As of Jan. 27, the Dyson Hot+Cool Gen1 HP10 Purifier is on sale for $349.99 at Dyson. That's $180 off the regular price.

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And one, I might add, that also filters out formaldehyde. It's the successor to Pure Hot + Cool, logically enough ... scary-looking graphs on the Link app. Dyson's Link app was quite a buggy ...

You can get a Dyson Pure Cool Tower TP4A for just $149.99 ... It uses carbon and Glass HEPA filters to remove gases, 99.97% of microscopic allergens, and pollutants as small as 0.3 microns.

One of the most recognised is British-born Dyson ... Pure Hot+Cool fan is not just a thing of beauty, it’s actually super smart, too. Like the last few models that came before it, the fan is connected ...

The T3 Dyson Pure Humidify + Cool review in a sentence ... you just need to replace the two filters every year or so or when the Dyson Link app tells you to. I was very impressed with this ...

The app provides information on filter life, telling you when you need to change it ? which is roughly once a year depending the quality of air in your house ? and set schedules for it to run on a ...