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BTU (British Thermal Unit) measures an air conditioner's cooling power—how much heat it can remove from your space per hour. When shopping for the perfect air conditioning unit, consider your room size (you'll need approximately 20 BTU per square foot for effective cooling), energy efficiency rating (look for higher ratings to save on electricity bills), and noise levels (lower dB ratings mean quieter operation). Also important are features like programmable timers, remote control operation, and dehumidification capabilities. The right BTU rating ensures your unit efficiently cools your space without wasting energy or struggling to maintain comfortable temperatures.

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BLACK + DECKER BXEH60014GB - White Air Conditioning Unit - 6.5 litres capacity

Dimensions (CM): H: 57.0 W: 34.0 D: 24.0
2 year warranty
£189.00

Available to order
Delivery estimated from September 2026

Midea MPPA-07CRN7-QB6(A) - White Portable Air Conditioner - 7000 BTUs

Dimensions (CM): H: 70.5 W: 29.5 D: 29.3
2 year warranty
£229.99
Product unavailable
Unavailable

Midea MPPXA-09CRN7-QB6 - White Portable Air Conditioning Unit - 9,000 BTU - A energy

1 year warranty
£449.99

Available to order
Delivery estimated from September 2026