
Coway Airmega Mighty AP-1512HH
For allergy-prone homes and pet owners who want fast, low-running-cost cleaning, this purifier sweeps large rooms with a 421 m³/h CADR and long-life HEPA capture that outpaces most budget rivals.
If you live with allergies, pets, or smoke and want cleaner air in bedrooms or living rooms without constant fiddling, this Coway Mighty handles that job quickly and efficiently. It’s the sort of purifier people search for when they need reliable HEPA filtration, low energy draw and easy maintenance. ## What makes it worth it The AP-1512HH pairs a high clean-air delivery rate (CADR 421 m³/h) with Coway’s multi-stage filtration (pre-filter, deodorisation layer and Green HEPA/HyperCaptive media), which the vendor says captures ultrafine particles down to 0.01 µm. Its Smart Eco mode throttles fan speed and even pauses the unit when the air is clean, keeping power use low, and the replaceable main filter lasts up to 12 months in typical use. Coway backs the unit with a three-year manufacturer warranty and an optional ioniser you can switch off when you prefer. ## Where it falls short Filters are consumables and annual replacements add to lifetime cost, and the design is functional rather than stylish compared with pricier purifiers that include app control or more advanced sensors. Buy this if you want a proven, high-CADR purifier for medium-to-large rooms that runs cheaply and reliably; skip it if you need smart-home integration or the absolute quietest night-time operation.
£219.99
Buy nowBuy if
You want a proven, fast-cleaning HEPA purifier for allergies, pets or smoke in medium-to-large rooms and value low running costs and reliability.
Skip if
You want integrated smart-home control, the absolute quietest night operation, or prefer a sleeker, design-led unit despite higher cost.
What we found
Clean Air Delivery Rate (CADR)
421 m³/h
Maximum room coverage
Up to 109 m² (purifies ~43 m² in ~15 minutes)
Filtration efficiency
Pre-filter + Deodorisation + Green HEPA (claims capture down to 0.01 µm, up to 99.999%)
Filter replacement interval
Up to 12 months (depending on use)
Energy-saving Smart Eco mode
Smart Eco (auto-adjusts and pauses)
Optional ioniser
Ioniser with on/off control
Warranty length
3-year manufacturer warranty
Ready to buy?
£219.99