products. Common sources include paints, varnishes, air fresheners, cosmetics, and cleaning products.
-
Pollen
Pollen is a powdery substance released from seed plants as part of their reproduction process. It typically appears from trees in the spring, grasses in the summer, and weeds in the autumn. Pollen grains are among the most common allergens.
-
House dust mites
Dust mites are tiny insects that commonly live in household dust. They are one of the biggest causes of allergies. Each gram of house dust contains approximately 1000 dust mites.
-
Aspergillus mold
A common name for a visible group of fungi, mould thrives wherever there is dampness – sending out millions of spores into the air. Exposure to mould occurs via inhalation, skin contact, or ingestion.
¹ 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.
² Tested for purification coverage in an 2860ft³ chamber. Tested for humidification coverage in a 1447ft³ chamber.
³ Gas capture rates vary.
⁴ Tested to DTM-004533.
⁵ Requires device to run 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.
⁶ Based on fan speed 1.
⁷ Fan not air conditioning unit.
⁸Tested by a third-party laboratory. During use, compared to dry ambient air.
Compared to dry ambient air* Dyson purifiers were challenged with airborne influenza A (H1N1 virus), MS2 bacteriophage at an independent lab, using a 30 m3 chamber. After 60 minutes at maximum fan speed, the airborne concentration in the chamber was reduced up to 99.9 %. Real-life efficacy may vary.
*Voted most trusted Air Purifier brand by Canadian shoppers based on the 2025 BrandSpark® Canadian Trust Study.
.png){kind=icon}