Save $150 on this Dyson air purifier deal before Prime Day

This sleek Dyson HP09 air purifier doesn't just give you cleaner air, it cools and heats the room into the bargain. And, thanks to its October sale, the Dyson's Hot+Cool Formaldehyde HP09 is down to $699.99 at Amazon.

This Dyson HP09 Air Purifier, which makes use of the company's bladeless fan Technology, is an excellent way to remove dust, Pet hair and other irritants from the air, including formaldehyde which some purifiers overlook.

You can get the Dyson HP09 Air Purifier air purifier on sale right now at Amazon for $479.99.

Its sibling, the Dyson Purifier Cool, features in our list of best purifiers and best purifiers for allergies. In our review of the Dyson HP09, we said it did a brilliant job at removing harmful airborne particles and, at $150 off, it's a simply superb deal.

Dyson Hot+Cool Formaldehyde HP09 Air Purifier: was $849.99 now $699.99 at Amazon US

Save $150 on an easy-to-use but powerful air purifier that doubles as a heater and a fan, so you don't need to juggle multiple devices. We

It offers smart control via app, and with a HEPA H13 filter and an activated carbon filter it'll remove 99.95% of particles as small as 0.1 microns, as we confirmed in our Dyson HP09 review. And with 350-degree oscillation, there's no need to keep readjusting it.

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Dyson has long been known as an innovator, and the Dyson Purifier Hot+Cool HP09 is no exception. Not only does it filter irritants from your house, but its oscillating, bladeless fan will heat or cool the room. And it's utterly gorgeous to look at, without getting in the way of the profile of the room.

It barely matters how big your house is, the HP09 will handle rooms up to 2,860, and it also removes formaldehyde, a sometimes overlooked and potentially harmful irritant. In our review of the Dyson HP09, we were especially impressed with how it handled incense smoke and other larger pollutants.

Even when it was going all out, it was impressively quiet, hitting a maximum of 48 decibels. It was a little pricey when we reviewed it but with $150 off, you'll be happy with the Dyson Purifier Hot+Cool HP09, as long as you grab it before it's gone.