test it brought the levels down to double figures within a minute, and they kept on ticking downwards, where other compact purifiers seem to struggle the closer the count gets to safe levels. It’s a well-designed unit in white, with a softly glowing blue nightlight ringing the circumference, just below the touch-sensitive control panel.

She tested this air purifier through pollen season, and reported a massive improvement in her symptoms. If your home is prone to excess moisture and damp issues like mould and mildew, then although many air purifiers will help, a dehumidifier is going to be the best option for sucking excess moisture from the air. You can set it to turn on and off at specific times, set the mode and power settings, even set whether the display should turn on or stay off.

A purifier with a score of 250 for dust particles is as effective as adding 250 cubic feet of clean air per minute. Named the 'Beko HygieneShield', this air purifier works to filter out the nasties in a room (up to 24m² large) with a system that contains a pre-filter, a HEPA 13 filter and a carbon filter.

Key specs – CADR: 280m³/h; Max room size: 35m²; Power settings: 4; Dimensions (WDH): 25 x 25 x 45cm; Weight: 3. Otherwise, this has the same advantages as the smaller version: effective three-stage filtering, a built-in humidifying function and Sharp’s Plasmacluster ion technology, which – while it sounds like a weapon from a Halo game – works to kill odours, bacteria and mould.

As Dyson explains, 'formaldehyde is a polluting gas formed of carbon, hydrogen and oxygen that is commonly found in homes.

Our Dual 2-in-1 dehumidifier and air purifier is the perfect option to efficiently reduce humidity and moisture in the home, as well as purifying the home. It is efficient at capturing odours, airborne particles like dust, pollen and other allergens, tobacco smoke, cooking and fireplace smoke, pet dander and mould spores. We’re not sure how well that works in practice, but the UA-HD40U-L is impressively efficient at filtering out impurities and very quiet at its automatic and low-power settings. This device is lightweight and small enough to be portable, allowing you to place it on the floor, table, window sill, or chest of drawers - although it's not battery-powered so will need to be near a power source.Electrostatic filtration – this charges small particles so that they stick more easily to the filters. She’s now Ecommerce Editor at Ideal Home, offering expert advice on the best products for decorating your home and ensuring it functions smoothly. Sadly, in practice, we found the briiv's controls – both manual and App-based – a little fiddly and unresponsive. Otherwise, the Timer button lets you set the purifier to run for a specific duration before it enters Standby mode. levels from 356 micrograms per square metre to under 24 micrograms per square metre in less than two minutes, getting down to double digits within the first minute.