This air purifier can be your warm winter companion too 

Dyson Purifier Hot+Cool Gen1 Review: It is the third week of December, and the visibility outside my Noida apartment is murky. Pollution has returned to the NCR, coinciding with the slow onset of winter chill. But most air purifiers exacerbate the winter chill by pushing out cool drafts along with clean air. This is where a product like the Dyson Purifier Hot+Cool Gen1 can make a difference, keeping the room air clean and pleasant at the same time.

The Dyson Purifier Hot+Cool Gen1 has the trademark design from the UK tech company with a loop-shaped bladeless fan that throws out the cleaned air sucked in by the filters at the base. On the front, there is an LED display that gives you a lot of information, from present PM2.5 and PM10 levels to the trend line showing an improvement in air quality as the purifier runs. You can also see the temperature of the heater as well as some animations illustrating how the filter works.

But there is just the power button on the purifier, which means you will need to use the remote for all controls. The remote, as with other Dyson units, attaches magnetically to the top of the fan loop. On the remote, you have the option to adjust the fan speed, increase the temperature up to 37 degrees Celsius, choose auto or sleep mode, and make the fan go a near 360-degree swivel.

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However, there is a catch here compared to other Dyson air purifiers I have used. While this Purifier Hot+Cool Gen1 can be added to the MyDyson app like other units, I could not see any control panel for the same. The app just shows how-tos and FAQs about the device and lets you buy a new set of filters but does not let you control it. This means you have to be careful about the small remote that comes in the box.

The Dyson Purifier Hot+Cool Gen1 displays real-time PM2.5 levels and temperature on its sleek LED panel. (Image: Nandagopal Rajan/ The Indian Express) The Dyson Purifier Hot+Cool Gen1 displays real-time PM2.5 levels and temperature on its sleek LED panel. (Image: Nandagopal Rajan/ The Indian Express)

With AQI levels upwards of 225 in NCR this week, in my living-cum-dining area, the Dyson Purifier Hot+Cool Gen1 took about 30 minutes to bring the air quality to green, running at full speed for most of the time. In a smaller room, it can do this in half the time. Since Dyson ensures that clean air is distributed across the room, the placement of the purifier itself is crucial. Ideally, the purifier should be placed near the centre of the room to maximise its efficiency.

The winter in Delhi has been relatively mild so far. Still, the Dyson Purifier Hot+Cool Gen1 is perfect for you to sit in front of early in the morning so that you enjoy the winter pleasure of warm air hitting your hibernating skin. While keeping the temperature at 31 is enough for you to feel warm, you can take it up to 37 degrees Celsius if you still feel cold. There is one thing you need to keep in mind while buying this one. It requires a power plug to work, so if your living room or bedroom does not have one, you will need to use a converter, which is not always a good idea.

After running the heater for over 30 minutes, you can feel the room temperature also go up gradually. In the bedroom, it became pleasant enough for me to come out of the comforter in the middle of the night. And do remember it can blow really cool air too, though the switchover takes a few minutes.

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The Dyson Purifier Hot+Cool Gen1 is quiet unless you push the fan speed to maximum. And given that very few companies are as design-focused as Dyson, the device blends in well into more living rooms. The significant advantage of this device is in how it saves power, as you don't need to run an air purifier and room heater at the same time if you are in an NCR kind of situation.

At Rs 56,900, the Dyson Purifier Hot+Cool Gen1 is a premium device that does more than keep the air quality in your room palatable. But it does not make sense for those who live in warmer parts of India, even if you struggle with some pollution. But if you are in a place like Delhi, this one can keep your room cool or warm while cleaning up the air on the side.

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