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Frequently asked questions

Are Dyson heaters expensive to run?

Heating your entire home with central heating can sometimes be unnecessary. All Dyson fan heaters provide long-range and whole-room heating³ solutions in winter, so you don't have to heat your whole home.

Plus, Dyson Pure Hot+Cool™ machines have an intelligent thermostat which stops heating once the correct temperature is reached, so energy isn't wasted.

Which Dyson fan is best for cooling?

Dyson Cool™ fans feature one-touch oscillation and Air Multiplier™ technology to direct high-velocity airflow for personal cooling.

We often turn to expensive air conditioners during hot weather to cope with the heat, but sometimes all you need is a personal blast of air.

The Dyson Cool™ range of fans have Sleep timers, so you can programme our machines to turn off after preset intervals, from 15 minutes to 9 hours.

Are heaters with fans better?

The best fan heaters provide a quick solution to projecting warmth around the room.

Air Multiplier™ technology amplifies surrounding air¹, giving an uninterrupted stream of smooth airflow. You can also choose between Focused and Diffused modes, for personal or whole-room heating.

Plus, the Dyson Hot+Cool Jet Focus weighs only 2.68kg – making it handy to move around your home.

Which is the best Dyson fan and heater for me?

Choosing the right fan or heater for your home is a personal choice – but it shouldn’t be confusing.

Put simply – Dyson offer five core air quality solutions:

  1. Dyson Cool™ range: Single function. For cooling in summer.
  2. Dyson Hot+Cool™ range: 2 in 1. For heating in winter and cooling in summer.
  3. Dyson Purifier/Pure range: 2 in 1. For cooling in summer and purifying all year round.
  4. Dyson Purifier/Pure Hot+Cool range: 3 in 1. For heating in winter, cooling in summer and purifying all year round.
  5. Dyson Purifier Humidify+Cool. 3 in 1. For cooling in summer, hygienically humidifying and purifying the air all year around.
Does my Dyson fan and heater purify the air?

To take full control of your environment, opt for a machine in our purification range.

Dyson's latest air purifiers detect and destroy formaldehyde⁴, removing gases⁵ and 99.95% of ultrafine particles.⁶ They automatically detect airborne particles and gases, and diagnose and report in real time.

We have solutions to suite a range of budgets, homes and families. To find the perfect Dyson purifier for you, use our Help Me Choose tool.


  • 1 In maximum setting. Tested for air projection, purification coverage in an 81m³ room and heating performance in a 35m³ room.
  • 2 Third 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.
  • 3 Tested for filtration efficiency at 0.1 microns (EN1822). Gaseous capture rates vary.
  • 4 Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%.
  • 5 In maximum setting. Tested for air projection, purification coverage in a 81m³ room.
  • 6 We challenged our purifier with airborne influenza A (H1N1 virus) at an independent lab. After 60 minutes at maximum fan speed, the airborne concentration in the chamber was reduced by 99%. Real-life efficacy may vary.
  • 7 After reaching target temperature and maintaining it. Tested in a 35 m³ chamber when using the hot air mode and the product setting temperature is 25 °C. Comparing with continuous operation with power consumption of 2050W. Real life results may vary depending on room insulation.
  • 8 Compared to earlier generation. Tested in a 35m³ room (DTM961).