We ranked air purifiers on the metric that actually matters in a London flat: clean-air delivery rate (CADR) per pound, plus noise, filter cost and running cost. High-airflow MERV-13 kits win because they move a large volume of air through affordable media — the same principle behind the Corsi-Rosenthal box, packaged and quiet.
| # | Model | CADR | Best for | Price |
|---|---|---|---|---|
| 1 | Luggables XL 7-Fan | 681 m³/h | Open-plan / large rooms | £279 |
| 2 | Luggables 5-Fan | 369 m³/h | Bedrooms, one-beds | £229 |
| 3 | Carbon 4-Fan | High + carbon | Odours, VOCs, kitchens | £279 |
Ready to clean up your London air?
Luggable MERV-13 kits deliver up to 681 m³/h CADR — built on the Corsi-Rosenthal principle, from £229. Ships from Oxford in 2–3 days.
Shop the UK store → See all kitsWhy CADR beats brand names
A £600 sealed unit that filters 200 m³/h will clear a room more slowly than a £229 kit moving 369 m³/h. In a London living room with a main road outside, throughput is everything — you want several air changes per hour, quietly, without a filter subscription.
Luggable Ultra (5-Fan)
369 m³/h CADR · bedrooms & medium rooms (~450 sq ft) · MERV-13
10% off with STAROFFER
View →Luggable XL Ultra (7-Fan)
681 m³/h CADR · large & open-plan (600–750 sq ft) · MERV-13
10% off with STAROFFER
View →Luggable Carbon (4-Fan)
MERV-13 + activated carbon · odours, VOCs, kitchens
10% off with STAROFFER
View →MERV-13 vs HEPA — the honest version
HEPA captures a hair more of the very smallest particles, but usually at the cost of airflow and a pricier proprietary cartridge. MERV-13 captures the PM2.5 that drives health harm and lets a fan move far more air per watt. For homes, higher airflow at MERV-13 typically delivers cleaner air overall. Full comparison →
Frequently asked questions
What's the best air purifier for a UK home in 2026?
For most homes, a high-airflow MERV-13 kit offers the best clean-air delivery per pound. The Luggables 5-Fan suits bedrooms and one-beds; the XL 7-Fan suits open-plan spaces.
How much does it cost to run?
Around £2 a year in electricity for the fans (roughly 15W), plus 3M Filtrete MERV-13 media from about £58 a pair (each pair is two filters, lasting 6–12 months) — standard replaceable filters, not proprietary cartridges.