Dyson Air Purifier Humidify+Cool Formaldehyde PH04
- Product SKU: 369207-01
- Category: AIR PURIFIERS, Dyson Air Purifiers

- Order within
Product Review:
Overview
The Dyson Air Purifier Humidify+Cool Formaldehyde (PH04) is a multi-functional device designed to purify, humidify, and cool your home while targeting formaldehyde, a harmful pollutant often found in household items like pressed wood or cleaning products. Here's an overview of its key features and performance:
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Air Purification: The PH04 uses HEPA and activated carbon filters to remove 99.97% of particles as small as 0.3 microns, including allergens and pollutants. It also has a catalytic filter that destroys formaldehyde. This makes it particularly useful in homes with air quality concerns due to pollutants from cooking, candles, or wood stoves.
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Humidification: The unit's humidifier feature works effectively, particularly in dry environments. It uses UV-C technology to kill 99.9% of bacteria in the water, ensuring clean, mist-free humidity. The machine automatically adjusts humidity levels based on room conditions and offers real-time feedback via the Dyson app.
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Cooling and Fan Mode: The fan function provides strong airflow without direct discomfort thanks to the "breeze mode" and reverse airflow options, which help distribute cool air evenly across a room.
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Ease of Use: The setup is simple, and the Dyson Link app offers an easy way to monitor air quality and control the device. The unit can also be integrated with smart home devices like Amazon Alexa for hands-free control.
-
Noise and Maintenance: The PH04 operates quietly, even at higher settings, making it ideal for living spaces. The water tank can last for up to 36 hours before needing a refill, and the deep-clean cycle simplifies maintenance.
Overall, while it provides significant benefits for those concerned about air quality and comfort, particularly in homes exposed to formaldehyde or dry air.
Product Description:
Purifier. Humidifier. Fan. All In one.
Automatically senses, captures, and traps pollutants for cleaner air
Detects and destroys formaldehyde¹ and removes 99.9% of bacteria from the water¹⁰
Purifies and humidifies the whole room³
Dyson 2-year warranty
Circulates purified humidified air
Dyson Air Multiplier™ technology mixes and circulates purified, humidified air throughout the room.
Cools you when needed
In warmer weather, a powerful stream of purified, humidified airflow can cool you down.⁸
Auto mode
Constantly monitors your air quality, automatically adjusting airflow to reach and maintain the most comfortable humidity level and react to pollution events.
Continuous humidification
An efficient water management system and a one gallon tank give you up to 36 hours⁶ of hygienic humidification without regular refilling.
Deep clean cycle
Activate the machine's monthly hassle-free Deep clean cycle at the touch of a button. It will guide you through the simple step-by-step process.
Simple filter changes
Built-in reminders show you when your combination filter needs changing. It's quick and easy to do.
App control
Control and monitor air quality from anywhere using the MyDyson app.⁵
Voice control
Control it hands-free with compatible voice services including Amazon Alexa, Siri and Google Assistant.⁵
Night mode
Purifies using the quietest settings and a dimmed display. Sleep timer enables pre-set intervals of use, between 15 minutes and 9 hours.
Backward airflow mode
Diverts airflow through the back of the machine. To purify and humidify, without cooling you.
Breeze mode
Unique algorithms vary the airflow to mimic a cooling, refreshing breeze.
Jet Axis control
Two oscillators guide the airflow – projecting separately, or in unison, so you can choose different airflow modes.
Product Review:
Overview
The Dyson Air Purifier Humidify+Cool Formaldehyde (PH04) is a multi-functional device designed to purify, humidify, and cool your home while targeting formaldehyde, a harmful pollutant often found in household items like pressed wood or cleaning products. Here's an overview of its key features and performance:
-
Air Purification: The PH04 uses HEPA and activated carbon filters to remove 99.97% of particles as small as 0.3 microns, including allergens and pollutants. It also has a catalytic filter that destroys formaldehyde. This makes it particularly useful in homes with air quality concerns due to pollutants from cooking, candles, or wood stoves.
-
Humidification: The unit's humidifier feature works effectively, particularly in dry environments. It uses UV-C technology to kill 99.9% of bacteria in the water, ensuring clean, mist-free humidity. The machine automatically adjusts humidity levels based on room conditions and offers real-time feedback via the Dyson app.
-
Cooling and Fan Mode: The fan function provides strong airflow without direct discomfort thanks to the "breeze mode" and reverse airflow options, which help distribute cool air evenly across a room.
-
Ease of Use: The setup is simple, and the Dyson Link app offers an easy way to monitor air quality and control the device. The unit can also be integrated with smart home devices like Amazon Alexa for hands-free control.
-
Noise and Maintenance: The PH04 operates quietly, even at higher settings, making it ideal for living spaces. The water tank can last for up to 36 hours before needing a refill, and the deep-clean cycle simplifies maintenance.
Overall, while it provides significant benefits for those concerned about air quality and comfort, particularly in homes exposed to formaldehyde or dry air.
Product Description:
Purifier. Humidifier. Fan. All In one.
Automatically senses, captures, and traps pollutants for cleaner air
Detects and destroys formaldehyde¹ and removes 99.9% of bacteria from the water¹⁰
Purifies and humidifies the whole room³
Dyson 2-year warranty
Circulates purified humidified air
Dyson Air Multiplier™ technology mixes and circulates purified, humidified air throughout the room.
Cools you when needed
In warmer weather, a powerful stream of purified, humidified airflow can cool you down.⁸
Auto mode
Constantly monitors your air quality, automatically adjusting airflow to reach and maintain the most comfortable humidity level and react to pollution events.
Continuous humidification
An efficient water management system and a one gallon tank give you up to 36 hours⁶ of hygienic humidification without regular refilling.
Deep clean cycle
Activate the machine's monthly hassle-free Deep clean cycle at the touch of a button. It will guide you through the simple step-by-step process.
Simple filter changes
Built-in reminders show you when your combination filter needs changing. It's quick and easy to do.
App control
Control and monitor air quality from anywhere using the MyDyson app.⁵
Voice control
Control it hands-free with compatible voice services including Amazon Alexa, Siri and Google Assistant.⁵
Night mode
Purifies using the quietest settings and a dimmed display. Sleep timer enables pre-set intervals of use, between 15 minutes and 9 hours.
Backward airflow mode
Diverts airflow through the back of the machine. To purify and humidify, without cooling you.
Breeze mode
Unique algorithms vary the airflow to mimic a cooling, refreshing breeze.
Jet Axis control
Two oscillators guide the airflow – projecting separately, or in unison, so you can choose different airflow modes.
Ace Vacuums Locations:
- Fairfax, VA: 11110 Main Street, Fairfax, VA 22030
- Leesburg, VA: 300 Fort Evans Rd NE, Leesburg, VA 20176
Driving Directions to Ace Vacuums in Fairfax, VA (11110 Main Street, Fairfax, VA 22030)
From Maryland (e.g., Bethesda, Silver Spring, Rockville):
- Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
- Take Exit 45 A-B for VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Be aware this is a toll road.
- Continue on VA-267 W: Stay on the Dulles Toll Road for several miles.
- Take Exit 16 for VA-7 E (Leesburg Pike) / VA-123 S (Chain Bridge Rd): Follow signs for VA-123 South (Chain Bridge Rd).
- Merge onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
- Turn Right onto Main Street (VA-236 W): This will be a significant intersection. You'll continue on Main Street for a short distance.
- Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store. Look for their prominent signage.
From Washington D.C. (e.g., Downtown D.C.):
- Take I-66 W toward Vienna/Centreville/Fairfax: Get onto I-66 West.
- Take Exit 60 for VA-123 S (Chain Bridge Rd) toward Fairfax: Follow the exit ramp.
- Turn Right onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
- Turn Right onto Main Street (VA-236 W): This will be a significant intersection.
- Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
From Northern Virginia (e.g., Arlington, Falls Church, Vienna):
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From Arlington/Falls Church:
- Take US-50 W (Arlington Blvd) or VA-236 W (Main Street) directly into Fairfax: Depending on your starting point, either of these roads will lead you directly to Fairfax.
- Continue on Main Street (VA-236 W):
- Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
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From Vienna:
- Take VA-123 S (Chain Bridge Rd) toward Fairfax: Head south on Chain Bridge Road.
- Turn Right onto Main Street (VA-236 W):
- Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
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From Areas West/Northwest of Fairfax (e.g., Chantilly, Centreville):
- Take US-50 E or I-66 E towards Fairfax.
- If on I-66 E, take Exit 60 for VA-123 S (Chain Bridge Rd). Turn left onto Chain Bridge Rd, then right onto Main Street.
- If on US-50 E, turn right onto Main Street (VA-236 E) in Fairfax.
- Ace Vacuums Fairfax: Ace Vacuums will be on your right side if coming from US-50 E/VA-236 E, shortly after crossing VA-123. Look for Havertys Furniture Store on your left.
Driving Directions to Ace Vacuums in Leesburg, VA (300 Fort Evans Rd NE, Leesburg, VA 20176)
From Maryland (e.g., Bethesda, Silver Spring, Rockville):
- Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
- Take Exit 45 A-B for VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Be aware this is a toll road.
- Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Stay on VA-267 West. This road transitions from the Dulles Toll Road to the Dulles Greenway as you head further west into Loudoun County. Tolls apply for both sections.
- Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg: This is a major exit.
- Continue on VA-7 W: You'll drive for several miles, passing through Sterling and Ashburn.
- Take the Exit for Battlefield Parkway / Fort Evans Road: As you approach Leesburg, look for this exit.
- Turn Right onto Fort Evans Rd NE: After exiting, turn right onto Fort Evans Road NE.
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
From Washington D.C. (e.g., Downtown D.C.):
- Take I-66 W toward Vienna/Centreville: Get onto I-66 West.
- Merge onto VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Tolls apply.
- Continue onto VA-267 W (Dulles Greenway): Stay on the Dulles Greenway. Tolls apply.
- Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
- Continue on VA-7 W:
- Take the Exit for Battlefield Parkway / Fort Evans Road:
- Turn Right onto Fort Evans Rd NE:
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
From Northern Virginia (e.g., Fairfax, Arlington, Ashburn, Sterling):
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From Fairfax:
- Take VA-123 N (Chain Bridge Rd) to access VA-267 W (Dulles Toll Road) or take I-66 W to VA-267 W: Your best bet is to get onto VA-267 West (Dulles Toll Road).
- Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Tolls apply.
- Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
- Continue on VA-7 W:
- Take the Exit for Battlefield Parkway / Fort Evans Road:
- Turn Right onto Fort Evans Rd NE:
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
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From Ashburn / Sterling / Eastern Loudoun County:
- Take VA-7 W (Harry Byrd Hwy) directly toward Leesburg: This is the most direct route.
- Take the Exit for Battlefield Parkway / Fort Evans Road:
- Turn Right onto Fort Evans Rd NE:
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
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From Western Virginia (e.g., Winchester):
- Take US-7 E (Harry Byrd Hwy) toward Leesburg:
- In Leesburg, after passing the Leesburg Premium Outlets on your left, prepare for the Fort Evans Road / Battlefield Parkway exit.
- Take the Exit for Fort Evans Road / Battlefield Parkway.
- Turn Left onto Fort Evans Rd NE: You'll go over VA-7.
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot.
Shipping Policy
Return Policy
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Report Issues Promptly: Inspect your shipment upon arrival. Any shortages or defects must be reported within 7 days of delivery or they cannot be addressed.
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Return Window: Unused items in their original packaging may be returned within 15 days of delivery for a full refund. After 15 days and up to 30 days, only an exchange or store credit is offered, provided the item is unused and in its original packaging. Products returned beyond 30 days will not be accepted.
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Restocking Fees: A standard restocking fee of 15 % applies to all approved returns. Used, damaged, or incomplete items may incur a restocking fee of up to 50 % or be refused entirely.
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Final Sale Items: All discounted items, trade‑ins, holiday promotions, price‑matched goods, and air purifiers are final sale and not eligible for return or exchange.
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No Cash Refunds: Refunds will be issued to the original payment method. Shipping charges are non‑refundable and return shipping is the customer’s responsibility unless the return is due to our error.
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Return Authorization Required: Before returning any item, you must contact our customer service at 1‑888‑606‑8885 (Mon–Fri, 10 a.m.–7 p.m. EST) to obtain return instructions and the correct return address. Unauthorized or COD returns will not be accepted.
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Processing Time: Once your return is received and inspected, please allow up to 10 business days for processing.
We recommend including a copy of your receipt and your contact information with all returns to ensure prompt service.
Ace Vacuums is a trusted, community-focused business committed to delivering top-tier vacuum cleaner services, expert repairs, and high-quality solutions. Conveniently serving Loudoun Counties and Fairfax Counties (Alexandria, Annandale, Burke, Centreville, Chantilly, Clifton, Dunn Loring, Fairfax, Fairfax Station, Falls Church, Fort Belvoir, Great Falls, Herndon, Lorton, McLean, Oakton, Reston, Springfield, Vienna, West Mclean, Aldie, Ashburn, Chantilly, Dulles, Hamilton, Leesburg, Lincoln, Lovettsville, Middleburg, Paeonian Springs, Philomont, Purcellville, Round Hill, Sterling, Waterford), At AceVacuums, we proudly serve Virginia, Maryland, and Washington, D.C., offering 25+ years of expertise in vacuum repair, air purification, and maintenance.
Did you know that 95% of people purchase vacuum cleaners and air purifiers from big-box stores like Walmart or online marketplaces like Amazon? While these platforms offer convenience, they don't provide expert repair services, warranty support, or genuine replacement parts when your vacuum needs servicing. That's where AceVacuums comes in!
As your trusted vacuum repair and warranty service center, we specialize in vacuum repairs, central vacuum maintenance, and warranty support for all major brands. Unlike big-box stores, we use only genuine vacuum parts, ensuring long-lasting performance. We offer free vacuum repair estimates and same-day repair services (if parts are available), so you don't have to wait weeks for a solution.
Visit AceVacuums, an authorized dealer and warranty center for Miele, SEBO, Dyson, Riccar, Simplicity, Hoover, Kenmore, Shark, Bissell, Oreck, Kirby, Electrolux, Titan, MD Central Vacuums & more!. We provide expert vacuum repair, warranty service, and same-day repairs (if parts are available), all performed by certified technicians. Get free repair estimates and genuine replacement parts for all vacuum brands.
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