Pro Breeze9000 BTU Smart Portable Air Conditioner
- Noise
- 56–56 dB
- Capacity
- 9,000 BTU/h
- Rated input
- 780 W
- Room
- Up to 22 m²
Maximum-input illustration: about 20p/hour at 25p/kWh.
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Lowest Running-Cost Portable Air Conditioners UK
Rated input provides a comparable upper-use scenario. Actual consumption changes as compressors cycle, so this page never promises a fixed bill saving.
How this ranking works
Ordered by verified rated input watts, then cooling output per rated watt. The hourly illustration uses 25p/kWh and should be replaced with your own tariff in the calculator.
Last reviewed 4 August 2026. Affiliate commission does not change the order.
Pro Breeze
DreoPortable Air Conditioner 318S
- Noise
- 46–51 dB
- Capacity
- 7,500 BTU/h
- Rated input
- 800 W
- Room
- Up to 14 m²
Maximum-input illustration: about 20p/hour at 25p/kWh.
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VonHausHigh-Performance 9000 BTU Air Conditioner
- Noise
- 52–65 dB
- Capacity
- 9,000 BTU/h
- Rated input
- 1005 W
- Room
- Up to 18 m²
Maximum-input illustration: about 25p/hour at 25p/kWh.
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MeacoMeacoCool MC Series Pro 8000 CH
- Noise
- 52–54 dB
- Capacity
- 8,000 BTU/h
- Rated input
- 1005 W
- Room
- 16–26 m²
Maximum-input illustration: about 25p/hour at 25p/kWh.
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De'LonghiPinguino GentleJet Inverter Portable Air Conditioner
- Noise
- 43–50 dB
- Capacity
- 13,000 BTU/h
- Rated input
- 1035 W
- Room
- Up to 130 m³
Maximum-input illustration: about 26p/hour at 25p/kWh.
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EcoAirApollo 10K Smart Portable Air Conditioner
- Noise
- 51–58 dB
- Capacity
- 10,000 BTU/h
- Rated input
- 1090 W
- Room
- Up to 30 m²
Maximum-input illustration: about 27p/hour at 25p/kWh.
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EcoAirApollo 12K Smart Portable Air Conditioner
- Noise
- 51–58 dB
- Capacity
- 12,000 BTU/h
- Rated input
- 1245 W
- Room
- Up to 35 m²
Maximum-input illustration: about 31p/hour at 25p/kWh.
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electriQP12C 12000 BTU Portable Air Conditioner
- Noise
- 49–52 dB
- Capacity
- 12,000 BTU/h
- Rated input
- 1345 W
- Room
- Up to 30 m²
Maximum-input illustration: about 34p/hour at 25p/kWh.
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