10 Best Air Conditioning Unit 18000 BTU in the UK 2025
Updated on 05/08/2025
#1
Recommended
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- Designed for rapid cooling and heating, capable of cooling a room in 30 seconds and heating in 60 seconds, with a coverage area of up to 750 sq. ft.
- Utilizes advanced inverter technology with a 17 SEER 2 rating for energy efficiency, while the R32 refrigerant minimizes environmental impact and energy costs.
- Offers five modes and four fan speed settings for customizable operation, along with a 24-hour timer and features like Turbo, ECO, Sleep, and Silent modes.
- Includes self-cleaning and automatic defrost functions to maintain efficiency, suitable for use in temperatures as low as -4℉, ensuring year-round comfort.
- AHRI-certified for reliability, meeting industry standards for performance and energy efficiency.
- Ships in two separate packages, professional installation is recommended for optimal operation.
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- Designed for rapid cooling and heating, capable of cooling a room in 30 seconds and heating in 60 seconds, with a coverage area of up to 750 sq. ft.
- Utilizes advanced inverter technology with a 17 SEER 2 rating for energy efficiency, while the R32 refrigerant minimizes environmental impact and energy costs.
- Offers five modes and four fan speed settings for customizable operation, along with a 24-hour timer and features like Turbo, ECO, Sleep, and Silent modes.
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#2
Value for Money
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- Uses eco-friendly propane R290 gas with no greenhouse emissions
- Provides maximum cooling of 11,500 BTU, ensuring extensive coverage and energy efficiency
- Features a 12-hour digital timer and thermostat with Real Feel technology for precise temperature control
- Equipped with an LED display for real-time comfort status updates
- Operates quietly at 49-53 dB(A), minimizing sound disturbances with effective insulation
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- Uses eco-friendly propane R290 gas with no greenhouse emissions
- Provides maximum cooling of 11,500 BTU, ensuring extensive coverage and energy efficiency
- Features a 12-hour digital timer and thermostat with Real Feel technology for precise temperature control
- Equipped with an LED display for real-time comfort status updates
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#3
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- 5-in-1 functionality including cooling, heating, fan, air purification, and dehumidification, saving space and costs.
- Delivers 18,000 BTUs with 850 m3/h airflow for efficient temperature control in large areas, potentially reducing energy bills by up to 60%.
- Smart control via Wi-Fi and remote allows easy temperature management from anywhere.
- Includes installation kit with copper pipes, wall bracket, and drain pipe for convenience.
- Turbo mode for rapid temperature adjustment.
- LED display for real-time performance and temperature monitoring.
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- 5-in-1 functionality including cooling, heating, fan, air purification, and dehumidification, saving space and costs.
- Delivers 18,000 BTUs with 850 m3/h airflow for efficient temperature control in large areas, potentially reducing energy bills by up to 60%.
- Smart control via Wi-Fi and remote allows easy temperature management from anywhere.
- Includes installation kit with copper pipes, wall bracket, and drain pipe for convenience.
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#4
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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.
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#5
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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.
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#6
15% Off
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- Cooling mode effectively lowers room temperature; Fan mode offers strong airflow; Dehumidification mode maintains humidity levels around 50%; Silent mode provides quiet operation.
- Compact design fits easily into various spaces, including living rooms and kitchens; Night sleep mode ensures low fan speed for quiet cooling while you rest.
- Versatile 4-in-1 unit functions as an air conditioner, ventilator, dehumidifier, and cooling system, enhancing air circulation and reducing indoor temperature quickly.
- Simple installation with a dual window kit; suitable for most window types, making it accessible for all users regardless of experience level.
- LED display shows current room temperature; Remote control functionality adds convenience for adjusting settings from a distance.
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- Cooling mode effectively lowers room temperature; Fan mode offers strong airflow; Dehumidification mode maintains humidity levels around 50%; Silent mode provides quiet operation.
- Compact design fits easily into various spaces, including living rooms and kitchens; Night sleep mode ensures low fan speed for quiet cooling while you rest.
- Versatile 4-in-1 unit functions as an air conditioner, ventilator, dehumidifier, and cooling system, enhancing air circulation and reducing indoor temperature quickly.
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#7
9% Off
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- Cooling capacity of 12000 BTU suitable for rooms up to 550 sq ft (50m2) with a temperature range of 16-31℃.
- Offers three modes: Cooling, Fan, and Dehumidifier, with dehumidification removing up to 1.2L of moisture per hour and vertical air circulation available.
- Operates quietly at 54 decibels, includes a 24-hour programmable timer for energy efficiency and convenience.
- Compact design with caster wheels and side handles for easy mobility, includes a washable air filter for maintenance.
- Comes with adjustable window venting kits for different window types and an easy-to-use remote control.
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- Cooling capacity of 12000 BTU suitable for rooms up to 550 sq ft (50m2) with a temperature range of 16-31℃.
- Offers three modes: Cooling, Fan, and Dehumidifier, with dehumidification removing up to 1.2L of moisture per hour and vertical air circulation available.
- Operates quietly at 54 decibels, includes a 24-hour programmable timer for energy efficiency and convenience.
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#8
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- Includes installation kit with copper pipe, electrical wires, wall bracket, drain pipe, and remote control.
- Wi-Fi enabled for remote temperature control via smartphone; manage settings conveniently from anywhere.
- Functions as a cooling, heating, fan, air purifier, and dehumidifier in one unit, optimizing space and cost.
- Features 18,000 BTU output with high airflow capacity, designed for effective cooling or heating of large spaces, enhancing energy efficiency.
- Simplified installation process with pre-gassed and sealed indoor and outdoor units, ensuring quick setup by a qualified technician.
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- Includes installation kit with copper pipe, electrical wires, wall bracket, drain pipe, and remote control.
- Wi-Fi enabled for remote temperature control via smartphone; manage settings conveniently from anywhere.
- Functions as a cooling, heating, fan, air purifier, and dehumidifier in one unit, optimizing space and cost.
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#9
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- 5-in-1 functionality: Offers cooling, heating, fan, air purification, and dehumidification in a single unit.
- High air flow: 18000 BTU unit with an airflow rate of 850 m3/h, designed for efficient cooling or heating of large spaces.
- Smart Wi-Fi control: Control temperature, fan speed, and settings remotely using a smartphone app or included remote control.
- Complete installation kit: Comes with copper pipes, outdoor wall bracket, and drain pipe for convenient setup.
- Turbo mode: Enables rapid cooling or heating for quick comfort.
- Digital display: LED screen on the indoor unit provides real-time performance and temperature monitoring.
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- 5-in-1 functionality: Offers cooling, heating, fan, air purification, and dehumidification in a single unit.
- High air flow: 18000 BTU unit with an airflow rate of 850 m3/h, designed for efficient cooling or heating of large spaces.
- Smart Wi-Fi control: Control temperature, fan speed, and settings remotely using a smartphone app or included remote control.
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#10
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- Lightweight and portable design with rolling wheels, suitable for various indoor spaces like bedrooms or offices.
- Functions as a built-in dehumidifier, effectively reducing humidity while cooling the air.
- Offers four operational modes: cooling, heating, dehumidifying, and fan, along with automatic air circulation.
- Equipped with a user-friendly digital touch control panel and remote for adjusting power, mode, and temperature settings.
- Delivers 9,000 BTU cooling and heating capacity for rooms up to 42m², quietly removes moisture, and energy-efficient operation.
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- Lightweight and portable design with rolling wheels, suitable for various indoor spaces like bedrooms or offices.
- Functions as a built-in dehumidifier, effectively reducing humidity while cooling the air.
- Offers four operational modes: cooling, heating, dehumidifying, and fan, along with automatic air circulation.
- Equipped with a user-friendly digital touch control panel and remote for adjusting power, mode, and temperature settings.
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