Clean Air Lab

Honest UK air purifier reviews. We test and compare air purifiers so you can buy with confidence.

Take the air purifier quiz

54 air purifiers reviewed18 brands comparedIndependent & UK-focusedUpdated 2026

Top-rated air purifiers

Popular brands

View all brands →

Buying guides

All guides →

Best Air Purifiers

Our overall top air purifiers, tested and ranked.

See picks →

Best Air Purifiers for Allergies in the UK

HEPA purifiers that cut pollen, dust and pet dander.

See picks →

Best Air Purifiers for Large Rooms in the UK

High-CADR units for big living spaces and open-plan rooms.

See picks →

Best Air Purifiers for Pets in the UK

HEPA plus carbon to tackle pet dander and odours.

See picks →

Best Quiet Air Purifiers for Bedrooms in the UK

Low-noise purifiers with sleep modes for the bedroom.

See picks →

Best Air Purifiers Under £100 in the UK

Genuinely good purifiers that won't break the bank.

See picks →

Best Air Purifiers for Bedrooms in the UK

Quiet, compact purifiers with sleep modes for a healthier night's air.

See picks →

Best Air Purifiers for Smoke and Odours in the UK

HEPA plus activated carbon to clear smoke, cooking smells and VOCs.

See picks →

Best HEPA Air Purifiers in the UK

True HEPA models that capture 99.97% of fine particles down to 0.3 microns.

See picks →

Best Smart Air Purifiers in the UK

Wi-Fi purifiers with app control, scheduling and air-quality sensors.

See picks →

Best Air Purifiers Under £200 in the UK

The sweet spot: strong coverage, smart features and good filtration for the money.

See picks →

Best Air Purifiers for Small Rooms in the UK

Compact, low-cost purifiers sized for bedrooms, nurseries and desks.

See picks →

Do Air Purifiers Actually Work? (UK 2026)

The honest answer on what air purifiers can and cannot do for your home's air.

See picks →

Air Purifier Buying Guide: How to Choose (UK 2026)

CADR, HEPA, room size, noise and running costs explained in plain English.

See picks →

Where to Place an Air Purifier for Best Results

The right spot, height and clearance to get the most from your purifier.

See picks →

How Often Should You Change an Air Purifier Filter?

Typical filter lifespans, the signs it is due, and how to keep costs down.

See picks →

HEPA vs Carbon Filter: What's the Difference?

What each filter removes, why most purifiers use both, and what to look for.

See picks →

Air Purifier Running Costs in the UK (Electricity + Filters)

What a purifier really costs to run, from electricity to replacement filters.

See picks →