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If you’re after a compact yet powerful purifier that can handle mid-large spaces, this Levoit Core smart model is ideal. It comes with a three-stage filtration that captures 99.97% airborne particles and 99.99% viruses. In addition, it has an auto feature that scans the air for particles and adjusts the fan speed accordingly. Plus, it can send back real-time reports to your phone, for added convenience.

This compact air purifier is ideal for rooms up to 1,000 sq ft. It’s simple to set up and great value for money considering how efficiently it cleans the air. It features a touchscreen that lets you control all of its functions, and it has clear indicators for fan settings.

This Coway Airmega may look small in stature, but it gives mighty results. In fact, it came tops on our best air purifier guide for its impressive clean air delivery rate (CADR) performance and voted the most energy-efficient. It also offers an ionizer mode, which will disperse negative ions to improve the quality of the air it filters. Other perks include its three-year warranty, but bear in mind it’s on the heavier side at 12.3 pounds.

Despite its compact size, the Shark NeverChange rated highly in our review, and is powerful enough to tackle a large room. It comes with an anti-allergen HEPA filter designed to handle a wide range of contaminants, and has an odor neutralizer to freshen air. Perhaps the main USP of this model is its NeverChange filter, which will last up to five years – saving you a fortune in the long-run..

The Blueair Blue Pure 211+ Auto holds the top spot in our best air purifier guide because it delivers premium performance across the board. This model provides a high CADR in terms of dust, smoke and pollen, and the design offers plenty of settings, including an auto mode, a night mode, as well as three fan speeds. It’s a brilliant option if you’re trying to purify a large space, and it’s seamless to operate as well.