Smart features allow you to operate your purifier remotely or switch it on and off according to a schedule. You may also get useful data on air quality, temperature, humidity and more. 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. While the Vax PureAir 300 gives you even more airflow and covers larger rooms for less, the Sharp hits a sweet spot for price, performance and features, making it a great mid-range purifier for mid-sized rooms. What about a carry handle? These are handy if you need to move it from room to room. Wheels, a compact design and a low weight won’t go amiss here, either.

Spending more will get you something quieter with more power, but this is a decent little purifier for a small lounge, home office or bedroom if you’re working on a similarly sized budget. Please be aware that we currently cannot arrange for delivery of this product to the following postcodes: AB, FK, HS, IV, KA, KW, PA, PH, ZE, LL58-LL78, IM, TR, BT, PO30-41.

Filter replacement indicators aren’t crucial and not all air purifiers have them, but this is a helpful feature as a clogged air cleaner won’t work properly. You’re more likely to know Acer for its PCs, laptops or monitors, but its foray into air purifiers shows a lot of promise. The Pro P2 is a mid-sized tower – just under 58cm tall – with the top accommodating the fan’s grille, the minimal controls, and a 1.5in square OLED colour screen. The latter gives you the current PM2.5 reading, plus an at-a-glance air quality indicator, with the text turning from green through amber to magenta as it worsens. Key specs – CADR: 240m³/h; Max room size: 20m²; Power settings: 4; Dimensions (WDH): 51 x 19 x 53cm; Weight: 5.9kg; Filter replacement indicator: Yes; Warranty: 1 year If you wish to return your item to Robert Dyas, you can do so by the following method: 1. Request a Collection via Robert Dyas Customer Services

Air purifiers use different kinds of filters to do their job – usually, a large, washable, reusable pre-filter to collect bigger particles, plus a finer filter, which is usually a disposable high-efficiency particulate air (HEPA) filter. The length of time this lasts varies, but on average expect it to need replacing every six months (or fewer if you use the machine less). It’s the HEPA filter that catches all the tiny airborne nasties, and these are capable of catching particles as small as 0.3 microns, which is more than three times smaller than a cigarette smoke particle.LED DISPLAY AND LIGHTING - Cleaner air is made simple with this easy-to-use air purifier. This model offers a timer option for 2, 4 or 8 hours, as well as a handy Filter Change Reminder. It also features colour-changing LED lighting to suit any setting. Please note some larger products are delivered to kerb-side (the street outside your home), it is at the drivers discretion if they can deliver the item to another location on the property. LED DISPLAY AND LIGHTING - Cleaner air is made simple with this easy-to-use air purifier. This model offers a timer option for 2, 4 or 8 hours, giving you complete control. It also features colour-changing LED lighting to suit any setting. Breathe easy with the Russell Hobbs Ozone Free Clean Air Compact Air Purifier. This Air Purifier is perfect for small rooms up to 10m² and features an advanced 3-Layer filtration system, including a H13 HEPA filter. And with a CADR of 80m³/h, you can enjoy cleaner, purer air fast.

Noise is another factor – you don’t want to replace one irritation (allergies) with another (the sound of a jet plane in your room). For many, the hum is something that doesn’t bother them, but some purifiers can get very noisy. It’s also worth remembering that, while some machines are quiet on their lowest setting (where they’re often at their least effective), they might be loud on the fastest (where they’re working at their best).LED Display and Lighting– Cleaner air is made simple with this easy-to-use air purifier. This model offers a timer option for 2, 4 or 8 hours, giving you complete control. It also features colour-changing LED lighting to suit any setting. Breathe easy with the Russell Hobbs Ozone Free Clean Air Purifier. This Air Purifier is perfect for small to medium sized rooms up to 14m² and features an advanced 3-Layer filtration system, including a H13 HEPA filter. And with a CADR of 112m³/h, you can enjoy cleaner, purer air fast. Easy to Operate– With three speed settings that can be selected easily from the intuitive touch control panel, you can adjust air filtration to suit any room.