There is also an active carbon layer that traps and absorbs gaseous pollutants (VOC, NO2), fumes, cigarette smoke and odours. Very little compared to other household appliances. Electric heaters and dehumidifiers tend to draw 1,000 to 2,000 Watts but household air purifiers draw just 20-30W, costing you around 2p per hour at current (June 2023) prices. However, these can rise steeply with extra functions: “Those that have heating, cooling and dehumidifier functions will use much more energy than a standard filter unit,” Matt Thomas says. After giving up on trying to get the air purifier connected, we focussed on just the unit as a standalone appliance without the app. We started it off with it in the living room on the automatic setting. The Air Purifier 700 has a Multi Sensor system comprised of a set ofintelligent sensors that continuously detect and monitor the quality of the air inside. These sensors continuously analyse the air quality in terms of PM 2.5, PM 10 and Gas (VOC). I don’t know why I’d never considered an air purifier before to help control my allergies. I guess they have just been part of my life for so long that I’ve learnt to cope with them and never really considered that I could do anything to improve the situation.

Air purifiers capture particles in the air and trap them inside a H13 HEPA filter. The HEPA filter in the H-PURIFIER range can trap particles as small as 0.3 microns ( µm) or 99.97% of allergens, which includes all types of allergens such as tree pollen, plant pollen (flowers), grass pollen (hay fever), weed pollen, dander (pet allergen) and dust. The best air purifiers for mid-sized rooms 1. Sharp UA-HD50U-L: Best purifier and humidifier for mid-sized rooms Unlike dust and pollen, listing all the chemicals in smoke would be almost impossible, but the rule of thumb is that no smoke should be inhaled and all particles can be harmful. Is smoke harmful? Definitely not against a wall (unless the unit has been specifically designed that way). Air purifiers need to draw in air and redistribute it, so leave an arm’s length of space around each side. Put it in the room you spend the most time in, usually your bedroom or your child’s bedroom. What is the Clean Air Delivery Rate (CADR)? Some purifiers have a built-in timer. This can be really useful if you want your machine to come on a few hours before you get home, or if you want to turn it off automatically at night.It was around the same time that I was diagnosed with asthma. I had many episodes as a child related to my allergies and my asthma. There were numerous occasions when I ended up in hospital needing treatment and help to breathe. The Air Purifier 700 has a H-TRIFILTER Triple Layer Filtration system that combinesthree different filter layers in one, capturing and removing microparticles up to 0.1 micronsfrom the air inside your home. It is the outer layer that traps the largest particles like pet hair and dust. Pollen counts get higher and higher as spring approaches and then stay relatively high until autumn which can make those seasons which should be enjoyable a nightmare at times. As everyone’s immune system is different, some may have an allergic response and others won’t. It’s also true that not everyone’s allergies are the same. For example, some may be sensitive to grass pollen and seem to suffer during spring and summer, whilst others are allergic to pet dander which can cause them to suffer with allergies all year round.

I was very happy to find that having the Air Purifier 700 in the bedroom meant that I did not wake up with dry eyes or a stuffy nose. I had a feeling that perhaps dry air was causing these issues so I made sure to use the humidifier function. It’s really easy to use, you simply switch it on until it reaches the correct humidity level. This can be customed using the app but obviously, we weren’t able to do this. The H-PURIFIER range of air purifiers have a uniquely treated HEPA (H13) filter which not only captures the pollens but actively neutralises them*, making them harmless to allergy sufferers and preventing the allergic reaction (allergic rhinitis). Great-value option】 Save energy with the air purifier's DC motor, which uses little energy to operate and saves money, even while running on the highest fan speed 24/7. And Core 300S won the Red Dot 2021 and Energy Star Verified Smoke particles range in size from 0.1 to 1 micron in cigarettes, 10-100 microns in cooking smoke and 0.4-1 microns in exhaust smoke. Hoover home air purifiers capture particles as small as 0.3 microns, which means they can capture the vast majority of smoke particles – enough to feel, see and smell the difference.

Is smoke harmful?

Inside a Hoover air purifier is a HEPA (H13) filter as part of the H-TRIFILTER system, which traps particles up to 0.3 microns in size (for scale, the human eye can only see 25-micron particles). Wi– The HEPA filter traps the harmful particles whilst the active carbon filter traps odours. Perfect for filtering out smoke and cleaning the air in your home. As you’d expect from something carrying the Hoover logo, this appliance seems to be pretty good at purifying air, based on our experience with it over a few weeks. It’s also very capable at covering sizeable areas too, with suitability for rooms up to 100m2, which will suit most household needs we think.

At first, I was disappointed to see that our air quality is mostly very good. The levels remained consistently green and there weren’t many occasions when the device was triggered and activated. Can air purifiers remove dust? Efficient 3-Stage Filter System】 The first defence primary filter can filter dust, pet fur, lint; The second defence H13 HEPA filter trap airborne particles such as pollen, pet dander. The last defence activated carbon stage can effectively filter out unpleasant smoke and odours. 3-Stage defences protect your each breathes The HoMedics stays quiet at its lowest two settings, but noise levels ramp up on its highest setting to around 54.1dB, making it louder than some larger models. It uses between 16W and 34W while in use. Performance is in line with other small purifiers, taking just over four minutes to bring our PM2.5 particulates down to safe levels from a high of 387 micrograms per square metre. However, with a HEPA filter, a carbon odour filter, an ioniser and UV-C treatment to combat germs, the HoMedics has a more robust set of air treatment features than other purifiers in its class. It’s affordable, but not at all basic.

Sick of sniffling, sneezing and feeling low in your home? Find relief from your allergies with our pick of the best air purifiers

The H-Purifier 300, 500 and 700 all have pollen capturing and neutralizing built in as standard, as well as the pollen alerts. The difference between models is that the 500 comes with a diffuser which can release essential oils or H-BIOTICS probiotics to sanitise surfaces and create a more hygienic environment. The top of the range 700 comes with the diffuser and a humidifier.