Guides
Portable AC, explained for UK homes.
Sizing, venting, running costs, honest comparisons and heatwave buying strategy — practical answers for hot British flats, from the people who watch store-level stock all summer.
All guides
What size portable air conditioner do you need? BTU and kW for UK rooms
How to size a portable air conditioner for a UK room: BTU and kW explained, rule-of-thumb capacities by floor area, and when to size up or down.
Portable AC vs fan vs evaporative cooler: what works in a UK flat
Fans, evaporative coolers and refrigerant portable air conditioners compared honestly for UK homes — humidity, real cooling effect, cost and noise.
How to actually get a portable air conditioner in a UK heatwave
Why portable air conditioners sell out within days of a UK heat forecast, why online stock pages lag store reality, and a practical plan for finding a unit.
Portable air conditioner running costs in the UK: worked examples
What a portable air conditioner really costs to run in the UK — the simple arithmetic, worked evening and all-day examples, and how to cut the bill.
How to vent a portable air conditioner in a UK home
Venting options for sash windows, uPVC casements and rented flats — seal kits, no-drill setups, condensation, and why "no vent needed" claims mislead.
How to keep a flat cool in a UK heatwave (before you buy AC)
Practical, low-cost ways to keep a UK flat cooler in a heatwave — shading, night purging, appliance heat and top-floor tactics — and when it is time for AC.
Ready to buy?
When you know what you need, the fight is finding one in stock. Check confirmed availability at monitored stores near any UK postcode for free, or get restock alerts — one-time from £4.90, no subscription, 14-day full refund.