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Your basket has items in it Click to view the basket Continue to basket Secure Checkout Dyson Purifier Hot+Cool Formaldehyde HP09 (White/Gold) $849.99 Explore Overview Dyson Purifier Hot + Cool Formaldehyde™ HP09 Reviews Our models Dyson Purifier Hot+Cool Formaldehyde HP09 (White/Gold) Dyson Purifier Hot+Cool Formaldehyde™ HP09 (Nickel/Gold) Home Shop Air treatment Air Purifier + Heat Dyson Purifier Hot+Cool Formaldehyde™ HP09 Add to Basket Close Notify me *Required fields Email address* Sorry, this machine is currently out of stock. Please leave us your email address if you'd like us to notify you when it or another substantially similar machine is available. Unless you've previously opted in to receive marketing emails from Dyson, you will receive only one notify me email in relation to this or another substantially similar machine when back in stock. Notify me Close Notify me Email address* Sorry, this machine is currently out of stock. 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Notify me Best seller 3.6 stars out of 5 from 136 Reviews 3.6 /5 136 Reviews Video Transcript Open video transcript Close In stock White / Gold Choose Color (2) - Options $849.99 Add to Basket Dyson Purifier Hot+Cool Formaldehyde purifying fan heater (White/Gold) Automatically senses, captures, and traps pollutants for cleaner air Detects and destroys formaldehyde¹ Purifies and heats⁶ the whole room² 2-year warranty Video Transcript Open video transcript Close See it in action Gallery Dyson Purifier Hot+Cool Formaldehyde™ HP09 (White/Gold) Gallery Dyson Promotion Re-engineered to deliver 50% cleaner air* Dyson's most advanced filtration system combines a precise, solid-state formaldehyde sensor with a unique catalytic filter that continuously destroys formaldehyde.¹ An activated carbon filter removes gases and odors and a HEPA filter captures 99.97% of particles 0.3 microns in size. And Dyson purifiers have powerful Air Multiplier™ technology to purify and heat the whole room.² Price match promise Prices matched daily Free shipping Exclusions apply 2-year warranty Includes parts and labor Money-back guarantee Free 30-day return policy* Price match promise Price Match Promise Be confident that you’re getting the best price on Dyson.com. If within 30 days of purchase you should find the same model currently advertised at a lower price by an authorized US Dyson retailer or by Dyson on a third party marketplace site, we'll refund you the difference if the below details are satisfied. Visit  dyson.com/pricematch , the chatbox on Dyson.com, or contact our Customer Service team at  1-866-693-9766  to get started. Here are the details you need to know: Machine must be the exact same model number as it appears on Dyson.com and in stock. You can identify the machine serial number on the box or on the product itself. To locate the serial number on your product, please visit dyson.com/serial-number-help for location details by specific machine. Proof of advertised price by an authorized dealer is required (Valid copy of flyer or website URL required. Advertised price must be the listed price; membership/loyalty, promo code entries or like discounts are not eligible for price matching). Authorized new product dealers are limited to Amazon.com 1st Party, Home Shopping Network (HSN), Best Buy, Costco, Home Depot, Lowes, QVC, Sam's Club, and Target. Authorized refurbished machine dealers are limited to Nordstrom Rack, Woot and Zulily. Excludes third party marketplace sellers other than Dyson. Machine must be new and in original packaging. It cannot be used, damaged, returned, open box, "close out", "clearance" or a demonstrator machine. Machine price must not be lower due to an advertising error or misprint.  Hair care machine and accessories, which include, but are not limited to, the Dyson Supersonic™, Dyson Airwrap™, Dyson Corrale™, and Dyson Airstrait™ are not eligible for price matching. Lower price will not be honored if the result of a violation of a Dyson unilateral advertising or pricing policy or if doing so would result in a violation of a Dyson policy. Dyson reserves the right to rescind this offer at any time and/or modify these terms and conditions as needed. Free 2-day shipping Free shipping - Exclusions apply Please allow 1-2 business days for order processing. The shipping cost of machines (vacuum cleaners, fans, heaters, humidifiers, purifiers, hair dryers, and lighting) is free of charge when ordering on Dyson.com for select zip codes. Eligibility varies by location of item, availability, and the shipping address zip code. In-stock orders received by 12:00 PM Eastern Time Monday-Friday will usually ship same day. Orders will usually ship the next business day if received after 1:00 PM Eastern Time, on Saturday-Sunday, or on public holidays. All spares and accessories will ship separately, and be delivered between 5-7 business days. Any items not part of an order containing a machine will incur a $8.95 shipping and handling charge. On acceptance of orders, Dyson will make every effort to process them within the stated time frame. Dyson will not be held liable for shipping delays caused by severe weather or unforeseen events. To ensure the security of purchases, Dyson may need to contact customers to validate orders, which may cause delays. Transit time may vary depending on proximity to distribution center and inventory availability. Dyson only ships to US delivery addresses in the 50 states, cannot deliver to PO boxes or APO/FPO addresses, and cannot guarantee scheduled delivery to Hawaii and Alaska. 2-year parts and labor warranty Dyson parts and labor warranty All Dyson cordless vacuums, purifiers, humidifiers, heaters, fans, wearables and hair dryers are covered by our 2-years parts and labor warranty. All Dyson upright and canister vacuums are covered by our 5-years parts and labor warranty. But we'll still be here when yours runs out; we provide Dyson technology owners with a lifetime of support. If you need to contact Dyson for advice, you'll speak to a Dyson employee in our US office. Phone, email, live chat, Facebook, Twitter; our experts are on hand. And for out-of-hours assistance, you can find quick answers on our help pages. And when you buy from dyson.com, we register your warranty automatically - you won't have to fill in any more forms. 30-day money-back guarantee Money-back Guarantee If you’d like to return a Dyson machine* for a full refund, you need to return the machine, accessories, and attachments within 30 days from the delivery date. For purchases made at a Dyson Demo Store or Dyson Service Center, a return must be made within 30 days from the purchase date. Dyson Direct will pay for return shipping. *This policy excludes wearable devices such as Dyson Zone. Dyson Zone has a 14 day refund policy from the shipped delivery date. If purchased in a Dyson Demo Store or Service Center location, a return must be made within 14 days from the purchase date. Dyson Direct will pay for return shipping. Customer Service Helpline If you have questions please contact us. You can email or call: questions@dyson.com  - Our Digital Support team is available 24 hours a day, 7 days a week. Most inquiries are handled within two hours or less 1-866-MY-DYSON (1-866-693-9766) - Our Helpline is available from 8am - 8pm Monday to Friday, and 9am-6pm Saturday (closed Sunday). Dyson Direct Returns Policy If you wish to return any product purchased from Dyson Direct, please contact our toll-free Contact Center at 1-866-MY-DYSON (1-866-693-9766) or visit  dyson.com/returns  prior to returning your merchandise. To receive a full refund for an item purchased from Dyson, please follow these three steps: Call the Contact Center to initiate your return and to identify the correct return shipping address and method. Package the item(s) to be returned in the original Dyson packaging. Send your returned item(s) shipping prepaid to Dyson within 30 days of purchase for a full refund. Unauthorized or COD returns will not be accepted.* *This policy excludes wearable devices such as Dyson Zone. Dyson Zone has a 14 day refund policy from the shipped delivery date. Send your returned Dyson Zone shipping prepaid to Dyson within 14 days of purchase for a full refund. Unauthorized or COD returns will not be accepted. Please allow 4-8 weeks for return processing. Products returned to Dyson will receive a full refund and Dyson will pay for the return shipping. Dyson Purifier Hot+Cool Formaldehyde™ HP09 (White/Gold) Overall rating 3.6 stars out of 5 from 136 Reviews 3.6 /5 136 Reviews 56% of reviewers would recommend to a friend. 5.0 stars out of 5 from Reviewed on May 7, 2021 Reviews 5.0 /5 Reviewed on May 7, 2021 Top notch purifier Richard0211 Been a big fan of Dyson product for many years... and I would say this new Dyson Purifier does not disappoint. It has amazing features, it blows cool and fresh air I'm using it in 4 or 5 and it's perfect already, I can't imagine using it on the highest level 10. The remote is top both plus the Dyson app. You can actually use it with Alexa or Siri For voice commands. Read more Read all reviews Technology Senses and reports, automatically Integrated sensors constantly analyze your air, while our unique algorithm cross-checks data every second. It diagnoses pollutants at a molecular level, displaying live results on the LCD. Captures gases and ultrafine particles The HEPA filter captures 99.97% of particles 0.3 microns in size. A layer of activated carbon also removes odors and gases including VOCs. Destroys formaldehyde, continuously The Dyson catalytic filter continuously traps and breaks down formaldehyde molecules¹ into water and CO₂. And it never needs replacing. Purifies the whole room Only Dyson purifiers have Air Multiplier™ technology. It generates the circulation power to draw even distant pollutants into the machine, projecting purified air throughout the room.² Fully sealed to HEPA H13 In our latest purifiers, it's not just the filter that meets HEPA H13 standard, it's the whole machine.³ So what goes inside, stays inside. Precisely detects formaldehyde Our latest purifiers use a solid-state sensor to detect formaldehyde molecules 500 times smaller than 0.3 microns and maintains precision for the lifetime of the machine. Features Heats when needed⁶ With long-range projection, it’s quick to heat the whole room evenly.² Cools you when needed A powerful stream of purified airflow can cool you down when desired. Backward airflow mode Diverts airflow through the back of the machine. To purify, without cooling you.⁴ App control Control and monitor your air quality from anywhere using the MyDyson app⁵. Heating cannot be controlled via the MyDyson app due to safety standard UL 1278, as required by the US government. Please use remote to control heating. Voice control Control it hands-free with compatible voice services. Works with Amazon Alexa, Apple Siri, and Google Home. 5 Oscillates up to 350 ̊ Adjustable oscillation projects purified air around the whole room. Night mode For lighter sleepers. Monitors and purifies using the quietest settings, along with a dimmed display. Easy filter care The filter is quick and easy to change. With automatic filter-life notifications on the LCD or MyDyson app. Remote Curved and magnetized to store neatly on top of the machine. Parent Tested Parent Approved Awarded the PTPA seal of approval. The seal of approval families trust. Specifications Weight 12.6 lb Oscillation/Angle 350 degrees Cord length 6 ft Number of speed settings 10 HEPA filter HEPA H13 Height 30 in Length 5 in Width 9.8 in In the box Dyson Purifier Hot+Cool Formaldehyde™ HP09 (White/Gold) 360 Combi Glass HEPA + Carbon air purifier 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. Remote control Curved and magnetized to store neatly on the machine Featured air treatment articles Cleaner air, cleaner home: how to maintain a healthier space during home renovations Moving and home makeovers involve new furniture and paint, which could add to the levels of a potentially harmful pollutant called formaldehyde in the home. Here's how to maintain a healthier space during moves and renovations. Continue reading Formaldehyde: the invisible indoor pollutant Although the smell of new paint might fade over time, the emission of potentially harmful gases, such as formaldehyde, can persist. Pollutants like these can continuously ‘off-gas’ for a number of years – but what exactly is formaldehyde and why is it in our homes?   Continue reading Replacement filter Shop now User guide Check your user guide online, or download a copy. PDF 9.10 MB Choose your model Previous Video Transcript Open video transcript Close Best seller Dyson Purifier Hot+Cool Formaldehyde™ HP09 (White/Gold) 3.6 stars out of 5 from 136 Reviews 3.6 /5 136 Reviews 136 Reviews Dyson Purifier Hot+Cool Formaldehyde™ HP09 (White/Gold) 5 Star 64 4 Star 18 3 Star 14 2 Star 9 1 Star 31 Read all reviews Detects and destroys formaldehyde.¹ Automatically senses, captures and traps pollutants. Re-engineered to deliver 50% cleaner air.* Control with remote, MyDyson app, voice services.⁵ Color:  White / Gold Options Nickel/Gold White / Gold What's included See all Hide 360 Combi Glass HEPA + Carbon air purifier 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. Remote control Curved and magnetized to store neatly on the machine $849.99 Installment options with & Close Notify me *Required fields Email address* Sorry, this machine is currently out of stock. Please leave us your email address if you'd like us to notify you when it or another substantially similar machine is available. Unless you've previously opted in to receive marketing emails from Dyson, you will receive only one notify me email in relation to this or another substantially similar machine when back in stock. Notify me Add to Basket See details Video Transcript Open video transcript Close Dyson Purifier Hot+Cool Formaldehyde™ HP09 (Nickel/Gold) 3.6 stars out of 5 from 136 Reviews 3.6 /5 136 Reviews 136 Reviews Dyson Purifier Hot+Cool Formaldehyde™ HP09 (Nickel/Gold) 5 Star 64 4 Star 18 3 Star 14 2 Star 9 1 Star 31 Read all reviews Detects and destroys formaldehyde.¹ Automatically senses, captures and traps pollutants. Re-engineered to deliver 50% cleaner air.* Control with remote, MyDyson app, voice services.⁵ Color:  Nickel/Gold Options Nickel/Gold White / Gold What's included See all Hide 360 Combi Glass HEPA + Carbon air purifier 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. Remote control Curved and magnetized to store neatly on the machine original price: Was $849.99 current price: $649.99 Save $200.00 Installment options with & Close Notify me *Required fields Email address* Sorry, this machine is currently out of stock. Please leave us your email address if you'd like us to notify you when it or another substantially similar machine is available. Unless you've previously opted in to receive marketing emails from Dyson, you will receive only one notify me email in relation to this or another substantially similar machine when back in stock. Notify me Add to Basket See details Next Play Video Play Video Compare Dyson Promotion *Compared to Dyson Pure Cool purifying fan (TP01/AM11) ¹Third party full machine testing based on GB/T 18801-2018 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldehyde CADR is achieved. Results may vary in practice. ²In maximum setting. Tested for air projection (DTM801), purification coverage in a 2860ft3 room (TM-003711), and heating performance in a 1236ft3 room (DTM961).   ³Particle challenge by DEHS oil specified in EN1822 within chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%. ⁴Not applicable to heating 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 ⁶This machine is compliant with safety standard UL 1278, as required by the US government. For this reason, heating and temperature control are not available in the Dyson Link app. Please use your machine’s remote control instead. Owner support Register your machine Find the right part Find a replacement filter Expert support Home Shop Air treatment Air Purifier + Heat Dyson Purifier Hot+Cool Formaldehyde™ HP09 United States Change language or region Sign up for Dyson emails Find Dyson Demo Stores Dyson Outlet Explore Dyson Community Fans and heaters Repairs and servicing information Warranty Terms Returns policy Support Order status Financing Counterfeit Machines Contact us Dyson Knowledge Dyson Insights Sustainability Company information Careers James Dyson Foundation James Dyson Biography James Dyson Book: Invention: a Life Terms & Conditions Privacy Policy Cookies Policy Cookie Settings Modern Slavery Act Statement Accessibility Statement Safety recall © Dyson 2023 We'll notify you at We're sorry, but something went wrong. Please try again.