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Best Air Purifier UK – Sleep Well with High Quality Indoor Air

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Written By Connie

CPD Sleep Consultant

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29 April 2024 6 min read

Keep your indoor air quality at the top level & free of allergens using an air purifier. These air purifiers will improve your air quality and help you with your allergies by eliminating all of the allergens from the air – including dust, pollen and many others. Find out what the best air purifier UK has to offer.

It's not a secret that we need to keep our house , especially the indoor air that we cannot clean using nothing but an air purifier. However, you can spend a whole day cleaning, dusting and vacuuming the house and still end up with a runny nose or an off-putting smell in your house. The reason? The lack of the best air purifiers that would keep your indoor air quality at the top level.

Finding the best air purifier UK for your household isn't easy. The market is flooded with various products, so we can see how it could get overwhelming.

That's why we have done our best to find the greatest products on the market by comparing their specs, listening to customer feedback and sticking to trustworthy brands. Here are our picks that will make your air quality better.

Before you buy the best air purifier

Before you buy an air purifier UK– it’s important to know how the air purifiers work. These appliances are great for removing various particles from the air, using the filters and fans and you can expect them to remove pretty much all the particles like dust, smoke or pollen that may cause your trouble breathing. At the same time, if you have problems with mould spores, you can use this device to reduce the mould spores, reduce the overall level of humidity and therefore get the fresh air. 

The keyword here is particles. The air purifiers won't be very helpful in highly polluted environments, considering their lack of ability to remove foreign gasses from the air. Additionally, all of these appliances are tested in controlled conditions by the manufacturers, so keep in mind that some variations are to be expected.

Our top picks

Now's the time to meet our air purifiers UK market offers! We've tried and tested all of these air purifiers ourselves, we've compared them to one another and by the time we were done with our testing, we felt like it was safe to say that you're almost guaranteed to find a suitable product for yourself on our list.
    Gadgets & Tech 1
    a product image of Levoit Core 300 Air Purifier
    Levoit Core 300 Air Purifier
    BEST OVERALL
    Gadgets & Tech 2
    Levoit-LV-H132-Air-Purifier
    Levoit LV-H132 Air Purifier
    BEST VALUE
    Gadgets & Tech 3
    a product image of Philips Expert Series 2000i Air Purifier
    Philips Expert Series 2000i Air Purifier
    UPGRADE PICK
    Gadgets & Tech 4
    Acekool-Air-Purifier-Ioniser
    Acekool Air Purifier Ioniser
    BEST FOR LARGE ROOM
    Gadgets & Tech 5
    a product image of silentnight air purifier
    Silentnight Air Purifier
    BEST FOR PETS
    Gadgets & Tech 6
    Pro-Breeze-Air-Purifier
    Pro Breeze Air Purifier
    BEST FOR SMOKE
    Gadgets & Tech 7
    a product image of Electriq EAP500HC​ air purifier
    electriQ EAP500HC
    BEST FOR DUST

BEST OVERALL: Levoit Core 300 Air Purifier

Enjoy some high-quality air from a high-quality air purifier.
BEST OVERALL
a product image of Levoit Core 300 Air Purifier

For our top pick, we’ve gone with a Levoit Core 300. It’s a remarkable piece of tech that everyone should want in their home. It comes with a CADR rating of 187 – which is almost ideal by our high standards. This great air purifier covers up to 40m2 making it ideal for most medium-sized rooms.

Naturally, it comes with a true HEPA filter, so you can be certain it will trap even the finest airborne pollutants, clean the air effectively and ensure the needed fresh air.

Additionally, this one is quiet as a mouse at only 24 dB, thanks to QuietKEAP Technology, so you won’t have any problems sleeping with it. For optimal performance, Levoit recommends changing the filters every 6-8 months.

Advantages

Energy efficient, very quiet & portable
Low maintenance cost
Additional features like timer & display.

Disadvantages

Not suitable for large rooms.

BEST VALUE: Levoit LV-H132 Air Purifier

3-Stage Filtration System for the utmost air quality and budget-friendly shopping!
BEST VALUE
Levoit-LV-H132-Air-Purifier

Once again, we have a product from Levoit. Just like our previous model, this air purifier also comes with a 3-Stage Filtration System thanks to 3 separate filters working in unison.

What’s also important to mention is that this device, just like the previous one, doesn’t use UV/Ion light and doesn’t produce any ozone or other kind of secondary pollution.

Once again, the sleep mode allows this one to run ultra-quiet which makes this cheap air purifier an ideal for a bedroom.

Advantages

Very energy efficient with low maintenance cost
Sleep mode and night light feature
Noise-less & portable

Disadvantages

Only suitable for small rooms
Not the best air cleaning performance.

UPGRADE PICK: Philips Expert Series 2000i Air Purifier

An efficient, smart HEPA air purifier for all of your rooms!
UPGRADE PICK
a product image of Philips Expert Series 2000i Air Purifier

Expert Series 2000i from Phillips is one of the best looking and best-performing air purifiers on the market. It comes with a remote control, a true HEPA filter in addition to an activated carbon filter, making it very efficient and allowing it to remove 99.97% airborne particles ensuring excellent air quality.

This one also comes with a a night mode option and a few smart features and can be easily controlled via an app, however, the app takes some additional work. At its highest setting, this one can get as loud as 52 dB, which is pretty great for such a powerful machine.

Advantages

Suitable for small rooms
Highly-sensitive sensor and night mode
Home assistant integration and remote control& a smartphone app

Disadvantages

Remote control can stop working due to a glitchy app
May be more expensive than some similar products in this category.

BEST FOR LARGE ROOM: Acekool Air Purifier Ioniser

A big boy for the largest of the rooms!
BEST FOR LARGE ROOM
Acekool-Air-Purifier-Ioniser

If you need an air purifier for dust that does a great job even in the largest of the rooms, this air cleaner will do the work. The AF1 can clean 63m2 in just half an hour, making it perfect for entire floors or entire apartments, thanks to its fan speed.

An H13 HEPA filter works in unison with the three other filters and the negative ion generator to create the perfect, healthy environment in your home.

When talking about the maintenance, you’ll only need to replace the filters when the indicator flashes up and continue to use it for preventing the air pollution.

Advantages

Very fast – 3 fan speeds
Sleep mode – quiet operation
Ideal for entire floors.

Disadvantages

App connection is not the best
May be more expensive than similar products in this category.

BEST FOR PETS: Silentnight Air Purifier

Easily removable and washable pre-filter that grabs all the large particles!
BEST FOR PETS
a product image of silentnight air purifier

If you have pets in your home, you know how troublesome hair can be. Those hairs can easily clog the filters rendering the air purifiers virtually useless.

With this air purifier from Silentnight, you can easily clean the air purifier dust and hairs from the fine gauge sponge filter that catches all the pet dander and other larger particles.

Also, this one is quite good at eliminating unpleasant odours, which can be a huge help, especially if you live with multiple pets.

Advantages

Very energy efficient and low maintenance cost
A compact air purifier with 4 timer settings
Ionizing feature for the better air purification process

Disadvantages

Noisy
Needs to run at highest settings for the best results.

BEST FOR SMOKE: Pro Breeze Air Purifier

Say goodbye to cigarette smoke and improve your air quality!
BEST FOR SMOKE
Pro-Breeze-Air-Purifier

If you’re a smoker, we’re going to assume you have a designated space where you smoke, rather than lighting up wherever you please. That’s why we’ve selected this one.

It’s not the greatest or the most powerful, but with a specialized CADR rating for smoke – this one will clean out all the smoke residue from confined smoking spaces with ease.

It comes with an HEPA filter so it'll do a lot more than just get rid of the smoke and unpleasant odours.

Advantages

Easy to use
Built-in negative ion generator
Good value

Disadvantages

Quite noisy

BEST FOR DUST: electriQ EAP500HC

The best air purifier for dust filtration!
BEST FOR DUST
a product image of Electriq EAP500HC​ air purifier

If you are fighting the allergies and you have problem with dust, you'll want a high-quality air purifier for dust. Know your indoor air quality all the time with built-in LED indicator. With 7-stage filtration system, this electriQ air purifier offers a long-lasting and super-efficient fight against the dust.

It can work for 12 hours straight, allowing you to set 4 different fan speeds, where the fastest generates up to 66 dB of noise. At the same time, this feature allows you to regulate noise and lower it to sleep undisturbed. This air purifier for dust is suitable for spaces up to 130 m2.

Advantages

7 stages of air purification
LED air quality indicator
Timer, sleep mode and adjustable fan speed.

Disadvantages

It can be hard to find replacement filters from time to time
A bit heavier
More expensive than some similar air purifiers.

What to consider when buying the best air purifier

Before we get into our picks, it’s important that you understand what some of the key features are that you should look for in the air purifiers before you get one. Home air purifier shopping decision shouldn't be reached quickly, without considering these features.

an image of a man using the features of an air purifier

Not all of these are the same. Some are quiet, some aren’t, some have EPA some have filters and so on. On that note, here’s what we’ve considered when we’ve made our list with the best air purifiers.

CADR rating

First up, we have a CADR (Clean Air Delivery Rate) rating. At the first glance, this one can be quite confusing, but soon you realise the higher the CADR rating the more efficient the air purifiers are. In general, you should look for an appliance with a CADR rating of 180 or greater.

In essence, a CADR rating shows, in cubic feet per minute, just how much clean air can the air purifier produce at its highest speed setting. Additionally, you may find some models have a couple of different CADR ratings for each individual particle, like pollen or cigarette smoke. This can come quite in handy for those suffering from allergies because they can easily find the best air purifier for their specific needs.

HEPA filter

When it comes to filters in the air purifiers, ideally, you want to look for one with an air purifier HEPA filter. HEPA is an acronym for “high efficiency particulate air”. 

an image of a woman holding an epa filter

It is a high-quality filter that traps 99.97% of the airborne particles and air pollutants that are 0.01 microns and larger, contrary to popular belief that they only capture particles that are 0.3 microns and larger. To put things into perspective, most humans can’t see anything smaller than 60 microns, so that tells you a little bit about the effectiveness of this filter.

Unfortunately, many manufacturers advertise their HEPA air filters as equal to regular ones, but that's not the case and you should always try and find the air purifier with a True HEPA air filter – the one that's been tested.

Nose level

The thing about air purifiers is that they produce noise – not much, but some. As you might’ve guessed, that can pose a significant problem if you’re using it while you sleep, for instance.

Most air purifiers will operate somewhere between 20 and 60dB, with some exceptions both over and under. The good thing is, most of them have their noise levels printed on the label or the packaging, so you won’t have to guess. Ideally, you’d want your appliance to run as quiet as possible, but since everyone has a different level of tolerance for noise, you’ll have to play it by the ear.

Additional features/smart home integration

In addition to all of that, some of the newer models come with all sorts of additional features. Some will come with a remote controller, so you can turn it on or off, or lower the fan speed directly from your bed – if you’re using it in your bedroom. Some come with a programmable timer or a small light that indicates you need to replace your filter and so on.

an image of a woman setting up an air purifier

Finally, some of the latest models come with some smart features like app integration or integration with your virtual home assistant, which can come quite in handy if you want to program the working hours of the air purifier based on your schedule.

Tips for buying and using the best air purifiers

Before you decide to buy a new air purifier, we wanted to give you a few additional tips that you can follow to decrease the air pollution. 

Keep in mind that these appliances run on electricity and that some of them aren’t the most power-efficient. You’ll definitely feel their presence on your electricity bill. If that is something that may be a concern of yours, try and find the models with Eco modes that put the devices on standby when they sense that the air is pollutant-free.

Additionally, an air purifier needs to be maintained from time to time. The thing you’ll do the most is filter replacement and you can expect to replace a quality filter about once every 6 months. So, factor in the maintenance costs before you buy the air purifier.

Finally, if you plan on moving the air purifier from room to room, you may want to think about getting a portable device. Some air purifiers are bulky and aren't the easiest to move, so don't buy those if you know you'll move them around frequently.

The Advantages of owning the best air purifiers

Naturally, we can’t forget about the benefits of the air filtration system and there are a handful of them.

First up, removing the allergens and other particles like dust, pollen or smoke from the air relieves the symptoms of asthma according to CDC.

Next up, an air cleaner machine is also quite good at eliminating unpleasant odours from your home. if you happen to cook all day or if you are a smoker –  you won’t have to worry about the smell lingering for too long if you put the air purifier to use.

Finally, air purifiers can come in handy during the flu season. Most of those pathogens are spread through the air, so having an appliance that can trap those pathogens might be the difference between one household member getting sick and the whole house getting infected.

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FAQs about your new air purifiers

Finally, we wanted to answer a couple of additional questions that might be interesting to the readers. Here are some of the FAQs we’ve found and thought were worth checking when talking about the best air purifiers.

Can a HEPA filter from my air purifier remove coronavirus?

In a word – yes. The virus is approximately 0.125 microns in diameter, which is a lot more than the 0.01 microns that the HEPA filter capture. This does not mean that you should follow other cautionary measures.

How often do I need to change my filter from my air purifier?

Depending on the filter you’re using – you’ll have to change them anywhere from once a month to once a year for optimal performance.

How powerful of an air purifier do I need?

You should always choose the air purifier based on the size of the room you plan on using it in and compare it to the CADR rating of the appliance you plan on buying.

Should I sleep with an air purifier on?

It’s perfectly safe, even recommended, to sleep with an air purifier on. The only thing that might be bothering you is the sound, but other than that, it’s perfectly fine.

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About the author

Connie
As a CPD certified Sleep Consultant I know how important sleep is. And as a combination sleeper, I have found it difficult to get products to suit my sleep style. I have more than 2 years product testing experience with The Sleep Advisors which means I have slept on, with and under more than 500 products with varying degrees of success. This is added to more than 2 years experience as a product reviewer for Closer, Heat and Grazia magazines, so I've got a rigorous process. I love sharing my sleep testimonials with our readers and hearing their experiences too.
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