The best high-end space heater
The Dyson Pure Hot+Cool boasts an impressive design; features like air purifying, app compatibility, and some cooling capability make it an expansive home appliance that does much more than heat.
Pros: Air-purifying feature, all parts stay cool to the touch, 360-degree oscillation, automatically shuts off after nine hours or if overheating is detected, beautiful design, app compatibility and controls, smart assistant compatibility, tip-over switch
Cons: Display is difficult to read, replacement filters are expensive
This Dyson unit is the macdaddy of space heaters. It’s a full-size heater with a unique oblong, donut-shaped design. Setup is super easy; just click in the filters and plug it in to get started. You can use the remote or an app (available on iOS or Android) to control and adjust the airflow speed, oscillation, temperature, airflow direction, and turn on the sleep timer or night mode — a feature that darkens the display and reduces the airflow speed to prevent night time disturbances. There’s also a “cooling” mode, which is really just a fan. In testing, the cooling mode barely made a dent in room temperature, though the breeze did make me feel more comfortable.
The heating function on the Dyson works really well. The room starts warming almost immediately and the heat is effectively dispersed throughout the room. Within the first hour of testing, the temperature increased by 6 degrees Fahrenheit — a welcome bit of warmth on a particularly cold day. To run the heater, you select your desired room temperature in degrees. On auto, the heater will run at the ideal speed to quickly heat your room (and purify the air), but you can override that and select your own airflow settings.
The noise level depends on the selected airflow speed, which runs from settings one to 10. Setting 10 will require some volume adjustment on your TV while a one or two is barely noticeable and didn’t disturb me at all while I was working. The heater has an auto-shutoff that prevents it from overheating and it will automatically turn off if falls over or detects that the heating mode has been active for more than 9 hours. It’s also the only heater where no part of the exterior is hot to the touch, making it safe for use around kids.
In my opinion, the air purifier is the main advantage of this device over other heaters. I quickly became obsessed with tracking my home’s air quality and love the detailed info I get from using the app. The machine reacts quickly and automatically to air contaminants I had never really thought about. For example, while I was preheating my oven for dinner, the unit automatically adjusted to its maximum air speed to help purify the “contaminated” air caused by my dirty hot oven. Other users report it ramping up air flow when you’re using household cleaning products, to help dissipate the chemicals.
Unfortunately, this feature means that, unlike the other heaters on this list, the Dyson requires regular maintenance. In addition to the initial cost, you’ll have to spend more on filter replacements, which don’t come cheap at almost $80 each. The rate at which you replace them depends on usage and air quality. For reference, I’ve been running the unit for a few weeks and the app says that the HEPA and carbon filters have 98% life remaining.
Another drawback is that the Dyson’s onboard display is almost totally useless; it’s so small that it’s impossible to read from across a room. You really have to have your nose right up to the unit to peek at the tiny, round screen. However, you can access the same information in the app.
The Dyson is also, by far, the most expensive space heater we tested. It comes loaded with tons of extra features that might justify the price tag if you’re concerned about air quality in your home or want a connected device that can be used with an app or virtual assistants like Amazon Alexa or Google Home. However, if you’re just interested in warming a chilly space, you’ll get similar heating power from the cheaper picks in this guide.
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