Best Design
Klarstein
Klarstein Grandbreeze Pro 12K
8.2/ 10
Amazon: 4.1★ from 780 ratings
£549.99
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Key features
- 12,000 BTU cooling (rooms up to 30m²)
- 4-in-1: cooling, dehumidifying, ventilation, fan
- Smart app control
- 24-hour timer and remote
- Modern, clean design
- Window sealing kit included
- R290 refrigerant
Our verdict
If aesthetics matter to you — and in a living room they might — the Klarstein Grandbreeze Pro is the best-looking portable AC here. Its clean, modern design doesn’t scream “industrial appliance” the way most portable units do. Behind the looks, it’s a capable 12,000 BTU unit with smart app control, covering rooms up to 30m². It includes cooling, dehumidifying, fan and ventilation modes with a 24-hour timer. The Klarstein brand is less well-known in the UK than Meaco or De’Longhi, but the build quality is solid, and the smart integration via the app works well. It’s priced between the mid-range and premium tiers, which is fair for the combination of performance and design.
Pros
- ✓Best-looking portable AC in this roundup
- ✓Strong 12,000 BTU cooling
- ✓Smart app integration
- ✓Solid build quality
- ✓Good for living rooms where aesthetics matter
Cons
- ✗Less well-known brand in the UK
- ✗Pricier than Black+Decker for similar BTU
- ✗Still heavy and bulky
- ✗Limited UK customer service options
- ✗Can sell out quickly
