A few high-end units double as humidifiers, managing the moisture in the air to prevent dry air causing irritation to the nose, throat, lips and skin. We’d take the claimed 80m² maximum room size with a pinch of salt, but it cleared our test room of PM2. It’s a well-designed unit in white, with a softly glowing blue nightlight ringing the circumference, just below the touch-sensitive control panel. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions.

A powerful air purifier that's designed to fix air quality in larger spaces, the Philips Series 3000i Connected air purifier promises to remove impurities in areas up to 104m2. Turning off the personalised advertising setting won’t stop you from seeing Etsy ads, but it may make the ads you see less relevant or more repetitive. In fact, we only have one quibble: with no carrying handles and its slightly slippery matt white plastic casing, it’s a tricky beast to move from room to room.

Our Smart Home Editor Caroline certainly found that it made quick work of purifying the air within her flat, 'The Philips Series 3000i Connected air purifier never turned red (to indicate pollutants) for more than a few seconds or minutes at a time, proving that it makes quick work of any airborne nasties'.

Noise is another factor – you don’t want to replace one irritation (allergies) with another (the sound of a jet plane in your room). The slick user interface of the app makes it easy to access all functions, or schedule the purifier to turn on and off with specific settings on specific days and at specific times.You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. Naturally, air purifiers with a higher CADR, intended for use in larger areas, will have a higher power consumption than air purifiers for smaller areas. We test how easy each machine is to set manually, via the remote and using a smart phone, if this feature is available.

When the Vital 200S indicator turned red and the Govee device measured 200, I extinguished the incense and set the purifier to Auto mode, at which point the fan ramped up to the High setting. Understandably, there has been a lot of talk over recent years about whether HEPA air purifiers offer any protection against viruses, including Covid-19.It uses a triple air-filtration system to remove microscopic irritants and pollutants – not to mention odours – and can also humidify your air, adding tiny droplets of moisture from the 2. The unit lights up during the highest two fan speeds but is unilluminated during the ultra-quiet sleep mode.