10 Best Air Conditioning Unit 12000 BTU in the UK 2025

Updated on 25/07/2025
#1
6% Off
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  • Efficient cooling and heating for up to 60 sq m and 40 sq m respectively, with a temperature control range of 61℉ (16℃) to 90℉ (32℃).
  • Four modes: Cooling, Heating, Dehumidifying, and Air Supply, featuring an automatic temperature sensor for better energy efficiency.
  • Convenient drainage system with an internal water tank and two drain holes for easy water management during operation.
  • User-friendly with an LCD display for visibility of operation status and control from both a remote and the top panel.
  • Low maintenance with auto defrost and safety features, ensuring stable performance in various conditions.
  • Uses environmentally friendly R32 refrigerant, which is safe and efficient.
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  • Efficient cooling and heating for up to 60 sq m and 40 sq m respectively, with a temperature control range of 61℉ (16℃) to 90℉ (32℃).
  • Four modes: Cooling, Heating, Dehumidifying, and Air Supply, featuring an automatic temperature sensor for better energy efficiency.
  • Convenient drainage system with an internal water tank and two drain holes for easy water management during operation.
  • User-friendly with an LCD display for visibility of operation status and control from both a remote and the top panel.
  • Low maintenance with auto defrost and safety features, ensuring stable performance in various conditions.
  • Uses environmentally friendly R32 refrigerant, which is safe and efficient.
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#2
Value for Money
BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres
BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres
BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres
BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres
BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres
BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres
BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres
BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres
BLU
  • Portable air conditioner with 4 functions: cooling, heating, fan, and dehumidifier, including a 1.5m expandable exhaust hose.
  • Utilizes eco-friendly R290 refrigerant, compliant with 2020 standards, offering energy savings and low greenhouse emissions.
  • Features self-evaporating technology that reduces water tank maintenance by recycling condensed water for efficient operation.
  • Includes window sheet and remote control with LED display for easy mode switching and temperature setting; designed for low noise operation (49-53 dB) and easy mobility with casters.
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  • Portable air conditioner with 4 functions: cooling, heating, fan, and dehumidifier, including a 1.5m expandable exhaust hose.
  • Utilizes eco-friendly R290 refrigerant, compliant with 2020 standards, offering energy savings and low greenhouse emissions.
  • Features self-evaporating technology that reduces water tank maintenance by recycling condensed water for efficient operation.
  • Includes window sheet and remote control with LED display for easy mode switching and temperature setting; designed for low noise operation (49-53 dB) and easy mobility with casters.
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#3
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  • Dimensions: 44 L x 35 W x 70 H cm, weight: 26 kg; Cooling capacity of 12000 BTU suitable for spaces up to 400 sq ft with an air circulation rate of 390 m³/h.
  • 4-in-1 functionality: Offers cooling, dehumidification, fan, and sleep mode to adapt to various needs throughout the year, with reduced noise during sleep mode for enhanced comfort.
  • Equipped with a multi-function control panel and LED display; includes a full-function remote for easy temperature and humidity adjustments, timer settings, and mode switching.
  • Lightweight and portable design with easy mobility features, including 360° wheels and recessed handles; adjustable window kit compatible with different window types without drilling.
  • Installation package includes exhaust hose, hose connector, window kit adapter, remote control, and user manual; dedicated customer support available 24/7 for assistance.
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  • Dimensions: 44 L x 35 W x 70 H cm, weight: 26 kg; Cooling capacity of 12000 BTU suitable for spaces up to 400 sq ft with an air circulation rate of 390 m³/h.
  • 4-in-1 functionality: Offers cooling, dehumidification, fan, and sleep mode to adapt to various needs throughout the year, with reduced noise during sleep mode for enhanced comfort.
  • Equipped with a multi-function control panel and LED display; includes a full-function remote for easy temperature and humidity adjustments, timer settings, and mode switching.
  • Lightweight and portable design with easy mobility features, including 360° wheels and recessed handles; adjustable window kit compatible with different window types without drilling.
  • Installation package includes exhaust hose, hose connector, window kit adapter, remote control, and user manual; dedicated customer support available 24/7 for assistance.
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#4
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  • Three modes: Air Condition, Dehumidify, Fan. Air Condition cools the room while removing hot air. Fan mode circulates air, and Dehumidify mode removes excess moisture.
  • 12,000 BTU cooling power cools rooms up to 51 sqm, with a temperature range of 16 to 31 degrees for optimal comfort.
  • Includes a remote control and an LED display for easy operation and mode indication.
  • Fabric window vent kit allows hot exhaust air to escape while preventing warm air from entering, enhancing efficiency.
  • Timer and Sleep mode for convenient operation; the unit can turn off automatically and operates quietly while you sleep.
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  • Three modes: Air Condition, Dehumidify, Fan. Air Condition cools the room while removing hot air. Fan mode circulates air, and Dehumidify mode removes excess moisture.
  • 12,000 BTU cooling power cools rooms up to 51 sqm, with a temperature range of 16 to 31 degrees for optimal comfort.
  • Includes a remote control and an LED display for easy operation and mode indication.
  • Fabric window vent kit allows hot exhaust air to escape while preventing warm air from entering, enhancing efficiency.
  • Timer and Sleep mode for convenient operation; the unit can turn off automatically and operates quietly while you sleep.
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#5
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  • 12,000 BTU cooling capacity efficiently cools spaces up to 26 square meters, ideal for various environments including offices and homes.
  • Wi-Fi connectivity enables control via the Nethome Plus app, allowing temperature and timer adjustments from mobile devices; compatible with Amazon Alexa and Google Home for basic commands.
  • Class A energy efficiency rating with low power consumption, utilizing eco-friendly R290 refrigerant for cost-effective operation.
  • Three speed settings (high, low, sleep) and a temperature range of 17-35°C, featuring a 24-hour timer adjustable through touch controls or remote; portable design with wheels for easy movement.
  • Product dimensions: 46.7cm x 39.7cm x 76.5cm (32.5kg); Carton dimensions: 51.2cm x 44.2cm x 88cm (36.2kg).
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  • 12,000 BTU cooling capacity efficiently cools spaces up to 26 square meters, ideal for various environments including offices and homes.
  • Wi-Fi connectivity enables control via the Nethome Plus app, allowing temperature and timer adjustments from mobile devices; compatible with Amazon Alexa and Google Home for basic commands.
  • Class A energy efficiency rating with low power consumption, utilizing eco-friendly R290 refrigerant for cost-effective operation.
  • Three speed settings (high, low, sleep) and a temperature range of 17-35°C, featuring a 24-hour timer adjustable through touch controls or remote; portable design with wheels for easy movement.
  • Product dimensions: 46.7cm x 39.7cm x 76.5cm (32.5kg); Carton dimensions: 51.2cm x 44.2cm x 88cm (36.2kg).
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#6
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  • 5-in-1 Portable Air Conditioner with modes for cooling, dehumidifying, fan operation, auto functions, and sleep settings. Cooling range from 15°C to 31°C with oscillating airflow to enhance performance.
  • Intelligent Control with a touch screen panel and LED display for easy temperature monitoring. Features a memory function, remote control, and smartphone app support; sleep mode operates quietly and gradually adjusts over time, available with a 24-hour timer.
  • Portable design measuring 44 x 33.5 x 71 cm and weighing 29.5 kg, equipped with universal wheels and a side handle for easy mobility. Removable filter for maintenance, with drain indicators for proper water disposal.
  • Includes a window exhaust kit compatible with various window types, makes installation simple and can accommodate both horizontal and vertical sliding windows without drilling.
  • Eco-friendly operation using R290 refrigerant, ensuring safety for the ozone layer while maintaining energy efficiency class A for cost-effective cooling.
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  • 5-in-1 Portable Air Conditioner with modes for cooling, dehumidifying, fan operation, auto functions, and sleep settings. Cooling range from 15°C to 31°C with oscillating airflow to enhance performance.
  • Intelligent Control with a touch screen panel and LED display for easy temperature monitoring. Features a memory function, remote control, and smartphone app support; sleep mode operates quietly and gradually adjusts over time, available with a 24-hour timer.
  • Portable design measuring 44 x 33.5 x 71 cm and weighing 29.5 kg, equipped with universal wheels and a side handle for easy mobility. Removable filter for maintenance, with drain indicators for proper water disposal.
  • Includes a window exhaust kit compatible with various window types, makes installation simple and can accommodate both horizontal and vertical sliding windows without drilling.
  • Eco-friendly operation using R290 refrigerant, ensuring safety for the ozone layer while maintaining energy efficiency class A for cost-effective cooling.
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#7
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  • Intelligent 11,000 BTU air conditioner designed for spaces up to 110m³, featuring Silent Technology for up to 50% noise reduction.
  • Control the unit remotely via the De'Longhi Comfort app or voice assistance, with personalized settings through MyEcoRealFeel and a geofencing feature.
  • Compatible with voice-enabled speakers like Amazon Alexa and Google Assistant for hands-free operation.
  • Smart Sensing technology monitors temperature and humidity, ensuring optimal cooling based on your surroundings.
  • 3-in-1 functionality includes cooling, dehumidifying (41L/24 hours), and fan settings, catering to various climates and personal preferences.
  • Class A+ energy efficiency rating, promoting 30% energy savings with MyEcoRealFeel technology.
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  • Intelligent 11,000 BTU air conditioner designed for spaces up to 110m³, featuring Silent Technology for up to 50% noise reduction.
  • Control the unit remotely via the De'Longhi Comfort app or voice assistance, with personalized settings through MyEcoRealFeel and a geofencing feature.
  • Compatible with voice-enabled speakers like Amazon Alexa and Google Assistant for hands-free operation.
  • Smart Sensing technology monitors temperature and humidity, ensuring optimal cooling based on your surroundings.
  • 3-in-1 functionality includes cooling, dehumidifying (41L/24 hours), and fan settings, catering to various climates and personal preferences.
  • Class A+ energy efficiency rating, promoting 30% energy savings with MyEcoRealFeel technology.
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#8
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  • 10000 BTU cooling capacity cools spaces in about three minutes, suitable for bedrooms, offices, and garages.
  • Functions as an air conditioner, dehumidifier, and high-airflow fan for year-round comfort.
  • Adjust fan speed and cooling settings easily with a remote or control panel, suitable for users of all ages.
  • Tool-free installation takes about 10 minutes with included accessories, making setup simple for anyone.
  • Quiet operation at 50dB ensures minimal noise, with a sleep mode that turns off lights for better sleep.
  • Detachable air filter for easy cleaning; designed with handles and wheels for easy mobility around the home or RV.
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  • 10000 BTU cooling capacity cools spaces in about three minutes, suitable for bedrooms, offices, and garages.
  • Functions as an air conditioner, dehumidifier, and high-airflow fan for year-round comfort.
  • Adjust fan speed and cooling settings easily with a remote or control panel, suitable for users of all ages.
  • Tool-free installation takes about 10 minutes with included accessories, making setup simple for anyone.
  • Quiet operation at 50dB ensures minimal noise, with a sleep mode that turns off lights for better sleep.
  • Detachable air filter for easy cleaning; designed with handles and wheels for easy mobility around the home or RV.
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#9
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  • 9000 BTU 3-in-1 air conditioning unit providing cooling, dehumidifying, and fan functions for year-round comfort.
  • Sleep Mode for undisturbed sleep, maintaining a comfortable temperature with low fan operation; includes remote control for easy use.
  • Energy Efficiency Class A rating, designed to save energy; features an auto-restart function for convenience after power outages.
  • Includes accessories for window or wall installation of the air discharge pipe for versatile setup options.
  • Dimensions: 318 (W) x 329 (H) x 634mm (D); comes with a 3-year manufacturer's warranty for added assurance.
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  • 9000 BTU 3-in-1 air conditioning unit providing cooling, dehumidifying, and fan functions for year-round comfort.
  • Sleep Mode for undisturbed sleep, maintaining a comfortable temperature with low fan operation; includes remote control for easy use.
  • Energy Efficiency Class A rating, designed to save energy; features an auto-restart function for convenience after power outages.
  • Includes accessories for window or wall installation of the air discharge pipe for versatile setup options.
  • Dimensions: 318 (W) x 329 (H) x 634mm (D); comes with a 3-year manufacturer's warranty for added assurance.
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#10
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  • Cooling, fan, and dehumidifying functions
  • Energy efficiency class: A
  • Suitable for bedrooms and living areas
  • Three fan speeds for effective cooling
  • Portable and user-friendly design
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  • Cooling, fan, and dehumidifying functions
  • Energy efficiency class: A
  • Suitable for bedrooms and living areas
  • Three fan speeds for effective cooling
  • Portable and user-friendly design
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