10 Best Quiet Air Conditioner in The UK

Last updated on 16/07/2025

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Morphy Richards Flexifreeze Portable Air Conditioning Unit, 12k BTU, Remote Control, Water Full Indicator, Timer Function, 3 Fan Speeds, A Energy Rating, Home, Office, LED Display, 824000

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Why We Love It

Efficient cooling for large rooms.
Powerful moisture extraction capabilities.
Versatile three-in-one functionality.

Main Highlights

12k BTU Cooling Power with Class A Energy Rating: Combines reliable cooling performance with low environmental impact, efficiently cooling and conditioning large rooms up to 24m² while helping to minimise running costs.
Powerful Dehumidification: Extracts up to 40 litres of moisture daily with a large 1.5L water tray and self-evaporating system, maintaining a healthier home atmosphere.
3-in-1 Multi-Functional Design: Offers air conditioning, dehumidifying, and cooling modes to suit your needs, making it a versatile solution for year-round use.
Intuitive LED Display and Remote Control: Provides seamless and convenient adjustments to settings from anywhere in the room for effortless operation.
Convenient 24-Hour Timer: Allows you to programme your cooling schedule with ease, enhancing control and ensuring comfort throughout the day or night.

8000 BTU Air Conditioner, 4 in 1 Portable Air Conditioner, Dehumidifier, Fan, Air Purification for 150-300 sq.ft, Ultra Quiet, 24H Timer Cooling for Home [Energy Class A]

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Why We Love It

Powerful cooling capacity available.
Multiple functions in one device.
Easy to move and install.

Main Highlights

❄️【4-In-1 Multifunctional Air Cooler】Portable air conditioner featurs cooling, fan, air purification and dehumidifier modes in one all. Powerful compressor-based cooling delivers rapid, room-wide temperature drops. Eliminate dampness and prevent mold with efficient condensation technology, adjustable air humidity between 30%-90%. 3 speed settings quickly remove heat and lower the indoor temperature. Air purification effectively removes odours from the air and releases fresh air.
❄️【Real-Time Display, Autonomous Control】Check the temperatures at a glance with a LED digital display showing the current temperature. A multi-functional control panel and autonomous settings make your life more convenient. Freely adjust the temperature (16°-30°) and room humidity (30%-90%) to control your comfort level anytime, anywhere.
❄️【Programmable Timer & Sleep Mode】24-hour timer of the ac unit portable allows you to set the auto on and off time. Prepare a cool room before you arrive home or help you save energy when it gets cool enough late at night. Sleep mode, this portable AC unit will automatically reduce the fan speed to reduce (3 speed settings) the noise to 50db, helping you have a good sleep.
❄️【Hassle-Free Installation & Movability】8000 BTU air conditioner portable is designed for portability, 4Pcs roll casters wheels allows you easily move airconditioner between rooms. The air filter is easily removable for easy cleaning. Innovative upgraded air conditioner utilises a water system to transfer heat generated by the compressor to water, eliminating the need to install pipes for exhausting air through windows. Before use, simply add at least 1 litre of water to the 3-litre large-capacity water tank to achieve rapid cooling, making it simple and quick to use.（Not equipped with remote control）
❄️【EXCELLENT AFTER-SALES SERVICE】- We provide 24 customer support to keep you away from after-sales worries. If you are not satisfied with Guong air conditioner or have any other questions, please contact us. Our after-sales service experts will reply to your information within 24 hours, We will do our best to solve your problems.（Note: The front of the device is defined as the side facing the display screen. It is not recommended to use the device in overly enclosed spaces.）

Midea Portable Air Conditioner Silent Cool 26 Pro, 9000 BTU 2.6kW, Silent Quiet Mode, Cooling&Ventilation&Dehumidification, Room Size up to 88m³(33㎡), Mobile Air Conditioning Units,White

Why We Love It

Eco-friendly for a greener planet.
Guarantees energy-efficient cooling.
R290 refrigerant enhances performance.

Main Highlights

3-in-1 air conditioning system Comfort through selectable operating mode: cooling, dehumidifying, ventilating; 2.6kW/h cooling capacity for rooms approx. 80m³ (31㎡), 62.4L/24h dehumidifying capacity, 2 selectable air outputs
Extra quiet Even when it is working, the Silent Pro air conditioning unit is whisper quiet thanks to the Midea Silent technology with a sound pressure level of just 45 db. A clearly designed control panel, a remote control supplied and optimal air distribution ensure perfect temperatures in all rooms up to a size of 31㎡
Follow-Me function Perfect comfortable temperature. Remote control equipped with a temperature sensor controls and regulates the room temperature. If the remote control is near you, the device automatically takes care of your personal comfortable temperature
Refrigerant R290 R290 is a safe refrigerant. It has no ozone depletion potential, only a low global warming potential (GWP) and works energy-saving and efficiently. Temperature range: 17°C-35°C.
Auto-Swing Automatic swing function of the air outlet grille for the even air distribution in the room at the touch of a button

Dreo Portable Air Conditioners, AC Unit for Bedroom with Drainage-free Cooling, 46dB Quiet, APP/Voice/Remote, 24h Timer with Fan & Dehumidifier, Smart Air Conditioner for Room Indoors

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Why We Love It

Powerful cooling for summer heat.
Whisper-quiet operation for comfort.
Convenient smart control options available.

Main Highlights

Go Big on Cooling Power: The DREO portable air conditioner helps you keep the comfortable temp in the sweltering summer
Isolate Noise, Amplify Comfort: Featuring a new noise isolation system around the compresor, this portable air conditioners reduces noise down to a minimum 46dB, making it ideal for quiet places like bedrooms and offices
Drainage-free in powerful cooling when the humidify under 85%: Bring uninterrupted cold air to your room, thanks to DREO's new AC unit design, a dedicated condenser and water pump helps transfer excess water and reduces the need for drainage compared to traditional floor air conditioners
Smart Cooling at Your Fingertips: Use your favorite voice assistant (compatible with Amazon Alexa or Google Home) or the fully-featured Dreo App to control every aspect of your cooling experience, from multiple modes to fan speeds, timers and schedules, this standing AC has it all
3-in-1 Mode with Fan & Dehumidifier: Get more control of the way you cool thanks to the 3-in-1 mode including settings for cooling, dehumidifying and fan control in one, finding the ideal comfort setting is easier than ever with the DREO room air conditioner

Air Conditioning Unit 9000 BTU, LEENON Portable Air Conditioners, 4-in-1 Cooling Dehumidifier Fan & Sleep Mode, 2-Speeds Air Conditioners for Home, Remote Control, 24H Timer, Window Kit Included

20% OffFree Shipping

Why We Love It

Powerful 9000BTU cooling capacity.
Versatile 3-in-1 functionality available.
Easy installation without extra tools.

Main Highlights

9000 BTU Powerful Cooling: LEENON air conditioning unit provides 9000BTU cooling power by equipped with powerful and advanced refrigeration compressor technology, quickly cooling spaces up to 370 sq.ft, perfect for home, kitchen, basement, small storage or other small-to-medium spaces, our air conditioner ensure that your room stays down to 17 °C on the hot days on the hot days.
4-in-1 Cooling/Dehumidifier/Fan/ Slep Mode: LEENON portable air conditioner featurs cooling, fan, and dehumidifier modes in one all；Continuous dehumidifier mode makes your room dry and comfortable by emoveing excess moisture from the air; 2-speed fan mode creates a circulation of fresh air throughout your room. An energy-saving sleep mode that auto goes at a lower fan to conserve energy and keep you comfortable at night.
Simple Operation with Remote Contro: LEENON portable air conditioning unit offers a multifunctional control panel or remote control for effortless operation. Easily adjust cooling modes, temperatures (17 to 30 °C ), fan speeds etc.(Humidity is Cannot be adjusted in continuous dehumidification mode).With the LED display, you can easily track real-time temperature changes, and the child lock ensures no accidental presses
[Hassle-Free Installation & Movability] LEENON 9000 BTU air conditioner portable is designed for portability, 4Pcs roll casters wheels and side handles allows you easily move airconditioner between rooms. The air filter is easily removable for easy cleaning. Window panel kit and large exhaust hose are included, hassle-free to install, air conditioning fits most sliding windows and single/double hung windows.(Not: As dehumidifier,connect drain hose on upper outlet to continuously drain water)
24H Timer & A-Rated Energy: Our airconditioning portable unit have a 24-hour timer function, which allows you to freely set the cooling time to help keep your room cool and avoid wasting energy. In addition, this air conditioner A-rated for energy efficiency and uses eco-friendly R290 refrigerant for a greener cooling solution. Please regularly clean the air filter.
Reliable Customer Service: LEENON Offers satisfied customer service.If you have any problem with air conditioner unit or are not completely satisfied, please contact us directly, and we will respond within 12 hours.

Air Conditioning Unit, 7000BTU Air Conditioner with 2 Control Ways, Digital Display, Installation Kit, Low Energy, 1-24 H Timer, 4 IN 1 Ventilation Conditioning Cooling Modes for Room up to 25m²

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Why We Love It

Versatile four modes to choose.
Compact design fits any space.
Convenient remote control operation.

Main Highlights

4 Modes Selection: Cooling mode cools your large room in hot weather conditions; Fan mode provides powerful airflow; Dehumidification mode dehumidifies the air and keeps the room humidity around 50%. Silent mode operates quietly with effective cooling.
Compact & Portable with Night Sleep Mode: This air conditioner is compact in size and does not take up space. It is usually suitable for placing in every corner of the living room, room, and kitchen. In the night sleep mode, the fan speed will change to low speed, which cools down quietly and effectively, allowing you to have a good sleep.
4 In 1 Portable Air Conditioner: Cooling/ventilation/dehumidifier - the four-in-one air conditioning unit can accelerate indoor air circulation in the shortest time, reduce the temperature of the surrounding environment, let you feel cool instantly, and relieve the stuffiness in the air.
Easy Installation & Dual Window Kit: The configured ventilation kit and window seal are very simple and easy to understand. Even beginners can quickly master the installation method. Its size is suitable for most types of windows and meets the cooling needs of most families.
LED Display & Remote Control: The LED digital display of the portable air conditioner shows the current temperature, allowing you to easily understand the indoor temperature. The choice of remote control and touch control makes your life more convenient. Whether it is set at a close distance or a long distance, you can feel the comfort and coolness brought by the air conditioner.

Portable Air Conditioner, 4 in 1 Air Cooler, 1350ML Evaporative Conditioner 120° Oscillating 3 Speeds Tower Fan, 1-12H Timer Quiet Spray Air Cooler Fan for Home Office Travel

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Why We Love It

Powerful cooling technology available.
Multifunctional for all your needs.
Quiet operation for peaceful comfort.

Main Highlights

[Powerful Cooling Quickly] - The portable air conditioner has a unique rapid cooling technology that provides efficient cooling, instantly providing you with a powerful, cool and refreshing airflow. Add ice cubes and water to achieve better cooling effect.
[4-In-1 Portable Air Cooler] - Multifunctional tower fan with 4 functions including cooling fan, humidifier, air conditioner, sleep mode. Upgraded ultra quiet air cooler has strong wind power, quickly cools the air and keeps it moist, keeping your skin away from dryness.
[3 Speed & 120° Oscillation] - The portable air cooler has 3 adjustable wind speeds (low, medium, Storm Mode) .Upgraded portable air fan adopts with enlarged air outlet, 2X wider cooling area than traditional desktop fan, provides an uninterrupted airflow. Oscillation angles (45°/90°/120°) expands coverage,it effective circulating air throughout the room, eliminating hot spots.
[Large Water Tank & Mist Mode] - Evaporative air cooler equipped with a 1350ML large-capacity water tank for less refills and supports ice for extra chill. The 4-micron fine water spray ensures that the air remains comfortably moist. When used with an air conditioner, it can effectively alleviate the dryness caused by the air conditioner and improve the cooling effect.
[Timing & Ultra-Quiet ] - Enjoy low-noise cooling, even in storm mode, the noise level is less than 55dB. The air conditioner contains a 1-12 hour timing function and automatically shuts off after water shortage to ensure safety. Its lightweight and compact design make it effortlessly portable, allowing you to move it from room to room with ease.（Please pay attention to the quality of water, part of the water quality is not qualified will lead to the condensing plate effect is not good）

2025 New Climafy Air Conditioner, Climafy Portable Air Conditioner Split Max, Effortless Cooling Anywhere with Split Max, Quiet Operation for Home, Office (D)

Why We Love It

Rapid temperature control and relief.
Energy-efficient and cost-saving design.
Versatile for any space use.

Main Highlights

【Powerful Dual-effect Cooling and Heating】Experience rapid cooling relief! Conquer extreme weather! This 12,000 BTU portable AC drops temps by 10°F in under 30 seconds—ideal for bedrooms up to 450 sq ft. This 2-in-1 portable air conditioner delivers powerful cooling in the summer and seamlessly switches to efficient heating in the winter
【Energy-Saving and Silent】Climafy Portable Ac, Built-in high-efficiency energy-saving system, low operating voltage, energy saving and electricity saving Up to 94% of users reported a significant reduction in electricity bills. 92% of users said it is almost silent during operation, suitable for bedroom and office use, enjoy cool and quiet every day
【Effortless Smart Control】Control everything from your couch with the included remote instantly. Smart temperature control auto-maintains your ideal comfort, sleep or work undisturbed! Reach your perfect temperature in just 5 seconds for consistent, personalized comfort all year long
【Wall-Mounted or Portable Use】The Climafy pro air conditioner features a sleek, space-saving design that can be wall-mounted or used on desktops. Its versatile setup makes it the perfect solution for small spaces, apartments, and home offices, without compromising on power.
【Multi-function】Split Max air conditioner combines the advantages of cooling and heating, energy saving, quietness, and portability. Its comprehensive performance is 10 times higher than that of traditional air conditioners, perfectly balancing comfort experience and economic cost, making it an ideal choice for home and office use

Bidiowe Mobile Air Conditioners, 9.5L AC Unit Tank 60W Evaporative Air Cooler Automatic Light Off 60°/120° Oscillation 3 Modes 7H Timer Remote Control 3 Ice Box Quiet Cooling Fan for Home, Office

35% OffFree Shipping

Why We Love It

Large tank for uninterrupted use.
Fast cooling with silent operation.
Energy efficient and eco-friendly design.

Main Highlights

💦 【9.5L LARGE WATER TANK 】9.5L large removable water tank mobile air conditioners can be used continuously for about 20H at a time, no need to get up in the middle of the night to add water. The top is designed for adding water, you can add water directly after opening the cover, no need to bend down, fully considering the convenience of the elderly who are inconvenient to bend down, 4 360° swivel wheels allow you to easily move the air conditioner from one room to another room, move with ease.
💦【FAST COOLING】The portable air conditioner upgraded silent and powerful motor, wind power, speed up cooling. The overall air outlet design allows the air outlet speed to reach 8m/s.Advanced cooling technology, equipped with an industry-leading honeycomb cascade system. to get a better cooling effect, the air coolers for home comes with 3 ice crystals that transmits hot air over ice water to distribute the cold air throughout the room quickly.
💦 【3 Modes & QUIET OPERATION】This free-standing evaporative air cooler offers 3 modes and 3 wind speeds to meet your individual needs. the maximum fan speed reaches 8m/s, auto 60°lift and right oscillation and manually adjust the blowing direction up and down to 120°. Create your own cooling zone with this air coolers. The minimum wind speed is 40 decibels, which does not affect rest, and the light can be turned off, fully considering your sleep that is sensitive to light.
💦【POWER SAVING, FREON-FREE】Its working power is only 60W, which is definitely more efficient in energy saving than electric fans, and eliminates the high air conditioning fee. This mobile air conditioners is the best choice for summer power saving. The treatment of Freon-free is good for protecting the atmosphere and improving our living environment.
💦【4-IN-1 AIR COOLERS】 In addition to cooling the air quickly, our mobile air conditioner also have humidification, air purifier and fan functions. Wet curtain design behind effectively purify the air, circulates air circulation. Our air conditioning unit uses the power of evaporation to cool it, help you get rid of the hot summer. Suit for use in 20m² of space such as bedroom, living room, kitchen, office, etc.
💦【TIMER FUNCTION】 The air condition mini chiller has timer function.You can set the fan running hours 1-7H according to your needs. Don't worry that this product works all night or forget to turn off the fan at night or during a nap.
💦【LED DISPLAY & REMOTE CONTROL】The friendly LED control panel allows you to easily view the selected speed, mode and timer options. It also comes with a remote control that allows you to control the power, timer and wind settings of all air coolers from anywhere in the room.

Midea 7L 3-in-1 Air Cooler, Ultra Quiet, Sensicool Energy Saving, 6 Speeds & 5 Modes, 12H Timer, Detachable Filter, LED Display & Remote Control, AC Powered Tower Fan & Air Conditioner for Home & Work

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Why We Love It

Rapid cooling for summer relief.
Customizable airflow for personalized comfort.
Portable design for easy mobility.

Main Highlights

SUPERIOR COOLING TECHNOLOGY: Featuring Cascade Flow evaporative cooling technology and AC motor, delivering 2000m³/h airflow and 7.2m/s wind speed for rapid cooling. With a 7L water tank and included ice packs, this mobile air conditioner provides rapid cooling, perfect for combating summer heat while improving indoor humidity to prevent skin irritation.
CUSTOMIZABLE AIRFLOW: With 6 adjustable fan speeds and 5 cooling modes(Natural/Vapour/Baby/Sleep/AI), you can easily customise your comfort without limits. The 75° oscillation feature ensures even distribution of cool air, making it ideal for larger areas, while maintaining low noise levels as quiet as 28dB.
HIGH AIR QUALITY: The detachable and washable filter design allows for hassle-free cleaning to keep optimal performance, while the release of 2500cm³ cconcentrated negative ions, activates oxygen molecules to remove dust and freshen the air, ensuring a healthier living environment.
SMART ECO TECHNOLOGY: Equipped with temperature sensor, this air cooler fan can auto adjust the wind speed depending on the environment temperature to create a comfortable atmosphere, reducing energy consumption by optimising performance.
FLEXIBLE CONTROL & PORTABLE: Operating this air cooler is a breeze with the user-friendly LED display and remote control. Set the 12 hour timer for automatic shut-off and enjoy energy-efficient cooling without constant adjustments. With a portable design, complete with a built-in handle, its easy to move from room to room as needed.

8.7

Excellent

We scanned 817 products

We reviewed these offers relevant to the Quiet Air Conditioner within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Morphy Richards, Guong, Midea, Dreo, LEENON, NELGOLLE, Pnedeodm, Bidiowe, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Quiet Air Conditioner in the market, we considered we took a deep dive into 4086 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Morphy Richards Flexifreeze Portable Air Conditioning Unit, 12k BTU, Remote Control, Water Full Indicator, Timer Function, 3 Fan Speeds, A Energy Rating, Home, Office, LED Display, 824000. We love many things about this product by Morphy Richards. What sets it apart from the competition is Efficient cooling for large rooms. , Powerful moisture extraction capabilities. , Versatile three-in-one functionality. .
The best value product for most shoppers and where user satisfaction is continuously the highest is 8000 BTU Air Conditioner, 4 in 1 Portable Air Conditioner, Dehumidifier, Fan, Air Purification for 150-300 sq.ft, Ultra Quiet, 24H Timer Cooling for Home [Energy Class A] by Guong based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Quiet Air Conditioner and the best cost-to-value ratio is Bidiowe Mobile Air Conditioners, 9.5L AC Unit Tank 60W Evaporative Air Cooler Automatic Light Off 60°/120° Oscillation 3 Modes 7H Timer Remote Control 3 Ice Box Quiet Cooling Fan for Home, Officeat Bidiowe with a 35% discount.
Our list of the best Quiet Air Conditioner is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Quiet Air Conditioner in The UK

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We scanned 817 products

We concluded that: