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Dyson Hot+Cool HF1 review: looks great and earns its keep in both hot and cold weather

A small but capable fan heater that’s earned its place in my draughty kitchen and home office, with genuinely useful smart features and a few minor quirks.

By Poppy O'Neill | Last updated Mar 26, 2026

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Mumsnet Badge Mumsnet Home editor Poppy O'Neill testing the Dyson Hot+Cool HF1

RRP: £449 | Buy now from Dyson

Our rating:
What we like
  • Heats a cold room quickly, even in a draughty kitchen

  • Cooling mode is just as effective in warmer weather

  • Proper on off button that responds first time

  • App control makes pre heating genuinely useful

  • Sleep mode is noticeably gentle at night

  • Doesn’t get dangerously hot to the touch apart from the air outlet edges

  • Tilting and oscillation help distribute heat around the room

  • Remote control is handy for quick adjustments

What we don't like
  • The air outlet edges get hot

  • Premium price for a relatively simple appliance

  • No visible power or fan speed specs from Dyson

Key specs

RRP: £449 | Dimensions: 58.5 cm height | Weight: 2.59 kg | Cord length: 1.8 m | Wi-Fi connectivity: Yes | Remote control: Yes | Oscillation angle: 70 degrees | Night mode: Yes (26dB)

How I tested

I used the Dyson Hot+Cool HF1 daily over two months through late winter into early spring. Most of its time was split between my work from home office and my particularly draughty kitchen where heat escapes through single-glazed windows. I tested both heating and cooling modes, used the app for scheduling and remote start, and ran it overnight in sleep mode.

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Mumsnet Home editor Poppy O'Neill testing the Dyson Hot+Cool HF1

My verdict

What we tested
Performance
5
Quality
5
Ease of use
5
Value for money
4
Energy efficiency
4
Heat distribution
5
Warmth
5
Storage
5

This is a compact fan heater that punches above its size. It won’t replace central heating, but it’s very effective at topping up warmth where your home needs it most.

What stood out over the two months is how often I reached for it. The kitchen in particular, with its cold tile floor and draughty single-glazed windows, really benefitted from the HF1's speedy start up and effective heat distribution. While an oil-filled radiator will heat the whole room, the Dyson HF1 strikes just the right balance between targeted warmth and heating a space.

As a cooling fan, it's quiet, quick to get started and surprisingly powerful for a small fan. It tilts and oscillates, which really makes a different to how far it reaches whether in heating or cooling mode.

The controls are simple, the app is genuinely useful, and the design feels considered rather than over complicated. With auto shut-off and a largely heat-proof exterior, it’s also reassuring from a safety point of view, especially with kids in the house.

At £449 the price will put some people off, but if you want something that heats quickly, cools effectively and fits into daily life without fuss, this is a strong option. As it's just as useful in a heatwave as in a cold snap or broken boiler emergency, it earns its keep all year round, too.

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Is the Dyson Hot+Cool HF1 good for heating and cooling a room?

Mumsnet Home editor Poppy O'Neill testing the Dyson Hot+Cool HF1

My kitchen is the kind of space that never quite feels warm. Heat escapes quickly and the floor gets too cold for bare feet between October and April. This is where the HF1 proved its worth.

It takes the edge off the cold within minutes. Rather than slowly warming the room, it gives a direct blast of heat straight away, which is exactly what you want when you walk into a cold space. With oscillation on, that warmth spreads more evenly rather than just hitting one spot.

Cooling is similarly straightforward. On warmer days and stuffy nights, it pushes out a steady stream of air that feels a lot more substantial than a basic desk fan. It’s not air conditioning, but it’s enough to make working through a warm afternoon far more comfortable.

The tilt function helps here too. I could angle it slightly upwards when sitting at my desk or more directly when I wanted immediate warmth or cooling.

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What's the Dyson Hot+Cool HF1 like to use day-to-day?

Set up is simple. It’s ready to go immediately, and the controls are intuitive. The standout change for me is the on off button. It’s raised and responsive, unlike the flatter button on the Dyson Hot+Cool HP09 which can take a couple of presses to register.

The MyDyson app adds real convenience rather than feeling like a gimmick. Being able to switch it on before I come downstairs in the morning, or warm the kitchen before cooking, makes a noticeable difference. It’s one of those features you don’t think you’ll use much until you do.

Sleep mode is gentle enough to leave running overnight. Dyson states 26dB, and while I didn’t measure it, it fades into the background in a way that doesn’t disturb sleep.

Safety is well handled. It automatically shuts off if knocked over, and while the loop amplifier edges do get hot where the air is pushed out, the main body stays cool. That makes it less of a worry around children, though you’d still keep an eye on curious hands.

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Mumsnet Home editor Poppy O'Neill testing the Dyson Hot+Cool HF1

Does the Dyson Hot+Cool HF1 offer good value for money?

At £449, this sits firmly at the premium end of fan heaters. You can pick up a basic fan heater for under £50 that will technically warm a room.

The difference is in how it delivers that heat and how you use it day to day. Cheaper models tend to blast heat in one direction, feel clunky to control, and lack any smart features. The HF1 feels more considered. The airflow is smoother and quieter, the controls are simple yet comprehensive and the app adds flexibility.

If you just need occasional heat for a small space, it’s hard to justify the cost. If you’re using it daily in a room that’s difficult to heat, or you're after something that both looks good and remains useful through hot and cold weather, the price starts to make more sense.

About the author

Poppy O'Neill is a Content Editor at Mumsnet and a mother of two. She researches and reviews the products Mumsnetters swear by, with a particular focus on home essentials like steam irons, vacuum cleaners and heated throws.

From a highly recommended retractable washing line to the best quiet fans money can buy, and Mumsnet's favourite dehumidifier to the steam generator iron that'll cut your ironing time in half, she loves to deep-dive into research and find the very best products on the market.