Dyson Hot

December 11, 2012 by  
Filed under Reviews

Air Multiplier technology makes its way into the companies first heater, with mixed results.


Score 6/10
Review Price £250.00

2-in-1 heater and fan
Stylish, safe bladeless design
Precise temperature adjustment

Weak performance
Extremely expensive

Key Features: Air Multiplier dispersion technology; Heater and fan; Bladeless design; Cuts out if knocked over; Remote control

There is something hugely admirable about Dyson. The British company regularly invents what arguably could be considered revolutionary technology, but chooses to do so for humdrum household objects like vacuum cleaners, hand dryers and fans. It’s bonkers, but brilliant and typically with price tags to match. So what happens when Dyson makes a heater?


The result is the Dyson Hot (AM04) and, naturally enough, it aims to revolutionise the way the well heeled keep warm. The design is pure Dyson, minimalist yet curvy, though it diverges from the lollipop-shaped Air Multiplier (AM01) fan in favour of a straighter design which looks like the close up of the eye of a needle. Dyson doesn’t explain the shape change, which seems primarily to distinguish the models, but it does mean the Hot takes up less space than its chilly predecessor.

As for build quality, the same love it/hate it Dyson qualities are also on show with a primarily plastic construction, matt finish and the usual choice of just two colours: silver or grey with a blue insert. The latter looks better to us, though clearly your choice will depend on your existing decor. Like most Dyson products the Hot gives the impression it will be durable and wear well.


Of course what really sells the Hot, however, is the technology inside. This is the same Air Multiplier technology Dyson uses in the AM01 (which we now think should be rebranded the ‘Cold’) and it works by sucking in air from the rear, spinning it around the hidden turbine in the base and firing the airflow from thin vents around the inside of the open section. The benefits are a more consistent flow of air and the increased safety from no exposed fan blades, something particularly of value to parents of children with prying fingers.

Other innovations inside the Hot include an automatic cut out if the unit is tipped over, the ability to also blow cold air making it equally useful during the summer, a touch tilt and rotation on its base to distribute warm or cold air over a wide angle. For those unable or too lazy to get up, the Hot comes with a simple remote with power, speed and temperature controls as well as the ability to start or stop rotating. A nice touch is the controller contains a magnet and will store neatly on the top of the Hot.


If we tell you the Hot’s turbine shares core technology with turbochargers and jet engines you’d think this creates a pretty good precursor to how the unit performs. Sadly you’d be wrong. The biggest complaint we have with the Hot is it is not powerful enough. Temperature settings are wide offering a range from zero to 37 degrees Celsius and they’re adjustable by one degree intervals, but the Hot simply fails to disperse whatever temperature it pumps out widely enough. This is a sample, to understand the failings of the Dyson Hot’s performance, whether it is 2-in-1 functionality offers good value for money and to see the final verdict read my full review @ Trustedreviews


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