5. Hoover H-Purifier 700 wi-fi connected air purifier

Dimensions: 74.5 x 28 x 31.7cm Recommended room size: up to 110 sq m Controls: smart phone app via wi-fi

Noise level: 52dB

Number of speeds: three

The low-down: This device allows you to keep a check on your room’s temperature, humidity levels and pollution via the app, which helps you to make the most of the Hoover H-Purifier 700. Auto

Mode is great to get the machine up and running, using the device’s sensors to monitor air quality and activate the fan when needed. For allergy sufferers, the 100 per cent Pollen Neutraliser is a clever addition, while a triple-layer filtration system removes 99.9 per cent of allergens – including dust, bacteria and pet hair. The diffuser function allows you to fragrance your home or spread probiotics that will keep surfaces hygienic and free from bacteria, making this air purifier a seriously smart bit of kitfl

Hoover H-Purifier wi-fi connected air purifier, £599, AO.com remote allow you to have full control and monitor the air quality; plus the remote is magnetised so you can secure it to the top.