Free UK air conditioning calculators. Work out the BTU you need, running costs and efficiency, plus honest buying guides.https://airconcalculator.co.uk/https://airconcalculator.co.uk/guides/air-conditioner-running-costs-uk/https://airconcalculator.co.uk/guides/air-conditioner-running-costs-uk/How to estimate air conditioning running costs using your unit's wattage and the current electricity unit rate, with a worked example for a UK home.Fri, 29 May 2026 00:00:00 GMThttps://airconcalculator.co.uk/guides/portable-vs-split-air-conditioning/https://airconcalculator.co.uk/guides/portable-vs-split-air-conditioning/How portable and fixed split air conditioners differ on installation, cost, performance and the rules that may apply, so you can pick the right type for your home.Fri, 29 May 2026 00:00:00 GMThttps://airconcalculator.co.uk/guides/air-conditioner-buying-checklist/https://airconcalculator.co.uk/guides/air-conditioner-buying-checklist/A practical pre-purchase checklist for UK buyers, covering BTU sizing, single vs dual hose, noise, energy rating, drainage, window fit and useful extra modes.Fri, 29 May 2026 00:00:00 GMThttps://airconcalculator.co.uk/guides/what-size-air-conditioner-do-i-need/https://airconcalculator.co.uk/guides/what-size-air-conditioner-do-i-need/A plain-English guide to sizing an air conditioner for UK homes, including the BTU rule of thumb and the factors that change the number.Fri, 29 May 2026 00:00:00 GMT