9000 BTU Portable Air Conditioner with Sleep Mode and 24H Timer

Looking for a portable air conditioner in the UK that handles a medium-sized room without fuss? The Costway 9000 BTU portable air conditioner delivers 9,000 BTU of cooling, enough for spaces up to roughly 15m² at the usual ~600 BTU per square metre rule of thumb. That makes it a sensible match for a typical bedroom, home office or living-room corner during a hot spell. Run cost depends on the cooling kW draw and your tariff (around 26p/kWh in the UK), so an hour of cooling typically lands in the low tens of pence rather than pounds. The standout convenience here is the sleep mode, which keeps things settled overnight, paired with a 24-hour timer so you can schedule cooling to start before bedtime or switch off automatically after you nod off. Castor-friendly portability means you can wheel it from room to room as the day's sun moves around the house. Like all monobloc portable units, it vents warm air through an exhaust hose to a window, single-hose cooling rather than any ventless trickery. With a 24-hour timer, sleep mode and a price of £259.95, it covers the essentials of home air conditioning for buyers who want straightforward, schedulable cooling.