Questions & Answers
- Model:
- 497044-01
- |
- SKU:
- 6451337
Q: QuestionWhy does my purifier keep turning off?
Asked by Suzie.
- A:Answer Hello, Suzie thank you for reaching out regarding your Dyson air purifier. We understand how concerning it can be when your device keeps turning off. To resolve this issue, we recommend contacting Dyson customer support directly. They will be able to assist you in diagnosing the problem based on your purifier’s specific model and usage details. You can reach Dyson customer support at [email protected] or through their website. If you have any further questions or need additional assistance, please feel free to let us know. We are here to help.
Answered by Dyson Team
Q: QuestionI am trying to find the best space heater for my 30 x 30 ft yurt. The Dyson Hot + Cool is beautiful...but does it do a good job of heating large spaces? Which Dyson Hot + Cool model heats the largest amount of square footage?
Asked by Erica.
- A:Answer Hello, thank you for your question about heating your 30 x 30 ft yurt with the Dyson Hot + Cool. The Dyson Purifier Hot + Cool Formaldehyde HP09 is designed to purify, heat, and cool rooms up to approximately 370 square feet. While it can effectively heat medium to large-sized spaces, it may not be sufficient for your yurt's size. For larger spaces, you might consider additional heating solutions or combining the Dyson Hot + Cool with another heater to ensure adequate warmth. If you have any further feedback or need assistance with the product, please email us at [email protected] We would be delighted to assist you further.
Answered by Dyson Team
Q: QuestionWhat is the heater BTU rating
Asked by Georgelulu.
- A:Answer Hi, thank you for your interest in the Dyson Purifier Hot + Cool Formaldehyde - HP09. The heater in this model is designed to provide efficient heating, but Dyson does not specify the BTU rating for this product. Instead, it uses PTC ceramic plates to heat the air as it’s projected, ensuring fast and even room heating. If you have any questions or need further assistance, please email us at [email protected] We would be delighted to assist you further.
Answered by Dyson Team
Q: QuestionHow many square feet of a room does this dyson purify
Asked by Anonymous.
- A:Answer Hello, thank you for your inquiry about the Dyson Purifier Hot + Cool Formaldehyde HP09. This model is designed to purify rooms up to 370 square feet (34 square meters), making it ideal for medium to large-sized spaces. It effectively captures pollutants and formaldehyde, ensuring cleaner air in your home. If you have any other queries, please feel free to contact us via [email protected]. We appreciate your support and look forward to serving you again. Warm regards, Dyson Customer Support
Answered by Dyson Team
Q: QuestionWhere is it made?
Asked by Shopper.
- A:Answer The company's primary manufacturing facilities are in Malaysia, Singapore, and the Philippines
Answered by HappyMagz
Q: QuestionDoes the Dyson Air Purifier (HP09) kill viruses?
Asked by xcmom.
- A:Answer No. The Dyson filter is not equipped to destroy particles of nanometers in size. Units for that purpose are quite expensive and normally limited to industrial and/or academic laboratories working with bacterial and viral cultures. The formaldehyde destruction property of the unit is a specialized filter designed to capture that particular molecule from the environment. Formaldehyde, with the chemical makeup of CH20, and a weight of 16 g/mol is designed to be captured by the unit with a special filter which is not designed to capture viruses or bacteria.
Answered by bambamcubed
Q: QuestionWhat is the wattage rating on the heater?
Asked by Dalek.
- A:Answer The Dyson Purifier Hot+Cool Formaldehyde HP09 has a maximum power consumption of 2,050 watts when operating in heating mode.
Answered by HappyMagz
Q: Questionwhat does voc mean when displayed
Asked by chal.
- A:Answer VOC is the abbreviation for volatile organic chemicals.
Answered by bambamcubed
Q: QuestionIf it's 2050 watts max when heating, that means it's drawing 17 amps, so it would be tripping a 15A breaker right? Does it need a 20A dedicated circuit? If this is heating and I turn on a 4A TV on the same 20A breaker, wouldn't that trip the breaker?
Asked by RBits.
- A:Answer Not in my experience. Did that all winter with no issue
Answered by Chadi
Q: QuestionHi I can’t find a BTCU amount…
Asked by D.
- A:Answer Hello D. This is Amanda from Dyson. Thank you for reaching out to us. We don't measure our machines in terms of BTU's. While our machines do have a heating element, they're measured in watts. While in heat mode, the purpose is to provided heated, purified air in to your room. How well it heats your space would vary, depending on factors such as doors and windows, how warm the room already is, the air temperature outside, etc. With our Dyson Pure Hot+Cool™ purifiers, you can set the desired air temperature all the way to 99 degrees, and you have 10 airflow speeds to choose from. We hope this helps! -Amanda Dyson Customer Support
Answered by DysonProductExpert

Q: QuestionHow does this model differ from the PHO4 model? Is the weight and size the only difference?
Asked by Anonymous.
- A:Answer The Dyson Purifier Hot+Cool Formaldehyde (HP09) and the Purifier Humidify+Cool Formaldehyde (PH04) serve distinct functions tailored to different needs: HP09: Functions as an air purifier, heater, and fan. It includes a Selective Catalytic Oxidation (SCO) filter that destroys formaldehyde, enhancing indoor air quality. CONSUMER ANALYSIS PH04: Combines air purification, humidification, and cooling. It also features a catalytic filter targeting formaldehyde. CONSUMER ANALYSIS
Answered by HappyMagz
Q: QuestionHow does this model differ from the HP4 model? Is the sizing and weight the only difference?
Asked by Anna.
- A:Answer Hello, This is Amanda from Dyson. The HP09 Hot+Cool Formaldehyde precisely detects and destroys formaldehyde. Hope this helps! Amanda Dyson Customer Support
Answered by DysonProductExpert

Q: Questionwhy do so many people that review the product complain about the noise from the product.
Asked by Portions33.
- A:Answer Owning three of these units myself, I am not sure why people complain about the noise of the unit. Its fans can be controlled by the remote control, and if one is concerned about noise, one could simply turn down the velocity of the fans to a more suitable volume level while keeping the same air filtration in place.
Answered by bambamcubed
Q: QuestionI found out that heaters can only be used with their own outlets, but can this all in one fan, air purifier and heater be used with any extension cords, surge protectors or outlets that already have something else plugged into? I hope you're sure.
Asked by Bobbie.
- A:Answer Hi Bobbie, this is Kelly with Dyson. We do suggest that our air treatment machines are plugged into their own outlet, as they do draw a lot of power while in use. Using on outlets with other high-powered devices can cause the circuit to short out. We also do not suggest the use of a surge protector or extension cord, but rather plugging directly in to your wall outlet. Best wishes, Kelly Dyson Customer Support
Answered by DysonProductExpert

Q: QuestionDoes the Dyson Purifier Formaldehyde Cool air filter produce or use ozone?
Asked by BB.
- A:Answer The Dyson Purifier Cool Formaldehyde™ TP09 is designed with safety and air quality in mind. It does not produce or utilize ozone in its operation. Unlike some air purifiers that employ ionization technologies, which can generate ozone as a byproduct, Dyson's purifiers rely on mechanical filtration methods. This approach ensures the removal of pollutants without introducing additional substances into the air. The TP09 model features a Selective Catalytic Oxidation (SCO) filter that effectively destroys formaldehyde by breaking it down into carbon dioxide and water. This process is efficient and does not produce harmful byproducts like ozone. Additionally, the TP09 is equipped with a fully sealed HEPA filtration system that captures 99.97% of particles as small as 0.3 microns, including allergens and pollutants. This ensures that the air circulated back into the room is clean and free from contaminants.
Answered by HappyMagz
Q: QuestionMy space I need to heat and purify is roughly 400 sq ft. Will this unit be able to handle this?
Asked by John.
- A:Answer Yes, the Dyson Purifier Hot+Cool Formaldehyde (HP09) is capable of handling a space of approximately 400 square feet for both heating and air purification. Dyson does not provide explicit room size recommendations in square footage but instead emphasizes that their devices are designed for whole-room purification based on air circulation technology. Heating: The HP09 uses Jet Focus technology, which provides direct, focused heating or wider distribution for the entire room. It should be effective in heating a 400 sq ft space, depending on insulation and external temperature. Air Purification: The unit is equipped with a HEPA H13-grade filter and a sealed system to trap 99.97% of allergens and pollutants as small as 0.3 microns. Its powerful air multiplier ensures even distribution of purified air throughout the room, making it suitable for medium to large spaces like yours. Additional Considerations: If your space has high ceilings or poor insulation, the heating might take longer to achieve desired temperatures. Regular maintenance, such as cleaning the filters, ensures optimal performance.
Answered by HappyMagz
Q: QuestionHello, does this remove pet dander from the air?
Asked by AL.
- A:Answer Hi there Al, this is Tia from Dyson. The purifier will clean anything 0.3 microns and larger. Pet dander would be larger so it will clear that from the air. Thanks for your support of Dyson technology! Best wishes, Tia Dyson Customer Support
Answered by DysonProductExpert

Q: QuestionWhen will the formaldehyde purifier be back in stock?
Asked by Anonymous.
- A:Answer I have been waiting on a replacement since May. I keep getting the run around and they haven’t been in stock. It’s ridiculous honestly. I’ve spent hours on the phone as well. It’s supposed to ship when it’s in stock but I’ve been waiting 5 months!
Answered by Kara
Q: QuestionCan the air purification mode be used without the fan or heater on?
Asked by Anonymous.
- A:Answer Hello, This is Miella from Dyson. Air output is required for the purification. However, the backward airflow mode diverts airflow through the back of the machine. To purify, without blowing air or heat onto you. Hope this helps! Miella Dyson Customer Support
Answered by DysonProductExpert

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