10 Best Commercial Air Conditioning Unit in The UK

Last updated on 20/06/2025

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18000 BTU Air Conditioner Wall Split Wi Fi 5 In 1 Air Cooler Heater Dehumidifier Air Purifier Fan With Heat Pump Remote Control 5.1 kW A++ Rating 2 Pipes and Installation Kit Included

Why We Love It

All-in-one unit saves space.
Wi-Fi control offers convenience.
Easy installation, minimal maintenance.

Main Highlights

* 5 IN 1 FEATURES: Cooling, Heating, Fan, Air Purifier and Dehumidifier - Multiple options and modes with this complete all in one Unit. Save space and cost at the same time by not buying separate units to perform all these functions.
* 18000 SUPER STRONG 850 M3/H AIR FLOW: More powerful and stronger than average 18000 BTU Units. Get more for your money with maximum air flow. It's designed with double the BTU rating for efficient cooling or heating of large areas, saving up to 60% on energy bills compared to non-inverter models. Plus, it's self-cleaning for long-term performance with minimal maintenance.
* WI FI AND REMOTE CONTROL: Imagine controlling the temperature of your home or office from your smartphone, so you're greeted with a cozy room every time you arrive. Thanks to this latest air conditioner with built-in Wi-Fi, this is now a reality. Connect it to your home Wi-Fi and use your smartphone to monitor and manage temperature, fan speed, and more from anywhere. For example, you can set it to turn on later if you're working overtime, to help avoid unnecessary energy waste. You also have the added option to control it wirelessly through a remote control.
* INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipes (2 pipes), 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included (electrical wire not included). Cost effective and convenient saving you time and money from spending extra purchasing additional parts.
* TURBO FUNCTION: When you turn on this mode, air conditioning provides the most rapid cooling or heating, to create comfortable conditions in the shortest possible time.
* EASY INSTALLATION: Our units are designed to reduce the installation time. The indoor and outdoor units are pre-gassed and sealed enabling the qualified fitter to easily install them. The indoor unit should be fitted to the wall. The condenser should be fixed on the ground or wall mounted on the outside of the wall. These units contain a gas which is governed by F-Gas regulations.
* DIGITAL POWER DISPLAY: Closely monitor the performance and temperature with the LED display on the indoor unit so you are fully aware at all times ensuring it is at the correct level and adjusting it wirelessly when necessary.

Dreo Smart 3-in-1 Portable Air Conditioner, 12000 BTU Drainage-Free Cooling AC Unit, 46dB Silent Mobile Air Conditioner for Bedroom, APP/Voice/Remote Control, 24h Timer with Fan & Dehumidifier, AC516S

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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

12000 BTU Air Conditioner Wall Split Wi Fi 5 In 1 Air Cooler Heater Dehumidifier Air Purifier Fan With Heat Pump Remote Control 3.4 kW A++ Rating 2 Pipes and Installation Kit Included

Why We Love It

Convenient remote control access.
Exceptional energy savings.
Multifunctional 5-in-1 unit.

Main Highlights

* 12000 BTU SUPER STRONG 600 M3/H AIR FLOW: More powerful and stronger than average 12000 BTU Units. Get more for your money with maximum air flow. It's designed with double the BTU rating for efficient cooling or heating of large areas, saving up to 60% on energy bills compared to non-inverter models. Plus, it's self-cleaning for long-term performance with minimal maintenance.
* 5 IN 1 FEATURES: Cooling, Heating, Fan, Air Purifier and Dehumidifier - Multiple options and modes with this complete all in one Unit. Save space and cost at the same time by not buying separate units to perform all these functions.
* EASY INSTALLATION: Our units are designed to reduce the installation time. The indoor and outdoor units are pre-gassed and sealed enabling the qualified fitter to easily install them. The indoor unit should be fitted to the wall. The condenser should be fixed on the ground or wall mounted on the outside of the wall. These units contain a gas which is governed by F-Gas regulations.
* TURBO FUNCTION: When you turn on this mode, air conditioning provides the most rapid cooling or heating, to create comfortable conditions in the shortest possible time.
* INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipes (2 pipes), 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included (electrical wire not included). Cost effective and convenient saving you time and money from spending extra purchasing additional parts.
* WI FI AND REMOTE CONTROL: Imagine controlling the temperature of your home or office from your smartphone, so you're greeted with a cozy room every time you arrive. Thanks to this latest air conditioner with built-in Wi-Fi, this is now a reality. Connect it to your home Wi-Fi and use your smartphone to monitor and manage temperature, fan speed, and more from anywhere. For example, you can set it to turn on later if you're working overtime, to help avoid unnecessary energy waste. You also have the added option to control it wirelessly through a remote control.
* DIGITAL POWER DISPLAY: Closely monitor the performance and temperature with the LED display on the indoor unit so you are fully aware at all times ensuring it is at the correct level and adjusting it wirelessly when necessary.

Pro Breeze 4-in-1 Powerful Portable Air Conditioner 12,000 BTU - Smart Home WiFi Compatible - App & Voice Control - Heater & Dehumidifier mode, 24hr Timer & Window Venting Kit - Class A Energy Rating

Why We Love It

Powerful cooling capacity.
Smart home integration.
Year-round climate control.

Main Highlights

OUR MOST POWERFUL AIR CONDITIONER: This powerful Pro Breeze portable AC Unit features a market leading 12,000 BTU of cooling capacity providing effective cooling down to 16°C in large and extra-large spaces. This mobile aircon is perfect for your home, office, shop, or gym.
SMART HOME TECHNOLOGY WITH WIFI: In addition to the remote control, you can connect your smartphone to the AC unit and control the temperature, timer, and various functions through the free Pro Breeze app or voice command. Compatible with Amazon Alexa app and Google Home for iPhone and Android.
AIR COOLING, HEATING AND DEHUMIDIFYING: Features four versatile operating modes, including heating, dehumidifying, fan-only and air cooling mode, making this aircon unit it a valuable appliance all year round.
ENERGY EFFICIENT: Class A energy efficiency rating, this air con unit utilises R290 refrigerant, which is not only cost-effective but also 690 times more eco-friendly than traditional air conditioning gasses.
WINDOW KITS INCLUDED: This portable Air Conditioner comes with an easy-to-install window kit to fit slide and hinged windows. It's four wheels and space-saving design makes it mobile and unobtrusive, ideal for your living room and bedroom.
PRO BREEZE – THE AIR COOLING EXPERTS: Explore the Pro Breeze cooling range which includes powerful 7000, 9000 and 12000BTU Air Conditioners, 5L and 10L Evaporative Coolers along with a vast range of innovative Tower and Pedestal Fans. Fancy a refreshingly cold drink? Search for the Pro Breeze Ice Maker!

Honeywell WiFi Air conditioning unit 12000 BTU, Portable Air Conditioner & 95L/Day Dehumidifier, 3-in-1 Smart Air Con Unit With Voice Control, Fan, For Rooms Upto 40m² (12000 BTU)

Why We Love It

Superior cooling and dehumidifying functions.
Smart home technology integration.
Energy efficient and eco-friendly.

Main Highlights

⦗ COOLING SOLUTIONS ⦘ Honeywell are renowned for their superior quality air conditioning units and this 12000 BTU 3-in-1 model is no different, offering cooling solutions all year round. The AC provides powerful cooling during the summer, whilst the dehumidifier function can be used during humid seasons. The fan can be used at your leisure to circulate air for everyday comfort.
⦗ EASY TO USE ⦘ Controlling this unit could not be easier as it has a full function LCD display as well as a remote control. Transporting this compact air conditioner is simple as it sits on four smooth gliding casters that make portability a breeze.
⦗ EXTRA SAFETY FEATURES ⦘ The unit boasts a number of extra safety features such as thermal protection and heat-safe internal casing so that you can operate with peace of mind. You can also set a 24-hour timer schedule so that you don’t have to worry about remembering to switch the unit off. In addition, there is an automatic evaporation function, meaning you do not have to continuously empty/drain bucket (except in high humidity conditions).
⦗ WASHABLE DUAL FILTRATION SYSTEM ⦘ The washable dual filtration system helps filter unwanted dust as well as protecting and extending the life of the AC. A single hose, 1mdraining tube, window kit, window brackets and window foam seal are also provided at no extra charge.
⦗ SMART HOME TECHNOLOGY WITH WIFI ⦘ In addition to the remote control, you can connect your smartphone to the AC unit and control the temperature, timer, and various functions through the app or voice command. Compatible with Amazon Alexa app and Google Home for iPhone and Android.
⦗ DIMENSIONS ⦘ 440 (W) x 715 (H) x 360mm (D). Weight (Approx), 28Kg. Honeywell aircon is ideal for rooms up to 26m² with a maximum of 65 Db noise level. To ensure optimal efficiency of the product, keep doors and windows closed when it is used as an air conditioner or dehumidifier. If the product is being used with the fan function only, an open window could improve air circulation.

BLACK+DECKER BXAC40008GB Portable 3-in-1 Air Conditioner with 24-Hour Timer, Remote Control, 12,000 BTU, White

43% OffFree Shipping

Why We Love It

Versatile 3-in-1 functionality.
Eco-friendly with powerful output.
Quiet sleep mode available.

Main Highlights

3-IN-1 FUNCTIONALITY: 3 operating modes provide high-performance air conditioning, dehumidifying and cooling for large rooms up to 24m2 for a comfortable, healthy home all year round
POWERFUL 12,000 BTU OUTPUT: Class A Energy Efficiency for low environmental impact, whilst providing optimum performance at low running costs
3.4KW POWERFUL COOLING: High, medium and low wind speeds deliver a strong, cool breeze to ensure comfort in hot rooms. Its low cool setting produces just 53dB to reduce noise disruption, ideal on warmer summer nights for a comfortable sleep
POWERFUL DEHUMIDIFYING: High performance technology removes excess moisture to prevent damp, mould and mildew from forming in rooms, closets and wardrobes. The large 1.5L water tray is designed to extract up to 40 litres of unwanted moisture per day, with a self-evaporating system to empty collected water
2 YEAR GUARANTEE: Assured BLACK+DECKER quality with a 2 year guarantee for added peace of mind

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

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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.

Contender Quattro Commercial 9000btu Portable Air Conditioning Unit. Energy Efficient Air Conditioning For Office, Catering & Commercial Premises. Also Acts As A Dehumidifer & Air Purifier.

Why We Love It

Ideal for cooling large rooms.
Features built-in air purifier.
Includes easy-to-use remote control.

Main Highlights

AMAZING COOLING POWER - Experience the refreshing Summer breeze anytime with the Contender 9000btu portable air conditioning unit. Suitable For Cooling Rooms Up To 193sq ft / 18sqm
VERSATILE USE: Not only will this air con unit cool a room, it also has a 2-in-1 cooling action, the Contender portable air conditioner presents an exclusive 'Dry' dehumidifier and air purifier setting - ideal for those who are prone to allergies such as hay fever.
EFFORTLESS CLEANING & DRAINING: The unit's built-in water tank with drain outlet and detachable water hose ensures effortless cleaning and automatic draining. You can pre-cool your space round the clock using the 24-hour timer and sleep modes - saving time and maximizing your productivity.
TRANSPORTABLE: With four fitted castors, you can move the Contender air conditioner effortlessly to where it's needed the most, without lifting it.
ONE YEAR WARRANY - As with all of our Quattro products, the 9000btu portable air conditioning unit comes with 1 year warranty as standard for your added piece of mind.

Air Conditioning Unit,9000 BTU Portable Air Conditioner,4-In-1 Powerful Mobile Conditioners,Dehumidifier,Ventilation,Cooling Fan with Remote Control,24H Timer & Window Kit for Rooms Up to 269sq.ft

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Why We Love It

Powerful cooling for any space.
Convenient remote control functionality.
Compact design for easy mobility.

Main Highlights

❄️🏠【Portable Air Conditioning, Powerful Air Cooling】Benefiting from the advanced air compressor, the portable air conditioners have a cooling capacity of up to 9,000 BTU, lowering room temperature for rooms up to 269sq.ft. Adjust the room temperate to create coolness and comfort in your bedroom, living room, office, basement, or workplace.
❄️🏠【4-In-1 Multifunctional Air Conditioner Unit】To enhance your indoor air environment, we give two more roles to this air conditioner unit portable to play as a fan/dehumidifier. Drop the temperature to 16℃ when it gets hot, improve the indoor air circulation with two fan speeds, or dehumidify the indoor air to keep the humidity between 40% and 60%.
❄️🏠【Real-Time Display, Remote Control】Check the temperatures at a glance with a LED digital display showing the current temperature. A multi-function control panel and full-function remote control make your life more convenient; thus, you can easily set a timer, adjust the temperature value, and switch modes, whether getting close or far away.
❄️🏠【Compact Size, Hassle-Free Installation】Size: 38x38x87cm, Weight: 25 kg. Four casters at the bottom enable easy mobility, while the two side handles give you a grip on the device—a plug rest area on the back for easy storage and movement. Compatible with sliding window types. Adjust the window kit to fit different windows. Require no drilling.
❄️🏠【User-Friendly Considerate Design】A 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. Have a nap during the daytime or sleep soundly at night under sleep mode when the LED light is dimmed, and noise is reduced.
❄️🏠【ACCESSORIES】- We have prepared :1 x Exhaust hose, 1 x Hose connector, 1 x Window kit adapter, 1 x Remote control, 1 x Window kit, 1 x Screw, 1 x Drain hose, 1 x User manual for you. these are the most equipment that you may need in air conditioner package.
❄️🏠【EXCELLENT AFTER-SALES SERVICE】- We provide 24×7 customer support to keep you away from after-sales worries. We will do our best to solve your problems, and you can purchase and experience with confidence.

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.

8.7

Excellent

We scanned 1765 products

We reviewed these offers relevant to the Commercial Air Conditioning Unit 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 Generic, Dreo, Pro Breeze, Honeywell, BLACK+DECKER, LEENON, KGOGO, NELGOLLE, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Commercial Air Conditioning Unit in the market, we considered we took a deep dive into 8826 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 18000 BTU Air Conditioner Wall Split Wi Fi 5 In 1 Air Cooler Heater Dehumidifier Air Purifier Fan With Heat Pump Remote Control 5.1 kW A++ Rating 2 Pipes and Installation Kit Included. We love many things about this product by Generic. What sets it apart from the competition is All-in-one unit saves space, Wi-Fi control offers convenience, Easy installation, minimal maintenance.
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 Conditioner for Bedroom, APP/Voice/Remote Control, 24h Timer with Fan & Dehumidifier, AC516S by Dreo based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Commercial Air Conditioning Unit and the best cost-to-value ratio is BLACK+DECKER BXAC40008GB Portable 3-in-1 Air Conditioner with 24-Hour Timer, Remote Control, 12,000 BTU, Whiteat BLACK+DECKER with a 43% discount.
Our list of the best Commercial Air Conditioning Unit 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 Commercial Air Conditioning Unit in The UK

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We scanned 1765 products

We concluded that: