10 Best 18000 BTU Air Conditioner Wall Split in UK 2025

Updated on 24/06/2025
#1
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  • Energy efficient A+++ rating
  • Suitable for homes and large offices
  • 3-in-1 functionality: cooling, heating, and dehumidifying
  • Comes with EasyFit pre-gassed 5 m pipe and cable kit
  • Powerful yet quiet operation
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  • Energy efficient A+++ rating
  • Suitable for homes and large offices
  • 3-in-1 functionality: cooling, heating, and dehumidifying
  • Comes with EasyFit pre-gassed 5 m pipe and cable kit
  • Powerful yet quiet operation
#2
Value for Money
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  • 9000 BTU cooling capacity provides effective cooling down to 16°C, suitable for medium to large spaces such as homes and offices.
  • Wi-Fi connectivity allows for remote control of the AC unit via smartphone app or voice commands; compatible with Amazon Alexa and Google Home.
  • Offers four functions: air cooling, dehumidifying, fan-only, and sleep modes, controllable through the app, digital display, or remote.
  • Class A Energy Efficiency rating and R290 refrigerant make this unit an environmentally friendly choice that reduces energy costs.
  • Includes two easy-to-install window venting kits for both slide and hinged windows, designed for minimal space intrusion.
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  • 9000 BTU cooling capacity provides effective cooling down to 16°C, suitable for medium to large spaces such as homes and offices.
  • Wi-Fi connectivity allows for remote control of the AC unit via smartphone app or voice commands; compatible with Amazon Alexa and Google Home.
  • Offers four functions: air cooling, dehumidifying, fan-only, and sleep modes, controllable through the app, digital display, or remote.
  • Class A Energy Efficiency rating and R290 refrigerant make this unit an environmentally friendly choice that reduces energy costs.
  • Includes two easy-to-install window venting kits for both slide and hinged windows, designed for minimal space intrusion.
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#3
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  • 22L/day dehumidifier helps prevent damp and mold, enhancing home comfort.
  • Effectively dries various fabrics without damage, including sportswear and delicates.
  • Compact design includes features like sleep mode, child lock, and a washable filter for convenience.
  • Capable of cooling spaces up to 80m3 with a powerful 8000BTU capacity for summer comfort.
  • Eco-friendly R-290 refrigerant ensures low environmental impact and quiet operation.
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  • 22L/day dehumidifier helps prevent damp and mold, enhancing home comfort.
  • Effectively dries various fabrics without damage, including sportswear and delicates.
  • Compact design includes features like sleep mode, child lock, and a washable filter for convenience.
  • Capable of cooling spaces up to 80m3 with a powerful 8000BTU capacity for summer comfort.
  • Eco-friendly R-290 refrigerant ensures low environmental impact and quiet operation.
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#4
33% Off
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  • Compact design suitable for bedrooms, offices, and small spaces.
  • 1.5m exhaust hose included for easy venting through windows or walls.
  • Remote control allows operation from across the room.
  • Programmable 24-hour timer for customized cooling schedules.
  • Two fan speed settings to customize airflow.
  • Quiet operation ideal for nighttime and work environments.
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  • Compact design suitable for bedrooms, offices, and small spaces.
  • 1.5m exhaust hose included for easy venting through windows or walls.
  • Remote control allows operation from across the room.
  • Programmable 24-hour timer for customized cooling schedules.
  • Two fan speed settings to customize airflow.
  • Quiet operation ideal for nighttime and work environments.
#5
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  • Efficiently cools spaces up to 300 sq. ft. with a quick cooling time to 17°C in 10 minutes.
  • Features an LED digital display and remote control for easy temperature management and settings adjustment.
  • Operates in three modes: cooling, fan, and dehumidifier to maintain optimal humidity levels between 40% and 60%.
  • Portable design with casters and handles for easy movement; quick installation with a window venting kit that requires no drilling.
  • Energy-saving 24-hour timer and sleep mode for quieter operation, with a child lock for added safety.
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  • Efficiently cools spaces up to 300 sq. ft. with a quick cooling time to 17°C in 10 minutes.
  • Features an LED digital display and remote control for easy temperature management and settings adjustment.
  • Operates in three modes: cooling, fan, and dehumidifier to maintain optimal humidity levels between 40% and 60%.
  • Portable design with casters and handles for easy movement; quick installation with a window venting kit that requires no drilling.
  • Energy-saving 24-hour timer and sleep mode for quieter operation, with a child lock for added safety.
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#6
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  • POWERFUL COOLING: 18,000 BTU (5,200W) cooling capacity ideal for spaces up to 160m³, with additional 16,000 BTU heating function for year-round comfort.
  • SMART CONTROLS: Wi-Fi enabled with Eurom Smart App compatibility, plus convenient remote control and intuitive control panel for multiple operation methods.
  • EFFICIENT DEHUMIDIFICATION: Removes up to 2.2L of moisture per hour, featuring washable fabric filter for improved air quality and maintenance.
  • VERSATILE SETTINGS: Three power levels, 24-hour programmable timer, and operating temperature range of 16-35°C for customised climate control.
  • PORTABLE DESIGN: Integrated wheels and window exhaust kit included, dimensions 58 × 32.1 × 76.7 cm, with energy-efficient A-rated performance.
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  • POWERFUL COOLING: 18,000 BTU (5,200W) cooling capacity ideal for spaces up to 160m³, with additional 16,000 BTU heating function for year-round comfort.
  • SMART CONTROLS: Wi-Fi enabled with Eurom Smart App compatibility, plus convenient remote control and intuitive control panel for multiple operation methods.
  • EFFICIENT DEHUMIDIFICATION: Removes up to 2.2L of moisture per hour, featuring washable fabric filter for improved air quality and maintenance.
  • VERSATILE SETTINGS: Three power levels, 24-hour programmable timer, and operating temperature range of 16-35°C for customised climate control.
  • PORTABLE DESIGN: Integrated wheels and window exhaust kit included, dimensions 58 × 32.1 × 76.7 cm, with energy-efficient A-rated performance.
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#7
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  • Heavy-duty bracket made with galvanized and epoxy paint finish for a matte surface, designed to safely support over 480lbs.
  • Includes a built-in leveler for precise installation, suitable for various residential and commercial applications. The bracket size is 21.65" L x 17.72" H, with a leveler bar measuring 33.46".
  • Compatible with most major brands of wall-mounted split air conditioners, adjustable for systems with 18,000 to 24,000 BTU capacity.
  • Elevates the air conditioner above ground level, protecting it from dirt, snow, floods, and vandalism, while improving cleanliness and prolonging service life.
  • Offers a 1-year warranty and a satisfaction guarantee with a 100% refund policy.
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  • Heavy-duty bracket made with galvanized and epoxy paint finish for a matte surface, designed to safely support over 480lbs.
  • Includes a built-in leveler for precise installation, suitable for various residential and commercial applications. The bracket size is 21.65" L x 17.72" H, with a leveler bar measuring 33.46".
  • Compatible with most major brands of wall-mounted split air conditioners, adjustable for systems with 18,000 to 24,000 BTU capacity.
  • Elevates the air conditioner above ground level, protecting it from dirt, snow, floods, and vandalism, while improving cleanliness and prolonging service life.
  • Offers a 1-year warranty and a satisfaction guarantee with a 100% refund policy.
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#8
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  • Compatible with most brands of wall-mounted split air conditioners, supporting 18,000 to 24,000 BTU systems. Bracket length is 21.65 inches, with a leveling rod measuring 33.46 inches.
  • Constructed from solid stainless steel with a triangular structure for strong stability and durability. Features a powder-coated surface for anti-corrosion and weather resistance, suitable for outdoor use under severe conditions.
  • Supports a maximum weight of 480 pounds and includes rubber shock absorbers to reduce vibration and enhance air flow, contributing to a quieter indoor environment.
  • All required hardware is included for quick and easy installation. Elevating the air conditioner off the ground protects it from dust, snow, and debris, promoting safe operation and longevity of the unit.
  • Offers a 365-day warranty for customer peace of mind, with dedicated support for any inquiries or issues related to the product.
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  • Compatible with most brands of wall-mounted split air conditioners, supporting 18,000 to 24,000 BTU systems. Bracket length is 21.65 inches, with a leveling rod measuring 33.46 inches.
  • Constructed from solid stainless steel with a triangular structure for strong stability and durability. Features a powder-coated surface for anti-corrosion and weather resistance, suitable for outdoor use under severe conditions.
  • Supports a maximum weight of 480 pounds and includes rubber shock absorbers to reduce vibration and enhance air flow, contributing to a quieter indoor environment.
  • All required hardware is included for quick and easy installation. Elevating the air conditioner off the ground protects it from dust, snow, and debris, promoting safe operation and longevity of the unit.
  • Offers a 365-day warranty for customer peace of mind, with dedicated support for any inquiries or issues related to the product.
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#9
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  • Durable construction using heavy-duty steel for added strength and support. Suitable for units of 9000, 12000, and 18000 BTU, with a maximum weight capacity of 280 lbs.
  • Weather-resistant powder coating ensures longevity and reliability in outdoor conditions.
  • Provides a minimum of 5'' clearance for optimal airflow during condenser operation, with a 12'' clearance required for floor mounting.
  • Designed for straightforward installation; includes necessary hardware. Safety gear is recommended for DIY installation.
  • Avoid mounting near sleeping areas, as vibrations from the condensing unit may not be completely minimized.
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  • Durable construction using heavy-duty steel for added strength and support. Suitable for units of 9000, 12000, and 18000 BTU, with a maximum weight capacity of 280 lbs.
  • Weather-resistant powder coating ensures longevity and reliability in outdoor conditions.
  • Provides a minimum of 5'' clearance for optimal airflow during condenser operation, with a 12'' clearance required for floor mounting.
  • Designed for straightforward installation; includes necessary hardware. Safety gear is recommended for DIY installation.
  • Avoid mounting near sleeping areas, as vibrations from the condensing unit may not be completely minimized.
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#10
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  • Multi-functional fan: Serves as a floor fan and circulator with 8 wind speeds and 6 modes to adapt to various needs.
  • Omni-directional oscillation: 120° vertical and horizontal oscillation ensures air circulation throughout the entire room.
  • Energy-efficient and quiet operation: DC motor and aerodynamic design increase air volume by 30% while maintaining a low noise level of 23dB.
  • Effective air circulation: Reaches up to 80 feet away with adjustable height (35-40") and an 8-hour timer for convenience.
  • Versatile for year-round use: Can be paired with heaters, ACs, or humidifiers to provide comfort across all seasons.
  • Smart features: Control and customize settings using voice assistants or the Dreo app for enhanced convenience.
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  • Multi-functional fan: Serves as a floor fan and circulator with 8 wind speeds and 6 modes to adapt to various needs.
  • Omni-directional oscillation: 120° vertical and horizontal oscillation ensures air circulation throughout the entire room.
  • Energy-efficient and quiet operation: DC motor and aerodynamic design increase air volume by 30% while maintaining a low noise level of 23dB.
  • Effective air circulation: Reaches up to 80 feet away with adjustable height (35-40") and an 8-hour timer for convenience.
  • Versatile for year-round use: Can be paired with heaters, ACs, or humidifiers to provide comfort across all seasons.
  • Smart features: Control and customize settings using voice assistants or the Dreo app for enhanced convenience.
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