Dyson Purifier Cool Formaldehyde TP09
No store we follow ships this model to the United States. This page says what it can do, and which similar robots you can buy here.
Who it suits
Good for
- Allergies: H13 HEPA filter, fine enough for asthma and dust mite
- Pets at home: a carbon filter takes out smells
From the facts the maker states, by the rules of our advisor.
Before you buy, compare it with 2 recommended alternatives
No store here sells this model today, so beside it the highest-scored model for the same room size that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model Dyson Purifier Cool Formaldehyde TP09 | Cheapest of the top 10 Blueair Blue Pure 411i+ Max Best on 2 facts | Highest score here Levoit EverestAir-P Best on 3 facts | |
|---|---|---|---|
| Most important facts | |||
| The lowest price today at a store that ships to you, shipping included. A price with an asterisk comes from a store abroad, and its shipping cost is our own estimate. Lowest price | – | $135Blueair (brand store) best | $499Levoit (brand store) |
| Our own score out of 10: 60% measured facts and 40% store ratings. Price does not count. Score | not in our ranking | best | |
| The average of the stars buyers give at the stores, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | – | – |
| How much clean air the purifier delivers an hour, measured with smoke, dust and pollen. A higher figure cleans a bigger room or the same room faster. In this comparisonWhen it matters
When it matters less
Source
| – | 147 cfm (250 m³/h) | 354 cfm (601 m³/h) best |
| The room size where the purifier changes the air 4.8 times an hour under a 2.5 m ceiling, worked out from its CADR. We use it so every model is compared on the same rule. In this comparisonWhen it matters
When it matters less
Source
| – | 224 ft² (21 m²) | 539 ft² (50 m²) best |
| How fine the filter is. True HEPA and H13 catch at least 99.97% of particles at 0.3 microns. HEPA-type is a weaker claim with no test behind it. When it matters
When it matters less
Source
| H13 HEPA | HEPA-type | True HEPA |
| How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less. In this comparisonWhen it matters
When it matters less
Source
| 12 months | 12 months | 12 months |
| Filters and electricity together for a year. Shown only when both are known. Lower is better. Running cost a year lower is better | – | $79 a year | – |
| The sound level at the lowest speed, as the maker measures it. In this comparisonWhen it matters
When it matters less
Source
| – | 19 dB | 24 dB |
| The sound level at the highest speed, as the maker measures it. In this comparisonWhen it matters
When it matters less
Source
| – | 46 dB | 56 dB |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Dyson Purifier Cool Formaldehyde TP09 specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
Also sold or tested as: 386319-01 (Europe) source
Filter 2 facts
- HEPA filter class
When it matters
- Allergy to pollen, dust mites or pet dander.
- Fine dust from traffic, wood stoves or wildfire smoke.
When it matters less
- For smells alone the particle filter’s class decides little: the carbon filter does that work.
Source: dyson.nl · checked on Nov 3
How fine the filter is. True HEPA and H13 catch at least 99.97% of particles at 0.3 microns. HEPA-type is a weaker claim with no test behind it.
- H13 HEPA
- Activated carbon filter
257 of the 265 models we track have this.
When it matters
- Cooking smells, smoke and pet odors.
- Gases from new furniture, paint or cleaning products.
When it matters less
- Against pollen and dust alone it adds nothing.
Source: dyson.nl · checked on Nov 3
A filter of activated carbon that takes out smells and some gases. It does not catch particles.
- yes
Running costs 1 fact
- Filter life
Among the models we track
12 months on this model
Lowest
1.3 months Highest
120 months Middle
12 monthsHigher than 104 of the 219 models we track.
When it matters
- Running the purifier day and night, all year.
- Comparing what two models cost to own, since filters are bought again and again.
When it matters less
- Seasonal use, like a few weeks of hay fever: a filter then lasts for years, so compare filter prices instead.
Source: dyson.nl · checked on Nov 3
How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less.
- 12 months
Air quality sensing 1 fact
- Air quality sensors
When it matters
- Leaving the purifier on auto all day.
- Wanting to see the air quality in the app.
When it matters less
- If you set the speed yourself, a sensor adds little.
Source: dyson.nl · checked on Nov 3
What the purifier measures in the air. A particle sensor lets it speed up and slow down by itself.
- VOC, Formaldehyde
Smart features and warranty 2 facts
- App control
When it matters
- Switching it on before you come home.
- Seeing the air quality and the filter’s state at a glance.
When it matters less
- If it stands on auto in one room, you will rarely open the app.
Source: dyson.nl · checked on Nov 3
Whether you can control the purifier from a phone app, over wifi or only nearby over Bluetooth.
- Wi-Fi
- Voice assistants
When it matters
- Starting the robot by voice while your hands are full.
- A home already run with Alexa, Google or Siri.
When it matters less
- If you start it from the app or a schedule, you will not miss it.
Source: dyson.nl · checked on Nov 3
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Siri
Build 2 facts
- Height
Among the models we track
41.3 in (105 cm) on this model
Lowest
1.6 in (4 cm) Highest
50 in (127 cm) Middle
20 in (50.8 cm)Higher than 267 of the 277 models we track.
When it matters
- A shelf, a sideboard or a spot under a window sill.
- A small room where a tall tower would stand in the way.
When it matters less
- On an open floor with room to spare it decides little.
Source: dyson.nl · checked on Nov 3
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
- 41.3 in (105 cm)
- Weight
Among the models we track
10.4 lb (4.7 kg) on this model
Lowest
0.7 lb (0.33 kg) Highest
169.8 lb (77 kg) Middle
11.6 lb (5.26 kg)Lower than 155 of the 281 models we track.
When it matters
- Moving the purifier from room to room, up and down the stairs.
- A shelf or a table that has to bear it.
When it matters less
- If it stays in one place it hardly matters.
Source: dyson.nl · checked on Nov 3
What the purifier weighs. It counts most if you move it from room to room.
- 10.4 lb (4.7 kg)
Warranty and certification 1 fact
- Maker model numbers
- TP09
Sources: dyson.nl
The maker
Dyson
- Headquarters: Singapore
- Founded in 1991
Dyson is a group of companies headed by Dyson Holdings Pte. Ltd., a company based in Singapore. Its UK company, Dyson Technology Limited, manages the Dyson brand and the invention, development and sale of Dyson-branded products. The group's ultimate holding company is Weybourne Holdings Pte. Ltd., incorporated in Singapore.