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Dyson has found almost every way to harness air for the home, and its range of fans is no different. As opposed to Dyson's stick vacuums, the brand has a relatively small portfolio of floor fans. They can either cool, heat, or purify air, or some combination of the three.
Ultimately all the fans are quite similar but there are key differences depending on what works best for your household.
Model | Airflow | Heater | Air purifier | RRP | Retailers | |
| Dyson Cool™ tower fan | 500L/s |
 | |
$499
| Get yours from Dyson | $398 from Amazon |
|---|---|---|---|---|---|---|
| Dyson Purifier Hot+Cool™ Formaldehyde purifying fan heater | 290L/s |
 | HEPA 13 |
$1149
| Get yours from Dyson | $898 from Amazon |
| Dyson Hot+ Cool Jet Focus fan heater | 186L/s |
| |
$649
| Get yours from Dyson | $449 from Kogan |
| Dyson Purifier Cool Formaldehyde purifying fan | 370L/s |
| HEPA 13 |
$999
| Get yours from Dyson | $788 from Bing Lee |
| Dyson Purifier Cool™ purifying fan | 290L/s |
| HEPA 13 |
$949
| Get yours from Dyson | $679 from Amazon |
Dyson's Hot+Cool fans do what they say on the tin; they are both heaters and cooling fans. These floor fans use a bladeless design and what Dyson calls "Air Multiplier" technology to project air through them. Ultimately this refers to how much air the fan is able to suck in and blow back out.
When they're in heating mode these fans use a ceramic heating element embedded within the face of the device. As the air pumps past it, it picks up ambient heat and distributes it into the space. Since the ceramic elements are entirely housed within the fan, it does make them significantly safer to touch than your typical portable heater.
Currently Dyson has two kinds of Hot+Cool fans/heaters, the Jet Focus fan heater, and the Hot+Cool Formaldehyde purifying fan heater. The main difference between the two is that the purifying fan is also an air purifier. A triple threat. It can circulate air at up to 290L/s (or 614CFM), and has a HEPA 13 filter that can purify PM2.5 particles out of the air at a 99.95% efficacy.
The Hot+Cool Jet is a more bareboned fan and heater. It handles 186L/s of air which is the equivelant of 394CFM. For reference that is about 5% of what an efficient ceiling fan can circulate. The Jet also has two modes, Jet and Diffuse. The former is a more concentrated stream of air while Diffuse throws a wider range for more effective overall cooling and heating of the space.
Both devices have oscillation, although it is 70° on the Jet and 350° on the purifier.
As you may be able to gleam from their names, Dyson has a handful of fans that are also air purifiers. Out of the entire Dyson fan range, three of the five also have an air purifying element to them and one is also a fan heater.
Every one of Dyson's air purifying fans uses a HEPA 13 filter that is rated to remove 99.95% of particulate matter from the air. This rating makes them medical grade, and can help clear out dangerous PM2.5 particles from your home. Two are also rated to remove formaldehyde which is a polluting gas that can come from things like paint, nail polish remover, air fresheners, and a range of other household items.
The entry level purifying fan is the Dyson Purifier Cool. Aside from its HEPA filter this device also has an activated carbon filter which can help remove odours from the home. It oscillates up to 350° and can circulate 290L/s of air on fan mode. According to Dyson it is able to effectively purify air in rooms up to 81m cubed, which is around a 6m x 6m room with an average height ceiling.
A step up from that is the Dyson Purifier Cool Formaldehyde purifying fan. For all intents and purposes this is the same fan as the Purifier Cool, except it has a catalytic filter that breaks down formaldehyde molecules. It can also circulate more air that the previous model with the airflow amping up to 370L/s.
The most advanced Dyson purifying fan is the Dyson Purifier Hot+Cool Formaldehyde purifying fan. It sure is a mouthful, but the differences aren't. On top of everything from the Dyson Purifier Cool Formaldehyde, you also get heating elements but the airflow is back down to 290L/s.
If you're just looking for a fan and are happy to skip out on the purifying and heating elements, Dyson has you covered there too. The Dyson Cool tower fan is not only the cheapest option, but it is also the Dyson fan with the best airflow.
The simple device can circulate 500L/s which is around 1,058CFM. It is still a ways behind what a ceiling fan like the Haiku from Big Ass Fans can accomplish, but its not nothing. On top of its high power circulation, it oscillates up to 70° and comes equipped with timers and a remote control.
Like all bladeless fans, Dyson fans do in fact have blades, you just can't see them. These sit within the motor in the base of the machine. They're used to draw air up and into the tower which is then pushed out through small gaps in the ring. The air runs over Dyson's loop, using the Coanda effect (yes the same one used in the Airwrap) to increase the airflow.
The shape of bladeless fans, including Dyson's creates an area of low pressure which can make the airflow move faster than it would with a traditional, bladed fan.
The more you get out of a Dyson fan, the better their value becomes but they're still wildly expensive. On their surface even the cheapest $499 fan is a hefty price to pay, but even if you add in a heater, and an air purifier, the math doesn't quite shake out.
Typically you'll pay around $500 on average for an air purifier, maybe $200 for a good quality heater, and another $100 for a pedestal fan. That brings you up to $800, and takes up much more floor space in your home. Of course Dyson's 3-in-1 is still pricier, but it is a streamlined solution.
It is also worth noting that none of these Dyson products are particularly effective cooling, heating, or air purification devices. You can absolutely get cheaper options that cover more space and have more bells and whistles to them. In saying that they are excellent space savers. If the specs look like they will suit your lifestyle and floorplan, then a Dyson fan/heater/air purifier could be a solid option but you'll be paying a premium.
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