Guides
Buying guides, explainers and how-tos, newest first.
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The best air purifiers for pets and smells
Five purifiers for homes with dogs and cats, picked for cleanable pre-filters, pet filter options and carbon for smells, and what none…
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Is a Dyson purifier worth it? Dyson Hot+Cool vs Philips 3-in-1
Two purifier, fan and heater towers compared on what each maker publishes, how their heaters and filters differ, and when a plain…
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Levoit Core 300S vs Philips AC2220
The Philips moves more clean air and keeps its filter for about three years; the Levoit is smaller, works with voice assistants…
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Air purifier or dehumidifier for damp and mould?
A dehumidifier deals with damp; a purifier only filters particles. What UK guidance says, how to read litres a day, and when…
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How much does an air purifier cost to run? Electricity and filters
How to turn a purifier’s watts into kWh on low, top speed and standby, why top-speed yearly estimates run high, and how…
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Air purifier replacement filters: which fits, how often, genuine or compatible
Part numbers, change intervals and reset steps for the 26 purifiers we track, and what each maker says about compatible filters and…
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Do air purifiers help with hay fever? What the NHS and Allergy UK say
What the official UK guidance says about air purifiers and hay fever, what a filter can and can’t catch, and the steps…
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The best air purifiers for bedrooms, quiet enough to sleep with
Six air purifiers compared for a bedroom: how quiet each is on its lowest setting, whether its lights go off, and whether…
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The best air purifiers in the UK
Six air purifiers for UK homes, ranked on how much clean air they deliver for the room, how quietly they run on…