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Blueair Classic 405 review

Key features
Reviewed

The Blueair 405 is a large air purifier, around the size of a cabin-size suitcase. You can control it from your smartphone, but it’s otherwise a fairly basic model in terms of features, but did it impress when we pitted it against common household airborne pollutants in our tests? Read our full air purifier review to find out.

Included in our expert review
  • Pros and cons
  • What is it?
  • What's it great at?
  • Is there anything I should watch out for?
  • Is there anything else I should know?
  • Should I buy it?
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Technical specifications

Launched

Features

Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we test air purifiers
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Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Compare retailers

Prices updated daily

Prices are ordered from lowest to highest, irrespective of retailer rating or stock. We are not able to show every possible retailer and cheaper prices may be available. When you click on a retailer link on our site, we may earn affiliate commission. This supports our not-for-profit mission to empower consumers and in no way affects our recommendations. Find out more.

RetailerRetailer ratingPriceIn stock
AO.com
£499.00
Go to store
Freenet Electrical
Not rated
£499.00
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John Lewis & Partners
Not rated
£499.00
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Box.co.uk
Not rated
£499.00
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Littlewoods
£599.99
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Make smarter choices

We have tested 33 air purifiers and found that there are 4 Don't Buys and 11 Best Buys.
Range of Air purifier scores
  1. 25%
    Lowest score
  2. 64%
    Average score
  3. 85%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to air purifiers we've tested
Try Which? for £1
You can cancel at any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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