BlueairClassic 605

HEPA filter

£699Typical price

Test score

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The Blueair Classic 605 is an expensive air purifier but, if it'll keep the air in your home clean and free from pollutants that can trigger allergies, it could well be worth the money. Read our full review to find out how it fared compared to cheaper air purifiers when we put it through our testing.

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cons

What's included?

What is it?
How effective is it at purifying the air?
Is it easy to use?
Is there anything else I should know?
Should I buy it?

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KEY TEST RESULTS
Dust removal
Quietness
Ease of use

Feb 2024Last checked by Which?
Feb 2019First reviewed by Which?
Nov 2017Released

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

How we test air purifiers

3 Apr 2024

Dust removal

How we test dust removal

Based on the rate at which the air purifier removed dust particles from the air in our test

Pollen removal

How we test pollen removal

Based on the rate at which the air purifier removed pollen particles from the air in our test

Smoke removal

How we test smoke removal

Based on the rate at which the air purifier removed smoke particles from the air in our test

Energy

How we test energy

We work out how efficient air puirifiers are based on their wattage and their ability to clean the air.

Ease of use

Overall
Quietness
Quietness on low power
Quietness on high power

How we test ease of use

We test how easy each machine is to set manually, via the remote and using a smart phone, if this feature is available. We also check how easy it is to carry out tasks such as removing and replacing the filters. We also measure how noisy each machine is on its lowest and its highest power settings.

Features
Remote control	No
Smart	Yes
Number of fan speeds	3
Timer	No
Night mode	Yes
Air quality sensor	No
Automatic mode	Yes
Filter type	HEPA filter
HEPA filter	Yes
Number of filters	3

Power
Wattage	84.3W

General
Weight	13.61kg
Height	65.3cm
Width	50cm
Depth	34cm

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Core 400S Smart True HEPA Air Purifier

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BlueairClassic 605