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.
Check on Amazon UKView verified specificationsVerified specification shortlist
Quietest Portable Air Conditioners UK
A lower published dB figure can help narrow a shortlist, but compressor starts, fan changes and test conditions still affect what you hear in a room.
How this ranking works
Ordered by verified maximum indoor noise, then minimum indoor noise. We do not convert manufacturer specifications into a claim of silence or an independent acoustic test.
Last reviewed 4 August 2026. Affiliate commission does not change the order.
De'Longhi
MeacoCirro+ 14000 BTU Inverter Smart Portable Air Conditioner
- Noise
- 42–51 dB
- Capacity
- 14,000 BTU/h
- Rated input
- 1550 W
- Room
- 25–35 m²
Maximum-input illustration: about 39p/hour at 25p/kWh.
Check on Amazon UKView verified specificationsMeacoCirro+ 14000 BTU Inverter Smart Portable Air Conditioner & Heater
- Noise
- 42–51 dB
- Capacity
- 14,000 BTU/h
- Rated input
- 1550 W
- Room
- 25–35 m²
Maximum-input illustration: about 39p/hour at 25p/kWh.
Check on Amazon UKView verified specifications
MeacoCirro+ 16000 BTU Inverter Smart Portable Air Conditioner
- Noise
- 42–51 dB
- Capacity
- 16,000 BTU/h
- Rated input
- 1750 W
- Room
- 35–40 m²
Maximum-input illustration: about 44p/hour at 25p/kWh.
Check on Amazon UKView verified specificationsMeacoCirro+ 16000 BTU Inverter Smart Portable Air Conditioner & Heater
- Noise
- 42–51 dB
- Capacity
- 16,000 BTU/h
- Rated input
- 1750 W
- Room
- 35–40 m²
Maximum-input illustration: about 44p/hour at 25p/kWh.
Check on Amazon UKView verified specificationsMeacoCirro 12000 BTU Smart Portable Air Conditioner
- Noise
- 45–51 dB
- Capacity
- 12,000 BTU/h
- Rated input
- 1350 W
- Room
- 20–30 m²
Maximum-input illustration: about 34p/hour at 25p/kWh.
Check on Amazon UKView verified specificationsMeacoCirro 12000 BTU Smart Portable Air Conditioner & Heater
- Noise
- 45–51 dB
- Capacity
- 12,000 BTU/h
- Rated input
- 1350 W
- Room
- 20–30 m²
Maximum-input illustration: about 34p/hour at 25p/kWh.
Check on Amazon UKView verified specifications
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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