10 Best Quiet Portable Air Conditioners in The UK

Last updated on 30/05/2025

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Bosch Cool 5000 with Inverter Technology Portable AC - 3-in-1: Air Conditioner, Dehumidifier, Fan - 3.4 kW for Rooms of up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode

Why We Love It

Energy-efficient and powerful cooling.
Whisper-quiet operation at 44 dB.
Easy control with pre-programmed modes.

Main Highlights

Powerful cooling (3.4 kW) is now also energy-efficient (A+, 1 kWh/h) and quiet (44 dB(A)) thanks to the Inverter Technology of the Bosch Cool 5000
Save up to 30% energy*: The Bosch Cool 5000 mobile air conditioner efficiently cools rooms up to 46 m² in size and consumes up to 30% less energy (*compared to mobile air conditioners without Inverter Technology)
Quiet at last: Thanks to the Inverter Technology, the Bosch Cool 5000 is pleasantly quietly at just 44 dB(A) and without annoying start-stop noises
Bosch Easy Cool Select: Thanks to the pre-programmed modes (Auto mode, Silent mode, Sleep mode), you can select the right setting for your everyday situation with just one click
Easy to transport and operate: The integrated hose enables easy handling and compact storage. The air conditioner can be controlled via the self-explanatory LED soft-touch display or the remote control with integrated timer

Dreo Smart 3-in-1 Portable Air Conditioner, 12000 BTU Drainage-Free Cooling AC Unit, 46dB Silent Mobile Air Conditioners for Bedroom & Room, APP/Voice/Remote Control, 24h Timer with Fan & Dehumidifier

Free Shipping

Why We Love It

Powerful 12,000 BTU cooling.
Whisper-quiet operation for comfort.
Smart app voice control features.

Main Highlights

Go Big on Cooling Power: The DREO AC516S portable air conditioner brings massive 12,000 BTU ASHRAE cooling capacity that reaches up to 14 ft. Helping 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
Hassle-free DIY Installation with Universal Window Kits: Don't worry about the window type or size, this air conditioner for bedrooms features multiple panel combinations that are easy to fit and secure on any window (from 17" to 53")
Superb Customer Service: Our friendly customer support works around the clock to solve any issues and give you all the product guidance needed when using Dreo AC Series

De'Longhi Pinguino Compact PACES72 Classic Compact Portable 8,300 BTU Air Conditioner, 3 in 1 Air Conditioning Unit, Rooms up to 60m³, A Energy Efficiency, Window Kit Included, Energy Class A, White

13% OffFree Shipping

Why We Love It

Efficient cooling for large spaces.
Saves energy, reduces costs.
Convenient remote and timer features.

Main Highlights

COMPACT COOLING - Pinguino Compact is a 8,300 BTU powerful cooling solution for living rooms, bedrooms and offices up to 60m³
QUIETER COOLING - Pinguino Compact has a 50% noise reduction from max to min speed
ENERGY EFFICIENT - Class A Energy Efficiency rating, Refrigerant gas R290, which is up to 696 times more environmentally friendly than traditional gases (696 times compared to the impact of Global Warming of R410 - F-Gas Reg. 517/2014)
EASY TO USE - Manage all functions including temperature, fan speed, timer and cooling function, Control with remote control, or use touch controls on the unit, Integrated handles and castors wheels make for easy transportation
3 IN 1 FUNCTIONALITY - Enjoy ideal comfort thanks to this multifunctional 3-in-1 unit with 2 speed settings, Separate dehumidifying function (21l/ 24 hours) for especially wet seasons or humid rooms and separate fan function to simply circulate air
WINDOW KIT INCLUDED - Window kit is included with 1.5m hose length, for easy installation
WINDOW KIT & CASTOR WHEELS - Window kit is included with 1.2m hose length, for easy installation, Easily move your air conditioner to the room of your choice with ease thanks to the integrated handles and castor wheels for easy portability

Air Conditioning Unit - Portable Air Conditioner 9000 BTU, 4-in-1 Energy Efficient Cooling & Dehumidifier, Quiet Operation, Digital Display, Window Kit, 24-Hour Timer, Covers Up to 215 sq.ft (20㎡)

15% OffFree Shipping

Why We Love It

Versatile year-round climate control.
Whisper-quiet energy-efficient operation.
Easy to move and install.

Main Highlights

🌀【4-IN-1 MULTIFUNCTIONAL DESIGN】: This portable air conditioning unit integrates cooling, dehumidifying, fan, and sleep modes to meet year-round needs. With 2 fan speeds, it ensures optimal comfort in various environments. Whether it's a hot summer or a humid rainy season, this air conditioner can handle it all with ease, providing a comfortable indoor climate whenever you need it.
🌍【ENERGY-EFFICIENT & ULTRA-QUIET OPERATION】: Powered by a GMCC compressor, this portable air conditioner operates at a noise level as low as 52dB, making it perfect for bedrooms and offices. The R290 eco-friendly refrigerant and Class A energy efficiency rating not only reduce environmental impact but also help you save on electricity costs, making it a smart and sustainable choice.
🎮【SMART CONTROL & USER-FRIENDLY OPERATION】: Featuring an LED display and remote control, this air conditioning unit portable allows you to easily adjust the temperature (16-32℃), set the 24-hour timer, and monitor the water-full indicator. The child lock function ensures the safety of children and pets, making it a reliable and family-friendly appliance.
🏡【EASY INSTALLATION & EFFORTLESS MOBILITY】: Designed with built-in handles and 360° casters, this portable AC air conditioner can be moved effortlessly between rooms. The included window kit is compatible with horizontal and vertical sliding windows (17"-53"), enabling quick and tool-free installation. Whether it's your living room, bedroom, or office, this unit adapts seamlessly to different spaces, providing cooling wherever you need it.
💎【2025 UPGRADED DESIGN WITH STYLISH LOOK】: This air conditioner unit portable features a sleek, upgraded design with ABS frosted plastic for a premium feel. The intuitive control panel and clear display enhance usability, while the powerful airflow of 330m³/h ensures rapid cooling for rooms up to 20㎡. Enjoy a comfortable and refreshing environment in no time with this modern and efficient cooling solution.

Air Conditioning Unit 14000 BTU, 4 in 1 Portable Air Conditioner with Cooler,Dehumidifier,Fan,Sleep Mode,LED Display,Remote Control,24H Timer,3 Speeds, Energy Saving for 550 sq ft Bedroom

17% Off

Why We Love It

Powerful 14000 BTU cooling capacity.
Optimal sleep with low noise.
Convenient remote control functionality.

Main Highlights

14000 BTU Compact & Powerful Air Conditioning Unit: Up to 500m³/h air circulation cool your room rapidly, cooling rooms up to 550 sq ft.
Strong Cooling But Compact Size: Measures 44×35×70 cm (L×W×H) and weighs just 26 kg. Portable air conditioner with 4 swivel wheels for effortless mobility even by a young kid.
Versatile 4 in 1 Air Conditioner Unit: Cooling (4100W), dehumidification, fan, and ultra-quiet sleep mode. Gently enjoy a cool, dry room with nice ventilation and sweet sleep only with one HUMILABS Air Conditioners
Energy Saving Class A Efficiency: with A-level energy efficiency, it means saving a lot cost than wall mounted air condition, minimize your electricity bill during the hot summer.
Remote Control and Easy Operation: Full-featured remote for timer, temp/humidity control, and mode switching. LED display + multi-function control panel for quick adjustments.
Easy Installation with Window Kits: No drilling needed for sliding windows. Simple setup with step-by-step guides and a space-saving design.

Air Conditioning Unit, 9000 BTU Portable Air Conditioner with 4-in-1 Cooling & Fan & Dehumidifier Function, Portable AC Unit with Digital Display & Remote Control, 24H Timer for Room Up to 450 ft

14% OffFree Shipping

Why We Love It

Efficient and energy-saving performance.
Versatile 4-in-1 functionality available.
User-friendly remote control design.

Main Highlights

Efficient Cooling: This 9000 BTU air conditioner features advanced compressor technology, making it both efficient and energy-saving. With a cooling capacity of 9000 BTU (2.6 kW), it is suitable for rooms up to 90 cubic meters (33 square meters), making it ideal for dorms, apartments, villas, campsites, offices, bedrooms, or living rooms. It is the perfect choice for every home and office during the hot summer months!
4-in-1 Multifunctional: Our 4-in-1 multifunctional air conditioning includes air cooling, fan, dehumidification, and sleep mode, meeting the varying needs of each season. In hot weather, the cooling mode provides refreshing relief; the fan mode offers gentle or powerful airflow; the dehumidification mode effectively removes moisture from the air, while the sleep mode ensures you have a quiet and undisturbed night.
Intuitive Operation: Our aircon unit features a multifunctional LED display panel, allowing you to easily set the fan speed and modes using the buttons located on the top of the unit. Additionally, with the included remote control, you can conveniently set the timer (1 - 24H), adjust the temperature (17°C - 30°C), and switch between modes from anywhere at any time. Furthermore, the air conditioner includes a child lock function, making it ideal for families with children and pets.
Easy Installation and Portability: This 9000 BTU air conditioner unit portable with an exhaust hose weighs only 22 kg and has dimensions of 80x46x40 cm. Equipped with four wheels and side handles, it can be easily moved between different rooms such as the living room and office without damaging the floor. The package includes an adjustable exhaust hose, duct connectors, and a window sealing plate, making installation simple and requiring no drilling, so you can use it immediately.
Energy-Efficient and Safe: The mobile air conditioners with window kit utilizes DC inverter technology and a high-efficiency compressor, which not only effectively reduces power consumption but also saves energy. It is a sustainable choice for eco-conscious users who prioritize high performance and energy efficiency. Additionally, the built-in air filter removes dust, lint, and pet hair from indoor air, providing convenience for your home. The filter is easy to remove and clean.

Air Conditioning Unit Portable Air Conditioner 9000 BTU 4-in-1 Dehumidifier, Cooling Fan with 2 Speeds, Digital Display & Remote Control, Window Kit, 24 Hour Timer for Room Up to 269sq.ft

Free Shipping

Why We Love It

Powerful cooling efficiency.
Multifunctional climate control.
Eco-friendly operation.

Main Highlights

☃️【9000BTU Cooling Up to 269ft】Tired of sweltering summer days? Why not dive into refreshing cool air wherever you go with our compact cooling marvel. Our air conditioner is crafted with a cutting-edge air compressor, making itself an exquisite and compact cooling tool. Stay cool and cozy with our 9000 BTU air conditioner, a preferred companion cooling the rooms up to 269ft instantly. Start your unforgettable cooling journey in bedroom, living room, office or garage from now on.
4️⃣【4-in-1 Multiple Functions】KGOGO air conditioner is designed specially to improve indoor air and offer year-round comfort. Beat the heat with our versatile air conditioner boasting four modes tailored for your comfort. From chilling in air conditioner mode to enjoying gentle breezes or strong cool winds in fan mode, and maintaining optimal humidity at 40%-60% RH with the dehumidifier mode ( This mode only works when the temperature is above 15℃ or the humidity is below 85% . ), and enjoying a deep ultra-quiet childlike sleep with light off and lower noise under our sleep mode, our air conditioner has you covered.
🌛【Guard Your Tranquil Slumber】Enjoy whisper-quiet serenity with our ultra-quiet air conditioner. Our air conditioner is equipped with a high-quality air compressor and multi-layer cottons, serving as indispensable noise-reducing parts. Drift off into a tranquil slumber under sleep mode with light off and lower noise. Immerse yourself in a childlike sleep under our sleep mode's gentle hum below 60 DB, ensuring a ultra-quiet undisturbed rest every time.
🆒【Smooth Move & Effortless Assembly】This air conditioner is designed with two built-in handles and four 360° casters for room-to-room mobility effortlessly in bedroom, office or in the cabin around your home. We offer window kits that are compatible with most sliding windows, catering you an effortless installment without drilling. And our unique plug design behind simplifies storage and transportation of the air conditioner.
❄️【User-Friendly Design】Take control of your comfort with our 24h timer and versatile control options. Set your ideal temperature and mode effortlessly with our intuitive control panel or remote control. Choose startup and shutoff time to submerge yourself in cool air once getting into the room, greatly saving the energy. It is recommended to activate the child lock to keep little ones and pets safe from harm when the air conditioner is in operation. And with a washable air filter that can be washable and reused, maintenance for our air conditioner is a breeze. We recommend cleaning the air filter twice a month to ensure peak performance and cooling efficiency.
🛂【All-round Worry-free Service】We provide customer support to keep you away from after-sales worries. If you are not satisfied with KGOGO air conditioner or have any other questions, please feel free to contact us. Our after-sales service experts will reply to your information within 24 hours to solve your problems. You can purchase and experience with confidence.

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

9000 BTU Portable Air Conditioners, 4 in 1 Air Conditioning Unit Portable, Dehumidifier & Fan Modes, Remote Control, 24H Timer, Sleep Mode, Window Exhaust Kit Includes, Mobile Unit for Home and Office

20% Off

Why We Love It

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

Main Highlights

9000BTU Powerful Cooling: Equipped with an energy-efficient and powerful compressor, LEENON portable air conditioners provides 9000BTU cooling power, quickly cooling spaces up to 370 sq.ft,perfect for bedrooms, living rooms, kitchens and other small-to-medium residential spaces, our air conditioner ensure that your room stays at a comfortable temperature of between 17 ~ 30 °C even on the hottest days.
4-in-1 Cooling/Dehumidifier/Fan /Sleep Mode: LEENON portable air conditioner unit featurs cooling, fan, and dehumidifier modes in one all. As a dehumidifier,it emoves excess moisture from the air in high humidity areas; 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 and airconditioner gradually increases the temperature to conserve energy and keep you comfortable at night.
[Easy Installation with Included Windows Kit:] Window panel kit and large exhaust hose are included, hassle-free to install without extra screws and tools; Air conditioning unit fits 83~ 120cm sliding windows and single/double hung windows. In dehumidifier mode, please connect the drain hose on upper back drain outlet to continuously drain the collected water; and drain hose installed on drain outlet at the bottom in cooling mode.
Simple Operation and 24H Timmer: LEENON mobile air conditioners offers a multifunctional control panel or remote control for effortless operation. Easily adjust cooling modes, temperatures (17 to 30 degrees Celsius), fan speeds etc.(Humidity is kept at a comfortable level by default Cannot be adjusted).Our room air conditioners 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.
Portability and Easy to Clean: Measuring 34x37x68 cm, LEENON 9000 BTU air conditioner 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. In addition, this air conditioner A-rated for energy efficiency and uses eco-friendly R290 refrigerant for a greener cooling solution.Please note that do 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, Portable Air Conditioner with 4-in-1 Cooling & Fan & Dehumidifier & Sleep Mode Function, Air Conditioners with Digital Display & Remote Control, 24H Timer for Room up to 215 ft

27% OffFree Shipping

Why We Love It

Powerful cooling in minutes.
Real-time temperature adjustment.
Customizable cooling experiences.

Main Highlights

Powerful 7000 Btu Cooling: This air conditioning unit utilizes an advanced air compressor, delivering powerful cooling with 7000 BTU capacity, suitable for rooms up to 215 square feet. Whether it's your home, bedroom, basement, office, living room, or kitchen, it ensures powerful and efficient cooling. In the scorching summer, it can quickly cool down the temperature to 16°C within 10 minutes, keeping you cool and comfortable. It is an essential tool to beat the heat
Real-Time Display And Remote Control: Equipped with a multifunctional control panel featuring an LED digital display and comprehensive remote control, this air conditioner portable offers real-time temperature monitoring and remote operation, enhancing the convenience of your lifestyle. With the remote control, you can effortlessly set timers, adjust temperature settings, and switch between modes for an unparalleled cooling experience
4-in-1 Multifunctional: Our 4-in-1 multifunctional portable ac air conditioner includes air cooling, fan, dehumidification, and sleep mode, meeting the varying needs of each season. In hot weather, the cooling mode provides refreshing relief; the fan mode offers gentle or powerful airflow; the dehumidification mode effectively removes moisture from the air, while the sleep mode ensures you have a quiet and undisturbed night
Portable And Hassle-Free Installation: With its space-saving design and durable omnidirectional casters, along with invisible side handles, this air conditioning enables effortless mobility from one room to another. Our air conditioner comes with an easy-to-install window kit compatible with most sliding windows and requires no drilling for even more convenient installation. The plug storage area on the back is designed to make storage or moving more convenient
Humanized Design: 24-hour on/off timer offers customizable cooling schedules for both day and night, helping you save energy. The thoughtful sleep mode dims the LED lights and reduces noise, providing a quiet and comfortable sleeping environment. For families with infants or pets, the child lock function ensures worry-free use

8.7

Excellent

Save 27%

We scanned 1704 products

We reviewed these offers relevant to the Quiet Portable Air Conditioners 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 Bosch Thermotechnik, Dreo, De'Longhi, EUHOMY, HUMILABS, JYMIPA, KGOGO, Midea, LEENON, 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 Portable Air Conditioners in the market, we considered we took a deep dive into 8521 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 Bosch Cool 5000 with Inverter Technology Portable AC - 3-in-1: Air Conditioner, Dehumidifier, Fan - 3.4 kW for Rooms of up to 46 m² - With Auto Mode, Silent Mode & Sleep Mode. We love many things about this product by Bosch Thermotechnik. What sets it apart from the competition is Energy-efficient and powerful cooling, Whisper-quiet operation at 44 dB, Easy control with pre-programmed modes.
The best value product for most shoppers and where user satisfaction is continuously the highest is Dreo Smart 3-in-1 Portable Air Conditioner, 12000 BTU Drainage-Free Cooling AC Unit, 46dB Silent Mobile Air Conditioners for Bedroom & Room, APP/Voice/Remote Control, 24h Timer with Fan & Dehumidifier by Dreo based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Quiet Portable Air Conditioners and the best cost-to-value ratio is Air Conditioning Unit, Portable Air Conditioner with 4-in-1 Cooling & Fan & Dehumidifier & Sleep Mode Function, Air Conditioners with Digital Display & Remote Control, 24H Timer for Room up to 215 ftat JYMIPA with a 27% discount.
Our list of the best Quiet Portable Air Conditioners 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 Portable Air Conditioners in The UK

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We concluded that: