10 Best Quietest Portable Air-conditioning Unit in the UK 2025
Updated on 05/08/2025
#1
Recommended
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- 9000 BTU cooling capacity, effective for spaces up to 215 square feet.
- Four operating modes: cooling, night mode, dehumidifying, and two-speed fan.
- Easy installation with a dual window kit for various window types.
- Night mode gradually raises temperature and reduces fan speed for comfort.
- Eco-friendly R290 refrigerant ensures energy efficiency.
- Remote control and digital display for convenient operation.
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- 9000 BTU cooling capacity, effective for spaces up to 215 square feet.
- Four operating modes: cooling, night mode, dehumidifying, and two-speed fan.
- Easy installation with a dual window kit for various window types.
- Night mode gradually raises temperature and reduces fan speed for comfort.
- Eco-friendly R290 refrigerant ensures energy efficiency.
- Remote control and digital display for convenient operation.
#2
Value for Money
7% Off
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- Designed for installation in the UK
- Recommended for areas of 13-20m²
- Cooling capacity of 10,000 BTU/h
- Efficient operation with an EER of 3.1, achieving A+ energy class
- Intuitive interface and remote control for precise temperature control
- Quiet operation at 50 dB(A)
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- Designed for installation in the UK
- Recommended for areas of 13-20m²
- Cooling capacity of 10,000 BTU/h
- Efficient operation with an EER of 3.1, achieving A+ energy class
- Intuitive interface and remote control for precise temperature control
- Quiet operation at 50 dB(A)
#3
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- Compact 4-in-1 unit functions as an air conditioner, fan, dehumidifier, and air purifier.
- Cooling capacity of 9000 BTU effectively cools rooms up to 25 square meters, with dehumidifying capability.
- User-friendly controls with a 24-hour timer, LED display for temperature, and remote operation.
- Includes all necessary installation accessories for easy setup.
- Portable design with casters for mobility and quiet operation due to advanced noise-reduction technology.
- Utilizes eco-friendly R290 refrigerant for sustainability and cost savings.
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- Compact 4-in-1 unit functions as an air conditioner, fan, dehumidifier, and air purifier.
- Cooling capacity of 9000 BTU effectively cools rooms up to 25 square meters, with dehumidifying capability.
- User-friendly controls with a 24-hour timer, LED display for temperature, and remote operation.
- Includes all necessary installation accessories for easy setup.
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#4
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- Cooling mode effectively lowers room temperature; Fan mode offers strong airflow; Dehumidification mode maintains humidity levels around 50%; Silent mode provides quiet operation.
- Compact design fits easily into various spaces, including living rooms and kitchens; Night sleep mode ensures low fan speed for quiet cooling while you rest.
- Versatile 4-in-1 unit functions as an air conditioner, ventilator, dehumidifier, and cooling system, enhancing air circulation and reducing indoor temperature quickly.
- Simple installation with a dual window kit; suitable for most window types, making it accessible for all users regardless of experience level.
- LED display shows current room temperature; Remote control functionality adds convenience for adjusting settings from a distance.
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- Cooling mode effectively lowers room temperature; Fan mode offers strong airflow; Dehumidification mode maintains humidity levels around 50%; Silent mode provides quiet operation.
- Compact design fits easily into various spaces, including living rooms and kitchens; Night sleep mode ensures low fan speed for quiet cooling while you rest.
- Versatile 4-in-1 unit functions as an air conditioner, ventilator, dehumidifier, and cooling system, enhancing air circulation and reducing indoor temperature quickly.
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#5
25% Off
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- Dual motor and dual fan system generates 30% more airflow with a combination of 3-blade and 5-blade designs for effective cooling.
- Large 1100ml water tank allows continuous operation for 10-12 hours; automatically switches to natural wind when water is empty. Supports three cooling modes: fan, humidifier, and combination with mist and ice.
- Ultrasonic mist fan enhances cooling by 30% and purifies air by capturing dust and bacteria; offers customizable wind and mist modes for personalized comfort.
- Features a timing function with 2, 4, 6, or 8-hour options, remote control usage up to 8 meters, and operates quietly at under 30 decibels to avoid sleep disturbances.
- Portable design with USB charging capability, compatible with various power sources; lightweight and equipped with a handle for easy transportation to different locations.
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- Dual motor and dual fan system generates 30% more airflow with a combination of 3-blade and 5-blade designs for effective cooling.
- Large 1100ml water tank allows continuous operation for 10-12 hours; automatically switches to natural wind when water is empty. Supports three cooling modes: fan, humidifier, and combination with mist and ice.
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#6
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- 3-in-1 functionality offers Cooling, Fan, and Dehumidifier modes for versatile use throughout the year. Dehumidifier mode efficiently removes up to 1.2L of moisture per hour, preventing dampness. Features multiple fan speeds and vertical swing for optimal air circulation, with Auto mode for automatic adjustments and Sleep mode for quieter operation.
- Operates quietly at 54 decibels at maximum setting, ensuring minimal disruption. The 24-hour timer allows for energy-efficient programming to fit your daily routine.
- Compact design allows for easy placement in small areas without losing performance. Portable with built-in castor wheels and side handles for convenient movement between rooms. Includes a washable air filter for straightforward maintenance.
- Comes with two adjustable window kits for easy installation on various window types and includes a remote control for convenient access to settings from anywhere in the room.
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- 3-in-1 functionality offers Cooling, Fan, and Dehumidifier modes for versatile use throughout the year. Dehumidifier mode efficiently removes up to 1.2L of moisture per hour, preventing dampness. Features multiple fan speeds and vertical swing for optimal air circulation, with Auto mode for automatic adjustments and Sleep mode for quieter operation.
- Operates quietly at 54 decibels at maximum setting, ensuring minimal disruption. The 24-hour timer allows for energy-efficient programming to fit your daily routine.
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#7
13% Off
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- Energy-efficient air cooler using upgraded motors and ice cooling technology, similar in power consumption to a light bulb. Ideal for personal use rather than cooling an entire room.
- Features remote control via an app for easy adjustment of mist, fan speed, and lighting from any location within the room.
- Versatile 4-in-1 functionality: serves as a portable AC unit, cooling fan, and humidifier with 7-color LED lights, doubling as a nightlight. Includes a rechargeable battery with a 12-hour usage time after charging via USB Type-C.
- Large 800ml water tank supports up to 10 hours of continuous cold air. Includes 3 ice crystal boxes for enhanced cooling, capable of lowering ambient temperatures significantly.
- Offers 3 wind speeds and 3 spray levels to accommodate various cooling requirements, with a maximum wind speed of 2.8m/s and mist output of up to 8ml/min.
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- Energy-efficient air cooler using upgraded motors and ice cooling technology, similar in power consumption to a light bulb. Ideal for personal use rather than cooling an entire room.
- Features remote control via an app for easy adjustment of mist, fan speed, and lighting from any location within the room.
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#8
13% Off
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- 1500ml water tank allows for extended cooling without frequent refills; automatically shifts to fan mode when water is low, ensuring safety and comfort.
- Sleep mode with adjustable timer settings (2, 4, 6, 8, or 10 hours) allows for quiet operation without disturbances during the night.
- Advanced dual-spray technology and 5 wind speed settings provide rapid cooling, adapting to various environments and user preferences.
- Equipped with a remote control for convenient operation from a distance, allowing adjustments to temperature, light color, and mist output.
- USB-powered with options for charging via power banks or sockets; features customizable RGB lights for a personalized atmosphere.
- Compact and lightweight design with a soft handle; versatile 5-in-1 functionality includes fan, humidifier, colorful lights, air conditioner, and timer.
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- 1500ml water tank allows for extended cooling without frequent refills; automatically shifts to fan mode when water is low, ensuring safety and comfort.
- Sleep mode with adjustable timer settings (2, 4, 6, 8, or 10 hours) allows for quiet operation without disturbances during the night.
- Advanced dual-spray technology and 5 wind speed settings provide rapid cooling, adapting to various environments and user preferences.
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#9
12% Off
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- 9000 BTU cooling suitable for rooms up to 400 sq ft, featuring a built-in thermostat allowing temperature adjustments between 16 to 31℃.
- Offers three functions: cooling, fan, and dehumidifier, with a moisture removal capacity of up to 1L/hour and adjustable fan speeds for efficient air circulation.
- Operates quietly at 54 decibels and includes a programmable 24-hour timer to enhance energy efficiency based on your schedule.
- Compact and portable design with wheels and handles for easy movement, and includes a washable air filter for low maintenance.
- Comes with adjustable window kits for various window types and a remote control for convenient operation from a distance.
- Specifications: Dimensions 330 x 280 x 710 mm, Weight 21.5 kg, Power Supply AC 220V-240V 50HZ, Power Cord 1.8m, Max Power Consumption 950W, Energy Rating Class A, Refrigerant R290, Airflow 270 m³/H.
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- 9000 BTU cooling suitable for rooms up to 400 sq ft, featuring a built-in thermostat allowing temperature adjustments between 16 to 31℃.
- Offers three functions: cooling, fan, and dehumidifier, with a moisture removal capacity of up to 1L/hour and adjustable fan speeds for efficient air circulation.
- Operates quietly at 54 decibels and includes a programmable 24-hour timer to enhance energy efficiency based on your schedule.
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#10
3% Off
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- 4-in-1 functionality combines cooling, dehumidifying, fan, and sleep modes for year-round use with two adjustable fan speeds.
- Operates quietly at 52dB and uses eco-friendly R290 refrigerant, optimizing energy efficiency and reducing electricity costs.
- Equipped with an LED display and remote control for easy temperature adjustment (16-32℃), 24-hour timer programming, and a child lock for safety.
- Features ergonomic handles and 360° casters for easy mobility; includes a window kit for quick installation in various window types (17"-53").
- Modern design with ABS frosted plastic, user-friendly control panel, and strong airflow capacity (330m³/h) suitable for spaces up to 20㎡.
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- 4-in-1 functionality combines cooling, dehumidifying, fan, and sleep modes for year-round use with two adjustable fan speeds.
- Operates quietly at 52dB and uses eco-friendly R290 refrigerant, optimizing energy efficiency and reducing electricity costs.
- Equipped with an LED display and remote control for easy temperature adjustment (16-32℃), 24-hour timer programming, and a child lock for safety.
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