Best Air Conditioning Unit Uk 18000 Btu of 2025

Last updated on 08/10/2025

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De'Longhi Pinguino PACEL112CST Smart Portable 11,000 BTU Air Conditioner, WiFi App & Alexa Voice Control, 3 in 1 Air Conditioning Unit, Rooms up to 110m³, Window Kit, A+ Energy Efficiency

De'Longhi Pinguino PACEL112CST Smart Portable 11,000 BTU Air Conditioner, WiFi App & Alexa Voice Control, 3 in 1 Air Conditioning Unit, Rooms up to 110m³, Window Kit, A+ Energy Efficiency

De'Longhi

Why we love it

Versatile climate control.
Intuitive LED panel.
Efficient moisture removal.

Main Highlights

POWERFUL AND QUIET COOLING - Pinguino Care4Me, the intelligent 11,000 BTU air conditioner that makes ideal comfort personal, for any space up to 110m³. Using Silent Technology, this Pinguino unit 50% noise reduction from max to min speed
SMART CONTROL - Easily control Pinguino from home or outside through the De'Longhi Comfort app or voice assistance, Adapt comfort to your personal liking through MyEcoRealFeel via the app, Geofencing feature to turn on when you're close to home
VOICE ASSISTANCE ENABLED - This portable air conditioner can be paired with voice-enabled speakers like Amazon Alexa and Google Assistant, so you can control it from wherever you're sitting, as well as through the mobile app
COOL SURROUND TECHNOLOGY - Experience perfect cooling with the Smart Sensing feature, which monitors temperature and humidity around the smart control unit, Keep the remote unit near you and it will keep you as cool as you like
3 IN 1 FUNCTIONALITY - Enjoy ideal comfort thanks to this multifunctional 3-in-1 unit with 3 speed settings, Separate dehumidifying function (41l/ 24 hours) for especially wet seasons or humid rooms and separate fan function to simply circulate air
ENERGY EFFICIENT - Class A+ Energy Efficiency rating. Personal comfort plus 30% energy savings thanks to MyEcoRealFeel (Internal test, initial condition 30° C and 40%RH)

9.7

Exceptional

9.7

Exceptional

De'Longhi

De'Longhi Pinguino PACEL112CST Smart Portable 11,000 BTU Air Conditioner, WiFi App & Alexa Voice Control, 3 in 1 Air Conditioning Unit, Rooms up to 110m³, Window Kit, A+ Energy Efficiency

Why we love it

Versatile climate control.
Intuitive LED panel.
Efficient moisture removal.

Main Highlights

POWERFUL AND QUIET COOLING - Pinguino Care4Me, the intelligent 11,000 BTU air conditioner that makes ideal comfort personal, for any space up to 110m³. Using Silent Technology, this Pinguino unit 50% noise reduction from max to min speed
SMART CONTROL - Easily control Pinguino from home or outside through the De'Longhi Comfort app or voice assistance, Adapt comfort to your personal liking through MyEcoRealFeel via the app, Geofencing feature to turn on when you're close to home
VOICE ASSISTANCE ENABLED - This portable air conditioner can be paired with voice-enabled speakers like Amazon Alexa and Google Assistant, so you can control it from wherever you're sitting, as well as through the mobile app
COOL SURROUND TECHNOLOGY - Experience perfect cooling with the Smart Sensing feature, which monitors temperature and humidity around the smart control unit, Keep the remote unit near you and it will keep you as cool as you like
3 IN 1 FUNCTIONALITY - Enjoy ideal comfort thanks to this multifunctional 3-in-1 unit with 3 speed settings, Separate dehumidifying function (41l/ 24 hours) for especially wet seasons or humid rooms and separate fan function to simply circulate air
ENERGY EFFICIENT - Class A+ Energy Efficiency rating. Personal comfort plus 30% energy savings thanks to MyEcoRealFeel (Internal test, initial condition 30° C and 40%RH)

Value for Money

De'Longhi Pinguino PACEL98 Portable 10,700 BTU Air Conditioner with Eco Real Feel Technology, 3 in 1 Air Conditioning Unit, Rooms up to 100m³, Window Kit, A Energy Efficiency

De'Longhi Pinguino PACEL98 Portable 10,700 BTU Air Conditioner with Eco Real Feel Technology, 3 in 1 Air Conditioning Unit, Rooms up to 100m³, Window Kit, A Energy Efficiency

De'Longhi

11% Off

Why we love it

Optimizes air quality efficiently.
Noise level control feature.
User-friendly touch controls.

Main Highlights

POWERFUL AND EFFECTIVE - Cool your home efficiently with the powerful De'Longhi 10,700 BTU portable air conditioner, Perfect for keeping your home cool during hotter days, for rooms up to 100m³
QUIET OPERATION - The optimised cooling airflow keeps the appliance operating quietly, ideal to use in any situation (47-64dB)
ENERGY EFFICIENT - De'Longhi technology ensures the best comfort level thanks to the automatic adjustment of temperature reduction and humidity control, saving up to 30% on energy consumption, Also boasting Class A Energy Efficiency rating.
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 3 speed settings, Separate dehumidifying function (36l/ 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 1.2m hose length, for easy installation
Internal test, initial condition 30° C and 40% RH

De'Longhi Pinguino PACEL98 Portable 10,700 BTU Air Conditioner with Eco Real Feel Technology, 3 in 1 Air Conditioning Unit, Rooms up to 100m³, Window Kit, A Energy Efficiency

11% Off

Why we love it

Optimizes air quality efficiently.
Noise level control feature.
User-friendly touch controls.

Main Highlights

POWERFUL AND EFFECTIVE - Cool your home efficiently with the powerful De'Longhi 10,700 BTU portable air conditioner, Perfect for keeping your home cool during hotter days, for rooms up to 100m³
QUIET OPERATION - The optimised cooling airflow keeps the appliance operating quietly, ideal to use in any situation (47-64dB)
ENERGY EFFICIENT - De'Longhi technology ensures the best comfort level thanks to the automatic adjustment of temperature reduction and humidity control, saving up to 30% on energy consumption, Also boasting Class A Energy Efficiency rating.
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 3 speed settings, Separate dehumidifying function (36l/ 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 1.2m hose length, for easy installation
Internal test, initial condition 30° C and 40% RH

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

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

Generic

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.

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.

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

Generic

Why we love it

All-in-one functionality.
Strong, efficient air flow.
Convenient Wi-Fi control.

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.

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 functionality.
Strong, efficient air flow.
Convenient Wi-Fi control.

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.

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 New

Generic

Why we love it

Cooling, heating, and purification.
Super strong air flow.
Wi-Fi and remote control.

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.

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 New

Why we love it

Cooling, heating, and purification.
Super strong air flow.
Wi-Fi and remote control.

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.

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

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

Generic

3% Off

Why we love it

Complete temperature control via Wi-Fi.
Multifunctional unit saves space.
Pre-gassed for easy installation.

Main Highlights

INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipe, 1 x 3 meters electrical wires, 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included.
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.
5 in 1 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 BTU: With Super strong 850 M3/h Air Flow this is 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.
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.

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

3% Off

Why we love it

Complete temperature control via Wi-Fi.
Multifunctional unit saves space.
Pre-gassed for easy installation.

Main Highlights

INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipe, 1 x 3 meters electrical wires, 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included.
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.
5 in 1 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 BTU: With Super strong 850 M3/h Air Flow this is 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.
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.

Sealey 4-in-1 Portable Air Conditioning Unit 16,000Btu/hr with Window Sealing Kit - SAC16000

Sealey 4-in-1 Portable Air Conditioning Unit 16,000Btu/hr with Window Sealing Kit - SAC16000

Sealey

Why we love it

Compact and portable design.
Thermostatically controlled timer.
Eco-friendly refrigerant included.

Main Highlights

4-IN-1 HIGH CAPACITY - Compact, portable air conditioner, air cooling with ventilation, dehumidifying and heating functions.
THERMOSTATICALLY CONTROLLED - Built-in 24hr timer and sleep mode.
SOFT TOUCH CONTROL PANEL - LED digital display and remote control.
WIND SPEED – Three powerful wind speeds
SELF-EVAPORATING SYSTEM - Allows better efficiency, low maintenance and powerful cooling.
WATER-FULL INDICATOR - Auto-shut-off.
EXTENDABLE EXHAUST DUCTING - With window seal kits for extraction.
DEHUMIDIFYING FUNCTION - Capable of removing up to 50.4L/day and includes continuous drain hose.
ECO-FRIENDLY R290 REFRIGERANT.

Sealey 4-in-1 Portable Air Conditioning Unit 16,000Btu/hr with Window Sealing Kit - SAC16000

Why we love it

Compact and portable design.
Thermostatically controlled timer.
Eco-friendly refrigerant included.

Main Highlights

4-IN-1 HIGH CAPACITY - Compact, portable air conditioner, air cooling with ventilation, dehumidifying and heating functions.
THERMOSTATICALLY CONTROLLED - Built-in 24hr timer and sleep mode.
SOFT TOUCH CONTROL PANEL - LED digital display and remote control.
WIND SPEED – Three powerful wind speeds
SELF-EVAPORATING SYSTEM - Allows better efficiency, low maintenance and powerful cooling.
WATER-FULL INDICATOR - Auto-shut-off.
EXTENDABLE EXHAUST DUCTING - With window seal kits for extraction.
DEHUMIDIFYING FUNCTION - Capable of removing up to 50.4L/day and includes continuous drain hose.
ECO-FRIENDLY R290 REFRIGERANT.

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

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

Dreo

6% Off

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 16 ft. Helping you keep the comfortable temp in the sweltering summer
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
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
Suitable window types: Sliding door windows are suitable; push-out windows are not suitable

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

6% Off

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 16 ft. Helping you keep the comfortable temp in the sweltering summer
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
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
Suitable window types: Sliding door windows are suitable; push-out windows are not suitable

Olsen & Smith 12000 BTU 3-in-1 Portable Air Conditioning Unit, AC Air Con Conditioner Cooler On Wheels with Cooling, Fan & Dehumidifier Functions, 24H Timer with Window Kit & Remote Control, White

Olsen & Smith 12000 BTU 3-in-1 Portable Air Conditioning Unit, AC Air Con Conditioner Cooler On Wheels with Cooling, Fan & Dehumidifier Functions, 24H Timer with Window Kit & Remote Control, White

Olsen & Smith

12% OffFree Shipping

Why we love it

Powerful cooling for large rooms.
Versatile year-round operation modes.
Quiet performance for restful sleep.

Main Highlights

POWERFUL 12000BTU COOLING PERFORMANCE – Perfect for cooling and ventilating larger rooms up to 550 sq ft / 50m2, such as living rooms, hallways and small offices. Achieve your desired room temperature with the built-in thermostat and a range of 16-31℃. With Class A energy efficiency, it delivers powerful performance while keeping energy consumption low, helping you stay comfortable without high electricity costs.
VERSATILE 3-IN-1 OPERATION – Features Cooling, Fan and Dehumidifier modes for year-round use. Dehumidifier mode removes excess moisture from the air (up to 1.2L/H via the included drainage hose) to prevent dampness, while three fan speeds and vertical swing mode (up/down 58°) ensure even air circulation. Auto mode regulates your unit’s operation without needing to constantly adjust the settings, while Sleep mode gradually reduces intensity and reduces noise for a restful night.
QUIET OPERATION & CUSTOMISABLE COMFORT – Operates at just 54 decibels at its highest setting, providing quiet cooling without disruption. The 24-hour timer lets you programme start and stop times to match your daily schedule and achieve improved energy efficiency day or night.
COMPACT, PORTABLE & SPACE-SAVING DESIGN – Sleek and modern design fits neatly into tight spaces without compromising power. Built-in castor wheels and side handles make it easy to move from room to room, giving you flexible, portable cooling wherever it’s needed most in your home. Features a removable washable air filter for easy cleaning and maintenance.
WINDOW KIT & REMOTE CONTROL INCLUDED – Includes two adjustable window venting kits - one for sliding windows and one for hinged windows - ensuring a secure, tool-free setup that works with most window types. Comes with an easy-to-use remote control for full access to all functions from across the room.
SPECIFICATIONS – Dimensions (WxDxH): 440 x 335 x 710 mm. Weight: 29.5kg. Power Supply: AC 220V-240V 50HZ. Power Cord Length: 1.8m. Max power consumption: 1300W. Energy Efficiency Rating: Class A. Refrigerant: R290. Air circulation / Fan airflow volume: 400m³/H.

Olsen & Smith 12000 BTU 3-in-1 Portable Air Conditioning Unit, AC Air Con Conditioner Cooler On Wheels with Cooling, Fan & Dehumidifier Functions, 24H Timer with Window Kit & Remote Control, White

12% OffFree Shipping

Why we love it

Powerful cooling for large rooms.
Versatile year-round operation modes.
Quiet performance for restful sleep.

Main Highlights

POWERFUL 12000BTU COOLING PERFORMANCE – Perfect for cooling and ventilating larger rooms up to 550 sq ft / 50m2, such as living rooms, hallways and small offices. Achieve your desired room temperature with the built-in thermostat and a range of 16-31℃. With Class A energy efficiency, it delivers powerful performance while keeping energy consumption low, helping you stay comfortable without high electricity costs.
VERSATILE 3-IN-1 OPERATION – Features Cooling, Fan and Dehumidifier modes for year-round use. Dehumidifier mode removes excess moisture from the air (up to 1.2L/H via the included drainage hose) to prevent dampness, while three fan speeds and vertical swing mode (up/down 58°) ensure even air circulation. Auto mode regulates your unit’s operation without needing to constantly adjust the settings, while Sleep mode gradually reduces intensity and reduces noise for a restful night.
QUIET OPERATION & CUSTOMISABLE COMFORT – Operates at just 54 decibels at its highest setting, providing quiet cooling without disruption. The 24-hour timer lets you programme start and stop times to match your daily schedule and achieve improved energy efficiency day or night.
COMPACT, PORTABLE & SPACE-SAVING DESIGN – Sleek and modern design fits neatly into tight spaces without compromising power. Built-in castor wheels and side handles make it easy to move from room to room, giving you flexible, portable cooling wherever it’s needed most in your home. Features a removable washable air filter for easy cleaning and maintenance.
WINDOW KIT & REMOTE CONTROL INCLUDED – Includes two adjustable window venting kits - one for sliding windows and one for hinged windows - ensuring a secure, tool-free setup that works with most window types. Comes with an easy-to-use remote control for full access to all functions from across the room.
SPECIFICATIONS – Dimensions (WxDxH): 440 x 335 x 710 mm. Weight: 29.5kg. Power Supply: AC 220V-240V 50HZ. Power Cord Length: 1.8m. Max power consumption: 1300W. Energy Efficiency Rating: Class A. Refrigerant: R290. Air circulation / Fan airflow volume: 400m³/H.

DR.PREPARE 9000 BTU Air Conditioning Unit, 4-in-1 Portable Air Conditioner Smart WiFi Enabled, Dehumidifier, Cooling Fan with 2 Speeds, 24H Timer & Sleep Mode, Child Lock, Dual Window Venting Kit

DR.PREPARE 9000 BTU Air Conditioning Unit, 4-in-1 Portable Air Conditioner Smart WiFi Enabled, Dehumidifier, Cooling Fan with 2 Speeds, 24H Timer & Sleep Mode, Child Lock, Dual Window Venting Kit

DR.PREPARE

Free Shipping

Why we love it

App control for remote adjustment.
Intelligent timer for scheduled cooling.
Fits various window types.

Main Highlights

[Smart Wi-Fi App Control] With Wi-Fi app control, Dr.Prepare's portable air conditioner lets you change the temperature and mode settings from anywhere and at any time. Whether you're on your way back home and want to pre-cool the room, or you're in bed and don't want to get up to turn off the air conditioner, you can do it effortlessly using the app.
[Intelligent Timer Settings] With smart scheduling in the smartphone app, you can control your air conditioning unit from anywhere. Set your ON/OFF routines and let the air conditioning unit handle the rest. Alternatively, you can easily configure 1-24 hour timers via the intuitive touch panel or remote control (AAA batteries not included).
[4-in-1 Portable Air Conditioner] In cool mode, it provides powerful cooling for rooms up to 30 sq. m, with a temperature range of 16℃~32℃. Ideal for hot summers and spaces with poor ventilation. Sleep mode, available only in cooling mode, maintains a quiet 45dB noise level for a peaceful night's sleep. Use fan mode for air circulation, and dehumidifier mode for removing up to 24.1L of humidity per day, perfect for damp or rainy days.
[Fits Most Window Types] Don't worry about your window type with Dr.Prepare's air conditioner. It includes two types of installation accessories: the window bracket kit fits horizontal or vertical sliding windows (from 25.6'' to 50''), while the window seal kit works for push outward, pull inward, casement, awning, and skylight windows (up to 157'').
[Easy to Move, Use & Maintain] This portable air conditioner features four easy-roll casters and two side handles for effortless room-to-room movement. The removable, washable, and reusable mesh ensures clean and healthy cooling air, protecting your family from dust and pet dander. Its memory function retains your previous mode and temperature settings, and it auto-restarts when power is restored, except in cases of manual power outages.

DR.PREPARE 9000 BTU Air Conditioning Unit, 4-in-1 Portable Air Conditioner Smart WiFi Enabled, Dehumidifier, Cooling Fan with 2 Speeds, 24H Timer & Sleep Mode, Child Lock, Dual Window Venting Kit

Free Shipping

Why we love it

App control for remote adjustment.
Intelligent timer for scheduled cooling.
Fits various window types.

Main Highlights

[Smart Wi-Fi App Control] With Wi-Fi app control, Dr.Prepare's portable air conditioner lets you change the temperature and mode settings from anywhere and at any time. Whether you're on your way back home and want to pre-cool the room, or you're in bed and don't want to get up to turn off the air conditioner, you can do it effortlessly using the app.
[Intelligent Timer Settings] With smart scheduling in the smartphone app, you can control your air conditioning unit from anywhere. Set your ON/OFF routines and let the air conditioning unit handle the rest. Alternatively, you can easily configure 1-24 hour timers via the intuitive touch panel or remote control (AAA batteries not included).
[4-in-1 Portable Air Conditioner] In cool mode, it provides powerful cooling for rooms up to 30 sq. m, with a temperature range of 16℃~32℃. Ideal for hot summers and spaces with poor ventilation. Sleep mode, available only in cooling mode, maintains a quiet 45dB noise level for a peaceful night's sleep. Use fan mode for air circulation, and dehumidifier mode for removing up to 24.1L of humidity per day, perfect for damp or rainy days.
[Fits Most Window Types] Don't worry about your window type with Dr.Prepare's air conditioner. It includes two types of installation accessories: the window bracket kit fits horizontal or vertical sliding windows (from 25.6'' to 50''), while the window seal kit works for push outward, pull inward, casement, awning, and skylight windows (up to 157'').
[Easy to Move, Use & Maintain] This portable air conditioner features four easy-roll casters and two side handles for effortless room-to-room movement. The removable, washable, and reusable mesh ensures clean and healthy cooling air, protecting your family from dust and pet dander. Its memory function retains your previous mode and temperature settings, and it auto-restarts when power is restored, except in cases of manual power outages.

We scanned 520 products

We reviewed these offers relevant to the Air Conditioning Unit Uk 18000 Btu 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 De'Longhi, Generic, Sealey, Dreo, Olsen & Smith, DR.PREPARE, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Air Conditioning Unit Uk 18000 Btu in the market, we considered we took a deep dive into 2601 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 De'Longhi Pinguino PACEL112CST Smart Portable 11,000 BTU Air Conditioner, WiFi App & Alexa Voice Control, 3 in 1 Air Conditioning Unit, Rooms up to 110m³, Window Kit, A+ Energy Efficiency. We love many things about this product by De'Longhi. What sets it apart from the competition is Versatile climate control, Intuitive LED panel, Efficient moisture removal.
The best value product for most shoppers and where user satisfaction is continuously the highest is De'Longhi Pinguino PACEL98 Portable 10,700 BTU Air Conditioner with Eco Real Feel Technology, 3 in 1 Air Conditioning Unit, Rooms up to 100m³, Window Kit, A Energy Efficiency by De'Longhi based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Air Conditioning Unit Uk 18000 Btu and the best cost-to-value ratio is Olsen & Smith 12000 BTU 3-in-1 Portable Air Conditioning Unit, AC Air Con Conditioner Cooler On Wheels with Cooling, Fan & Dehumidifier Functions, 24H Timer with Window Kit & Remote Control, Whiteat Olsen & Smith with a 12% discount.
Our list of the best Air Conditioning Unit Uk 18000 Btu 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.