Best Cheap Air Purifier 2022: Our Top Picks

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If you're looking for the best cheap air purifier, we've got you covered right here.

Defining what a 'cheap' air purifier is, of course, going to depend on your budget and what your circumstances are, but generally speaking, more affordable options can be had for around £150/$150, or less.

With it, much like some of the best air purifiers out there regardless of cost, you'll want to keep an eye out for the extent to which purifiers can clean air, and for this, you'll want to look out for CADR ratings, or the clean air delivery rate.

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In addition, you'll want to keep an eye out for the max room size, and whether a purifier will fit the space you've got, and also the noise level - ideally, you'll want it to be as quiet as possible, and the very best purifiers can get lower than 30dB.

We've taken a look at what's available on the market today that aligns with what we think makes a fantastic cheap air purifier, and selected a number of options based on everything from specs to reviews.

So, let’s get to it – here are some recommendations for the best cheap air purifier out there today.

Best Cheap Air Purifier

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Best All-Round Cheap Air Purifier - Levoit Core 300

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Credit: Levoit
Brand: Levoit | Max Room Size: 219 ft² | Filtration: Pre-filter, True HEPA filter, activated carbon filter

The Levoit Core 300 looks to be an excellent choice for those after an all-rounder for a cheap air purifier.

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With it, you'll be getting access to a purifier that comes with 3-in-1 filtration including a pre-filter, a True HEPA filter and an activated carbon filter so you can get the cleanest air possible.

Read More: Are Air Purifiers Worth It?

In addition, the Levoit Core 300 is also said to be rather quiet thanks to Levoit's QuietKEAP tech inside that should also mean this is a great choice for those wanting to use it in a bedroom, as it won't disturb you while you sleep.

This air purifier is also rated for use in rooms up to 219 square feet in size, which means it's likely to be better for smaller spaces, but should definitely be capable while it's in there.

Best Cheap Air Purifier For Features - HoMedics TotalClean Tower Air Purifier

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Credit: HoMedics
Brand: HoMedics | Max Room Size: 75m² | Filtration: HEPA filter, carbon odour filter, ioniser, UV-C light

If it's oodles of features you're after, look no further than the HoMedics TotalClean Tower Air Purifier.

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For the price, it looks to be quite a powerful purifier, featuring loads of measures to help keep air clean, including a HEPA filter and a carbon odour filter, as well as a UV-C light to combat germs, and an ioniser inside, too.

Read More: Air Purifier vs. Dehumidifier: What's The Difference?

The HoMedics TotalClean Tower Air Purifier also features a quoted noise level of between 30 and 52dB, which means it should also be pretty quiet. For reference, 30dB is equivalent noise to someone whispering.

This purifier is also rated to work in small to mid-range rooms, with a rated max room size of around 800 square feet, or 75m², meaning you should be able to plonk it down and get some great performance out of it.

Best Cheap Smart Air Purifier - Toshiba Air Purifier CAF-W36USW

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Credit: Toshiba
Brand: Toshiba | Max Room Size: 222 ft² | Filtration: Pre-filter, True HEPA filter, activated carbon filter, UV-C light

The Toshiba Air Purifier CAF-W36USW is a fantastic choice for anyone wanting to add some smart capabilities to their air purifier.

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With it, you'll be getting both Wifi-capability and the powers of Alexa, Amazon's smart assistant, for hands-free operation. You could also therefore connect this purifier up to an existing smart home system, if you've got one.

Read More: Best Smart Fan 2022: Our Top Picks To Keep You Cool

In addition, the Toshiba Air Purifier CAF-W36USW also has a three filter setup, comprised of a pre-filter, HEPA filter and activated carbon filter, and also has a UV light sanitizer that can also help to kill bacteria.

This air purifier should also be rather quiet, with a quoted noise level of just 32dB, although on its lowest setting.

Best Cheap Air Purifier For Design - Blueair 411 Auto

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Credit: Blueair
Brand: Blueair | Max Room Size: 190 ft² | Filtration: Pre-filter, particle filter, carbon filter

The Blueair 411 Auto is arguably one of the best-looking air purifiers out there for the price.

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It's definitely a sleek looking purifier, with a high quality fabric finish on the outside, and with a choice of five colours, you'll be sure to find one you like.

Read More: Best USB Fan 2022: Our Top Picks

In addition, the Blueair 411 Auto also comes with three-stage filtration with a pre-filter, particle filter and a carbon filter, as well as what Blueair calls HEPASilent technology, which offers similar filtration levels to that of a True HEPA filter.

This purifier should also be good to work in rooms up to 190 square feet in size, which means it'll be good for smaller rooms, and represents an increase in max room size over the previous model.

Best Cheap Air Purifier With UV-C - Germ Guardian AC4825

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Credit: Germ Guardian
Brand: Germ Guardian | Max Room Size: 167 ft² | Filtration: Pre-filter, True HEPA, carbon filter, UV-C light

The Germ Guardian AC4825 looks to be a great air purifier for those after the powers of UV-C to help to eliminate bacteria.

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The UV-C light should help to kill germs and mold spores and combines with the other three stages of filtration in the form of a pre-filter, carbon filter and a True HEPA filter to offer some brilliant filtration and purification.

The Germ Guardian AC4825 is also designed to work in smaller rooms, with a quoted max room size of 167 square feet, meaning it should be a good fit as a personal purifier in places such as bedrooms.

In addition, with a black and silver colour scheme, this also looks to be quite a modern looking purifier, too.

Frequently Asked Questions

Are cheap air purifiers worth it?

In our humble opinion, we'd say that cheap air purifiers, such as those listed above, are certainly worth it if you're wanting to experience the power of a purifier at a more affordable cost.

They may work for smaller rooms, and might be louder than some of the more expensive options, but should still be perfectly capable for most people.

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Should I run my air purifier 24 hours a day?

There's certainly nothing wrong with running an air purifier for 24 hours a day, given it will ensure that the air around you will be constantly filtered and purified so it's the cleanest it can be.

How long does it take for an air purifier to clean a room?

This depends on a few factors, such as room size and the power of your air purifier. Generally speaking, for smaller rooms, a purifier should be able to clean a smaller room in around half an hour, while for larger rooms, it can be between two and three hours.