We Chose The Best Portable Air Conditioning Unit 12000 Btu in The UK - 10/2025

Best Choice

ELECCI 4-in-1 Portable Air Conditioner - 12000 BTU Cooling/Heating for 60m² Rooms | WiFi-Enabled Dehumidifier, Heater & Fan with Compressor | All-Season Smart Climate Control

ELECCI 4-in-1 Portable Air Conditioner - 12000 BTU Cooling/Heating for 60m² Rooms | WiFi-Enabled Dehumidifier, Heater & Fan with Compressor | All-Season Smart Climate Control

ELECCI

10% OffFree Shipping

Why we love it

Highly efficient cooling and heating.
Four personalized air treatment modes.
Convenient drainage for hassle-free use.

Main Highlights

【Highly efficient in Cooling and Hot Air】 With a highly efficient compressor, this powerful air conditioner coolers is the perfect addition to any room, providing COOL AIR to a 60 square meters space and HOT AIR to a 40 square meters space, giving you a wonderful feeling in both hot and cold weather. Temperature Control Range is between 61℉ (16℃）and 90℉ (32℃), operating a variety of controls to let it be the more comfortable temperature range for the human body in different seasons.
【Powerful Four Air Treatment Mode You Need】This portable air conditioner coolers has 4 personalized function modes for you to choose from - Cooling, Heater, Dehumidify and Air Supply it also has a built-in temperature sensor that automatically adjusts the compressor operation according to the current temperature environment to reduce energy consumption.
【Super Convenient to Drain】No more frequent empting of bucket or pan for condensate. Not only does this cooler have a inner water tank, but also it can be drained through two drain holes for cooling, heating and dehumidification modes. After the drainage pipe is connected to the upper drain hose, it can drain water for cooling and heater mode, and the lower drain hose can discharge condensate for dehumidification function. More convenient to use, peace of mind.
【Humanized design-double LCD display】 This multifunctional air treatment air conditioner cooler is equipped with an easy-to-read LCD data display in the front of cooler that lets you know the operating status of the machine, which also allows you to check the temperature from a distance or from a distance in the dark, in addition, it is also designed with an intelligent control panel in the top, which allows you adjust its mode or temp as you need, with the portable remote control you can adjust the temperature.
【Low Maintainance-Safe to Use】With auto defrost function under dehumidify and cooling mode. And continuous drainage is available when working. It also can automatically detect the machine temperature and determine whether antifreeze is needed, so that the machine still has good performance when the ambient temperature is low. This is very important the compressor also has stop and start protection functions when the machine is running, maximizing the safety of use.
【Advantage in Low Noise】 There is no special sleep mode, but through intelligent detection and wind speed regulation, it can accompany you to spend a comfortable home life 24 hours a day throughout the year! When you rest on the sofa or bed, adjust the wind speed to low, the decibel value of the machine is about 50dB. When the wind speed is adjusted to run at high speed, the decibel level will increase by 60dB. Don't worry too much, it will not affect your ability to concentrate on your own business.
【Refrigerant compatibility R32】 The refrigerant compatibility of this portable air conditioner is R32/0.34kg (12OZ). relevant indices: ODP=0, GWP=2200. Its advantages are that it does not damage the ozone layer, is environment friendly, and high refrigeration efficiency, it has good safety performance (non-flammable, non-explosive, non-toxic, non-irritating, non-corrosive)
【Why can't the temperature be lowered in a large room? 】 To achieve the best cooling effect. Please be sure to connect the exhaust pipe, because the compressor will discharge heat when working, and this heat must be discharged to avoid affecting the indoor temperature. In addition, the air output of this machine is 400m³/h. When you need it to run the cooling mode in a space of 40-60 sq m, please check whether the room is relatively empty and there is no other heat source that generates heat. Under normal circumstances, it takes 30-40 minutes to cool down to the ideal value. Thank you for your understanding!

9.9

Exceptional

9.9

Exceptional

ELECCI

ELECCI 4-in-1 Portable Air Conditioner - 12000 BTU Cooling/Heating for 60m² Rooms | WiFi-Enabled Dehumidifier, Heater & Fan with Compressor | All-Season Smart Climate Control

10% OffFree Shipping

Why we love it

Highly efficient cooling and heating.
Four personalized air treatment modes.
Convenient drainage for hassle-free use.

Main Highlights

【Highly efficient in Cooling and Hot Air】 With a highly efficient compressor, this powerful air conditioner coolers is the perfect addition to any room, providing COOL AIR to a 60 square meters space and HOT AIR to a 40 square meters space, giving you a wonderful feeling in both hot and cold weather. Temperature Control Range is between 61℉ (16℃）and 90℉ (32℃), operating a variety of controls to let it be the more comfortable temperature range for the human body in different seasons.
【Powerful Four Air Treatment Mode You Need】This portable air conditioner coolers has 4 personalized function modes for you to choose from - Cooling, Heater, Dehumidify and Air Supply it also has a built-in temperature sensor that automatically adjusts the compressor operation according to the current temperature environment to reduce energy consumption.
【Super Convenient to Drain】No more frequent empting of bucket or pan for condensate. Not only does this cooler have a inner water tank, but also it can be drained through two drain holes for cooling, heating and dehumidification modes. After the drainage pipe is connected to the upper drain hose, it can drain water for cooling and heater mode, and the lower drain hose can discharge condensate for dehumidification function. More convenient to use, peace of mind.
【Humanized design-double LCD display】 This multifunctional air treatment air conditioner cooler is equipped with an easy-to-read LCD data display in the front of cooler that lets you know the operating status of the machine, which also allows you to check the temperature from a distance or from a distance in the dark, in addition, it is also designed with an intelligent control panel in the top, which allows you adjust its mode or temp as you need, with the portable remote control you can adjust the temperature.
【Low Maintainance-Safe to Use】With auto defrost function under dehumidify and cooling mode. And continuous drainage is available when working. It also can automatically detect the machine temperature and determine whether antifreeze is needed, so that the machine still has good performance when the ambient temperature is low. This is very important the compressor also has stop and start protection functions when the machine is running, maximizing the safety of use.
【Advantage in Low Noise】 There is no special sleep mode, but through intelligent detection and wind speed regulation, it can accompany you to spend a comfortable home life 24 hours a day throughout the year! When you rest on the sofa or bed, adjust the wind speed to low, the decibel value of the machine is about 50dB. When the wind speed is adjusted to run at high speed, the decibel level will increase by 60dB. Don't worry too much, it will not affect your ability to concentrate on your own business.
【Refrigerant compatibility R32】 The refrigerant compatibility of this portable air conditioner is R32/0.34kg (12OZ). relevant indices: ODP=0, GWP=2200. Its advantages are that it does not damage the ozone layer, is environment friendly, and high refrigeration efficiency, it has good safety performance (non-flammable, non-explosive, non-toxic, non-irritating, non-corrosive)
【Why can't the temperature be lowered in a large room? 】 To achieve the best cooling effect. Please be sure to connect the exhaust pipe, because the compressor will discharge heat when working, and this heat must be discharged to avoid affecting the indoor temperature. In addition, the air output of this machine is 400m³/h. When you need it to run the cooling mode in a space of 40-60 sq m, please check whether the room is relatively empty and there is no other heat source that generates heat. Under normal circumstances, it takes 30-40 minutes to cool down to the ideal value. Thank you for your understanding!

Humhold 12000 BTU Portable Air Conditioner with Remote Control, 3 in 1 AC Cooling Unit with Fan and Dehumidifier, Refreshes Room Up to 500 Square Feet, Mode

Humhold 12000 BTU Portable Air Conditioner with Remote Control, 3 in 1 AC Cooling Unit with Fan and Dehumidifier, Refreshes Room Up to 500 Square Feet, Mode

HUMHOLD

5% Off

Why we love it

Powerful cooling for large spaces.
Convenient three-in-one functionality.
Easy to move and install.

Main Highlights

12000 BTU Powerful Cooling Efficiency:The Humhold powerful portable AC unit has a cooling capacity of 12,000 BTU (ASHRAE) / 8,000 BTU (SACC), has a more energy efficient compressor that can provide cold air to 46,500 square feet of large space in your living room, bedroom, home kitchen, carport. or one one one or one one Stable and efficientefficientefficientefficientefficientefficiententeficiententententententententententententententententententeenthentheentheentheentheentheentheentheentheenth-centuryeenth-twenty-twenty-twenty-twenty-twenty-twenty-twenty-eighteenth-centurienteficientMoreover, can maintain
【3 in 1 Cooling/Dehumidification/Fan Function】Smart portable air conditioner provides the convenience of 3 in 1 functions, including cooling, 3-speed fan and dehumidification, which meets your daily needs. You can freely adjust the temperature in cooling mode, from (36 °F to 70 °F) in hot weather. The capacity of the 75 pint/day dehumidifier can effectively reduce the humidity in small rooms and as a fan to circulate indoor air at all times, eliminating excess moisture and releasing fresh air for a healthy and comfortable environment.
【Front LED Display & LED Remote Control】Our self-evaporable portable AC unit comes with an easy-to-read front LED display, combined with full function remote control which has LED display and control distance up to 23 feet, you can easily adjust the temperature and wind speed you want while sitting on the sofa or lying on the bed, no need to approach or get up, maximize the comfort of mobile air conditioners.
NO NEED TO DRAIN - With built-in improved water self-evaporation system of smart AC units, no need to drain water for daily use in the home, the water vapor will automatically evaporate through the hose. However, if placed in a very humid environment such as a bathroom, laundry room, etc., it will need to be drained every 8 hours, otherwise the machine will stop if the water tank inside is full, you can disconnect the drain plug on the back and connect the household hose to drain, then turn on the machine again. It is also recommended to clean the filter every week, the filter is designed to disassemble easily without tools and can be washed directly with water.
【Smart & Sleep Mode with 24 Hour Timer to Save Energy】 With built-in internal temperature sensor, intelligent mode allows the portable AC inverter unit to work automatically in cold mode or fan mode depending on the ambient temperature, keep the single room at the most comfortable temperature of 73F-77F. The sleep mode will maintain an optimal temperature at low speed, and will provide you with less than 48dB of silent room, besides, you can preset to stop the AC unit in front of 0.5-24 hours, all these functional modes save money and allow you to have a proper temperature to relax and sleep well in the wonderful summer.
IMPROVED WIND SPEED & AUTOMATIC ROTATING - More powerful and improved built-in fan system, with 0 to 80° wide angle airflow and automatic rotation function that cools the room in all directions, the angle can be adjusted freely, and the air flows evenly throughout the room, which can distribute the cold air so as to cool the room to the fastest speed, so you can feel cold wind in any room. Home
EASY TO MOVE AND INSTALL - This floor air conditioning machine comes with four universal 360° wheels and hidden handles on both sides so you can easily move the machine to any room. The window seal kit and drain hose are included in the purchase of portable air conditioning to ensure easy installation, and fits most vertical windows and horizontal windows. Easy to install in 3 steps: first connect the seal panels to the window, secondly insert the exhaust pipe adapters to the air conditioner and window plate, thirdly connect and enjoy the cooling air.

9.2

Superb

9.2

Superb

HUMHOLD

Humhold 12000 BTU Portable Air Conditioner with Remote Control, 3 in 1 AC Cooling Unit with Fan and Dehumidifier, Refreshes Room Up to 500 Square Feet, Mode

5% Off

Why we love it

Powerful cooling for large spaces.
Convenient three-in-one functionality.
Easy to move and install.

Main Highlights

12000 BTU Powerful Cooling Efficiency:The Humhold powerful portable AC unit has a cooling capacity of 12,000 BTU (ASHRAE) / 8,000 BTU (SACC), has a more energy efficient compressor that can provide cold air to 46,500 square feet of large space in your living room, bedroom, home kitchen, carport. or one one one or one one Stable and efficientefficientefficientefficientefficientefficiententeficiententententententententententententententententententeenthentheentheentheentheentheentheentheentheenth-centuryeenth-twenty-twenty-twenty-twenty-twenty-twenty-twenty-eighteenth-centurienteficientMoreover, can maintain
【3 in 1 Cooling/Dehumidification/Fan Function】Smart portable air conditioner provides the convenience of 3 in 1 functions, including cooling, 3-speed fan and dehumidification, which meets your daily needs. You can freely adjust the temperature in cooling mode, from (36 °F to 70 °F) in hot weather. The capacity of the 75 pint/day dehumidifier can effectively reduce the humidity in small rooms and as a fan to circulate indoor air at all times, eliminating excess moisture and releasing fresh air for a healthy and comfortable environment.
【Front LED Display & LED Remote Control】Our self-evaporable portable AC unit comes with an easy-to-read front LED display, combined with full function remote control which has LED display and control distance up to 23 feet, you can easily adjust the temperature and wind speed you want while sitting on the sofa or lying on the bed, no need to approach or get up, maximize the comfort of mobile air conditioners.
NO NEED TO DRAIN - With built-in improved water self-evaporation system of smart AC units, no need to drain water for daily use in the home, the water vapor will automatically evaporate through the hose. However, if placed in a very humid environment such as a bathroom, laundry room, etc., it will need to be drained every 8 hours, otherwise the machine will stop if the water tank inside is full, you can disconnect the drain plug on the back and connect the household hose to drain, then turn on the machine again. It is also recommended to clean the filter every week, the filter is designed to disassemble easily without tools and can be washed directly with water.
【Smart & Sleep Mode with 24 Hour Timer to Save Energy】 With built-in internal temperature sensor, intelligent mode allows the portable AC inverter unit to work automatically in cold mode or fan mode depending on the ambient temperature, keep the single room at the most comfortable temperature of 73F-77F. The sleep mode will maintain an optimal temperature at low speed, and will provide you with less than 48dB of silent room, besides, you can preset to stop the AC unit in front of 0.5-24 hours, all these functional modes save money and allow you to have a proper temperature to relax and sleep well in the wonderful summer.
IMPROVED WIND SPEED & AUTOMATIC ROTATING - More powerful and improved built-in fan system, with 0 to 80° wide angle airflow and automatic rotation function that cools the room in all directions, the angle can be adjusted freely, and the air flows evenly throughout the room, which can distribute the cold air so as to cool the room to the fastest speed, so you can feel cold wind in any room. Home
EASY TO MOVE AND INSTALL - This floor air conditioning machine comes with four universal 360° wheels and hidden handles on both sides so you can easily move the machine to any room. The window seal kit and drain hose are included in the purchase of portable air conditioning to ensure easy installation, and fits most vertical windows and horizontal windows. Easy to install in 3 steps: first connect the seal panels to the window, secondly insert the exhaust pipe adapters to the air conditioner and window plate, thirdly connect and enjoy the cooling air.

We scanned 1975 products

We reviewed these offers relevant to the Portable Air Conditioning Unit 12000 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 ELECCI, Dreo, Pro Breeze, ALL AIR, Brittmade, HUMHOLD, Prem-i-air, De'Longhi, BLACK+DECKER, SereneLife, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Portable Air Conditioning Unit 12000 Btu in the market, we considered we took a deep dive into 9876 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.

Best Portable Air Conditioning Unit 12000 Btu of 2025

We scanned 1975 products

We concluded that: