10 Best Ceiling Cassette Air Conditioners in The UK

Last updated on 24/06/2025

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electriQ iQool Multi‑Split 2×18,000 BTU + 12,000 BTU 3‑Zone Smart Ceiling Cassette Air Conditioner with Heat Pump, 360° Airflow, A++/A+ Inverter, Wi‑Fi & “I Feel”, Includes 5 m Pipe Kit

Why We Love It

High cooling capacity: 42000 BTU.
Energy efficient, A++/A+ rating.
Smart WiFi control included.

Main Highlights

Multi-Zone Climate Control: One outdoor unit powers two 18k and one 12k ceiling cassette indoor units—providing customized comfort for up to three rooms from a single condenser
Powerful Heating & Cooling: Delivers a combined capacity of 13.1 kW for efficient temperature control across multiple zones, powered by super DC inverter heat-pump technology
360° Omni-Directional Airflow: Four-way ceiling cassettes ensure balanced air distribution and efficient comfort from every corner of the room
Ultra-Efficient & Quiet Operation: Offers SEER 6.1 (A++ cooling) and SCOP 4.0 (A+ heating) ratings, with whisper-quiet operation ideal for residential or office settings
Smart Wi‑Fi & “I Feel” Sensor: Control via smartphone app or voice, with the “Follow Me” feature adjusting temperature based on remote sensor location for maximum comfort
PLEASE NOTE: These units contain a gas which is governed by F-Gas regulations. The gas must be handled by a qualified F-Gas personnel. 2 Year warranty is subject to commissioning by qualified F-Gas engineers. 5 Years extended parts warranty is subject to annual service. Further information on the requirements and ensuring the engineer is qualified can be found at GOV UK.

electriQ iQool 36,000 BTU Smart A++ Ceiling Cassette Air Conditioner with Heat Pump, 3‑in‑1 Cooling/Heating/Dehumidify, 360° Airflow, R32 Inverter, Wi‑Fi “I Feel”, Includes 5 m Pipe Kit

Why We Love It

Ultra energy efficient rating.
Perfect for commercial use.
Extremely powerful performance.

Main Highlights

Ultra-High 36,000 BTU Cooling & Heating Ideal for large rooms or open-plan areas up to ~90 m², powered by a super DC inverter heat pump
3‑in‑1 Climate Control Provides year-round comfort with cooling, heating, and dehumidification—perfect for varying seasonal needs
360° Omnidirectional Airflow Four-way cassette design ensures uniform air distribution without hot or cold spots
Smart Wi‑Fi & “I Feel” Follow-Me Sensor Remote temperature sensing for personalized comfort; full app and voice control compatibility via smart device
Energy-Efficient & Quiet Operation A++ cooling / A+ heating rating with whisper-quiet performance; much more efficient than electric heating
Sleep Mode & 24-Hour Timer Reduces fan speed during sleep (up to 10 hours) and lets you program daily schedules
PLEASE NOTE: These units contain a gas which is governed by F-Gas regulations. The gas must be handled by a qualified F-Gas personnel. 2 Year warranty is subject to commissioning by qualified F-Gas engineers. 5 Years extended parts warranty is subject to annual service. Further information on the requirements and ensuring the engineer is qualified can be found at GOV UK.

electriQ iQool Multi‑Split 18,000 BTU + 12,000 BTU Smart Ceiling Cassette Air Conditioner with Heat Pump, 3‑Zone Control, A++/A+ Efficiency, 360° Airflow, Includes 5 m Pipe Kit

Why We Love It

High cooling capacity.
Energy-efficient performance.
Smart WiFi control.

Main Highlights

Multi‑Zone Climate Control One outdoor unit powers two ceiling cassette indoor units (18,000 BTU + 12,000 BTU), managing up to three rooms with a single condenser, reducing installation and operating expense
Dual Cooling & Heating Capability Delivers total cooling and heating capacity of 13.1 kW via a super DC inverter compressor with heat‑pump functionality, ensuring year‑round comfort
Efficient 360° Airflow Cassette Design Ceiling cassette units distribute airflow evenly across 360°, ideal for rooms with limited ceiling space and high comfort coverage
Smart Wi‑Fi Control ＆ Smart Features Remote control, scheduling, and smart operation available via smartphone; includes Sleep Mode, 24‑hour timer, auto‑restart, and self‑diagnostics
Ultra‑Quiet Operation Designed for low‑noise environments, suitable for offices or living rooms with minimal audible disruption
PLEASE NOTE - These units contain a gas which is governed by F-Gas regulations. The gas must be handled by a qualified F-Gas personnel. 2 Year warranty is subject to commissioning by qualified F-Gas engineers. 5 Years extended parts warranty is subject to annual service. Further information on the requirements and ensuring the engineer is qualified can be found at GOV UK.

electriQ iQool 24,000 BTU Smart A++ Ceiling Cassette Air Conditioner with Heat Pump, 360° Airflow, R32 Inverter, Wi‑Fi “I Feel”, Dehumidify & Four‑Way Vents – Includes 5 m Pipe Kit

Why We Love It

Ultra energy efficient rating.
Perfect for commercial use.
360 degree air flow system.

Main Highlights

24,000 BTU / 7.1 kW Cooling Power Designed to efficiently climate-control spaces up to 60 m², ideal for large residential or commercial areas
360° Four‑Way Cassette Design Distributes airflow evenly throughout the space, fitting seamlessly into standard ceiling tiles
A++ Cooling / A+ Heating Efficiency Inverter technology ensures low operating costs and eco-friendly performance
Heat Pump with Frost Protection Provides heating down to –15 °C and auto‑defrost in cold conditions
Smart Wi‑Fi Control & “I Feel” Sensor Remote app access and presence-based temperature adjustment via the “Follow Me” sensor on the remote
PLEASE NOTE: These units contain a gas which is governed by F-Gas regulations. The gas must be handled by a qualified F-Gas personnel. 2 Year warranty is subject to commissioning by qualified F-Gas engineers. 5 Years extended parts warranty is subject to annual service. Further information on the requirements and ensuring the engineer is qualified can be found at GOV UK.

electriQ iQool 18,000 BTU Smart A++ Single Split Ceiling Cassette Air Conditioner with Heat Pump, 3‑in‑1 Cooling/Heating/Dehumidify, R32 Inverter, A++/A+ Efficiency – Includes 5 m Pipe Kit

Why We Love It

Ultra energy efficient performance.
Cools large commercial areas.
Innovative 360-degree airflow system.

Main Highlights

18,000 BTU Cooling & Heat‑Pump Heating Provides efficient climate control for spaces up to ~45 m², using advanced super‑DC technology
3‑in‑1 Functionality Switch effortlessly between cooling, heating, and dehumidifying modes for year‑round comfort
Exceptional Energy Efficiency Cooling rated A++, heating A+—greatly more efficient than electric heaters and cheaper to run
Smart Wi‑Fi & Voice Control Manage settings via smartphone app or voice assistant, schedule for energy savings, and access remotely
“I Feel” Follow‑Me Remote Sensor Temperature is sensed at the remote, not just at the ceiling unit—gives you precise personal comfort
Sleep Mode with Ultra‑Quiet Fan Automatically lowers fan noise and maintains comfort for 10 hours—ideal for overnight use
PLEASE NOTE: These units contain a gas which is governed by F-Gas regulations. The gas must be handled by a qualified F-Gas personnel. 2 Year warranty is subject to commissioning by qualified F-Gas engineers. 5 Years extended parts warranty is subject to annual service. Further information on the requirements and ensuring the engineer is qualified can be found at GOV UK.

Air Conditioning Unit,9000 BTU Portable Air Conditioner,4-In-1 Powerful Mobile Conditioners,Dehumidifier,Ventilation,Cooling Fan with Remote Control,24H Timer & Window Kit for Rooms Up to 269sq.ft

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Why We Love It

Powerful cooling for any space.
Convenient remote control functionality.
Compact design for easy mobility.

Main Highlights

❄️🏠【Portable Air Conditioning, Powerful Air Cooling】Benefiting from the advanced air compressor, the portable air conditioners have a cooling capacity of up to 9,000 BTU, lowering room temperature for rooms up to 269sq.ft. Adjust the room temperate to create coolness and comfort in your bedroom, living room, office, basement, or workplace.
❄️🏠【4-In-1 Multifunctional Air Conditioner Unit】To enhance your indoor air environment, we give two more roles to this air conditioner unit portable to play as a fan/dehumidifier. Drop the temperature to 16℃ when it gets hot, improve the indoor air circulation with two fan speeds, or dehumidify the indoor air to keep the humidity between 40% and 60%.
❄️🏠【Real-Time Display, Remote Control】Check the temperatures at a glance with a LED digital display showing the current temperature. A multi-function control panel and full-function remote control make your life more convenient; thus, you can easily set a timer, adjust the temperature value, and switch modes, whether getting close or far away.
❄️🏠【Compact Size, Hassle-Free Installation】Size: 38x38x87cm, Weight: 25 kg. Four casters at the bottom enable easy mobility, while the two side handles give you a grip on the device—a plug rest area on the back for easy storage and movement. Compatible with sliding window types. Adjust the window kit to fit different windows. Require no drilling.
❄️🏠【User-Friendly Considerate Design】A 24-hour timer of the ac unit portable allows you to set the auto on and off time. Prepare a cool room before you arrive home or help you save energy when it gets cool enough late at night. Have a nap during the daytime or sleep soundly at night under sleep mode when the LED light is dimmed, and noise is reduced.
❄️🏠【ACCESSORIES】- We have prepared :1 x Exhaust hose, 1 x Hose connector, 1 x Window kit adapter, 1 x Remote control, 1 x Window kit, 1 x Screw, 1 x Drain hose, 1 x User manual for you. these are the most equipment that you may need in air conditioner package.
❄️🏠【EXCELLENT AFTER-SALES SERVICE】- We provide 24×7 customer support to keep you away from after-sales worries. We will do our best to solve your problems, and you can purchase and experience with confidence.

SIP 5-in-1 Air Conditioner, Portable Air Conditioning Unit 14,000BTU, Dehumidifier, Heating/Cooling Function, Fan & Auto Mode with Digital Display, Remote Control & Window Kit Room Size Up To 27mtr³

Why We Love It

Five operating modes in one.
Even air distribution function.
Easy mobility and positioning.

Main Highlights

The SIP 5-in-Air Conditioner unit seamlessly combines the efficiency of a portable air conditioner and heater, ensuring year-round comfort in any room up to 27m³ with this aircon unit.
Featuring a robust 14,000BTU (cooling) / 10,000BTU (heating) output, this versatile air conditioning unit efficiently cools & heats spaces while functioning as a reliable dehumidifier air conditioner.
Designed for convenience, the mobile air conditioners come with an LED display and an easy-to-use remote control, allowing you to adjust settings from anywhere in the room.
The sleek digital display on this portable ac air conditioner offers intuitive control over its multiple modes: cooling fan, dehumidifier, heating, and regular fan mode.
Perfect for diverse environments, whether it’s in homes or small offices, the SIP aircon unit delivers efficient performance akin to larger ac units without compromising on portability.

Air Conditioning Unit Portable Air Conditioner 9000 BTU 4-in-1 Dehumidifier, Cooling Fan with 2 Speeds, Digital Display & Remote Control, Window Kit, 24 Hour Timer for Room Up to 269sq.ft

9% OffFree Shipping

Why We Love It

Powerful cooling efficiency.
Multifunctional climate control.
Eco-friendly operation.

Main Highlights

☃️【9000BTU Cooling Up to 269ft】Tired of sweltering summer days? Why not dive into refreshing cool air wherever you go with our compact cooling marvel. Our air conditioner is crafted with a cutting-edge air compressor, making itself an exquisite and compact cooling tool. Stay cool and cozy with our 9000 BTU air conditioner, a preferred companion cooling the rooms up to 269ft instantly. Start your unforgettable cooling journey in bedroom, living room, office or garage from now on.
4️⃣【4-in-1 Multiple Functions】KGOGO air conditioner is designed specially to improve indoor air and offer year-round comfort. Beat the heat with our versatile air conditioner boasting four modes tailored for your comfort. From chilling in air conditioner mode to enjoying gentle breezes or strong cool winds in fan mode, and maintaining optimal humidity at 40%-60% RH with the dehumidifier mode ( This mode only works when the temperature is above 15℃ or the humidity is below 85% . ), and enjoying a deep ultra-quiet childlike sleep with light off and lower noise under our sleep mode, our air conditioner has you covered.
🌛【Guard Your Tranquil Slumber】Enjoy whisper-quiet serenity with our ultra-quiet air conditioner. Our air conditioner is equipped with a high-quality air compressor and multi-layer cottons, serving as indispensable noise-reducing parts. Drift off into a tranquil slumber under sleep mode with light off and lower noise. Immerse yourself in a childlike sleep under our sleep mode's gentle hum below 60 DB, ensuring a ultra-quiet undisturbed rest every time.
🆒【Smooth Move & Effortless Assembly】This air conditioner is designed with two built-in handles and four 360° casters for room-to-room mobility effortlessly in bedroom, office or in the cabin around your home. We offer window kits that are compatible with most sliding windows, catering you an effortless installment without drilling. And our unique plug design behind simplifies storage and transportation of the air conditioner.
❄️【User-Friendly Design】Take control of your comfort with our 24h timer and versatile control options. Set your ideal temperature and mode effortlessly with our intuitive control panel or remote control. Choose startup and shutoff time to submerge yourself in cool air once getting into the room, greatly saving the energy. It is recommended to activate the child lock to keep little ones and pets safe from harm when the air conditioner is in operation. And with a washable air filter that can be washable and reused, maintenance for our air conditioner is a breeze. We recommend cleaning the air filter twice a month to ensure peak performance and cooling efficiency.
🛂【All-round Worry-free Service】We provide customer support to keep you away from after-sales worries. If you are not satisfied with KGOGO air conditioner or have any other questions, please feel free to contact us. Our after-sales service experts will reply to your information within 24 hours to solve your problems. You can purchase and experience with confidence.

Pro Breeze 4-in-1 Portable Air Conditioner 7000 BTU with Remote Control, 24 Hour Timer & Dual Window Venting Kit Included. Powerful Air Conditioning Unit with Class A Energy Efficiency Rating

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Why We Love It

Strong cooling power.
Easy digital control.
Energy-efficient operation.

Main Highlights

POWERFUL AIR CONDITIONER : This 7000 BTU air conditioner provides strong and effective cooling down to 15°C in small, medium and large homes, living rooms, bedrooms and offices.
DIGITAL DISPLAY & REMOTE CONTROL: The air conditioners easy-to-use digital LED display and wireless remote control allows you to have full control of all operating modes including auto, cooling and sleep as well the built-in 24 hour on/off timer and adjustable thermostat temperature control (in °C & °F).
ENERGY EFFICIENT AIR CONDITIONER: This A/C unit boasts a Class A Energy Efficiency rating to ensure that keeping you cool in the summer heat is cost effective. This air conditioner utilises an R290 refrigerant which is up to 690 times more eco-friendly than traditional air conditioning gasses. The advanced sleep mode keeps you cool whilst reducing overnight energy consumption.
WINDOW KITS INCLUDED: This Air Conditioner includes two easy-to-install window venting kits, allowing the AC unit to fit either slide or hinged windows using the step by step instructions provided. Its space-saving design also ensures minimal intrusion.
4-IN-1 FEATURES: This portable air conditioning unit features 4 multi-purpose operating modes including auto, air cooling, dehumidifying, fan only and energy saving sleep modes. Use the automatic oscillation mode to direct air flow across a wide are or in a precise direction.
PRO BREEZE – THE AIR COOLING EXPERTS: Explore the Pro Breeze cooling range which includes powerful 7000, 9000 and 12000BTU Air Conditioners, 5L and 10L Evaporative Coolers along with a vast range of innovative Tower and Pedestal Fans. Fancy a refreshingly cold drink? Search for the Pro Breeze Ice Maker!

Inventor Portable Air Conditioner Magic 4-1, Powerful 9000BTU Mobile AC, Dehumidifier, Cooling, 3 fan speeds Digital Display, Remote, Window Kit, 24 Hr Timer for 217ft[Energy Class A] (WEE/MM0449AA)

Why We Love It

Powerful cooling for comfortable spaces.
Real-time display enhances temperature control.
Three-in-one functionality for versatility.

Main Highlights

POWERFUL 9000BTU COOLING: Magic Portable Air Conditioner of 9,000 BTUs, delivers an instant cooling relief for your bedroom, living room or office place. The unit, delivers a max power of 9000BTU for areas that are ideally up to 217 square feet (20m2).
REAL-TIME DISPLAY & REMOTE CONTROL: Magic Mobile Air Conditioner includes a digital display indicating the current temperature, view in °F or °C. Its multi-functional control panel plus the remote control allows you to set time, adjust the temperature & switch between modes easily.
3-in-1 FUNCTIONS: Magic, integrates 3 convenient modes: cooling mode, to chill your room in hot weather conditions; fan mode to deliver either gentle or powerful air stream; dry mode to dehumidify the air and keep the room humidity from 40% to 60%.
PORTABLE & HASSLE-FREE INSTALLATION: Expandable exhaust hose that fits to any Standard Slider or Double Hung Window. The exhaust hose may be stretched out to 1.6 meters of length making the initial installation a breeze!
HUMANISED DESIGN: Space-saving design with easy-roll omnidirectional & durable casters that help you move your “Magic” around spaces.
CLIMATE-FRIENDLY REFRIGERANT: Unlike traditional air conditioners that emit harmful gases which affect the ozone layer, R290 refrigerant stands out for its very low global warming effect and with zero-ozone depletion potential, letting you enjoy the fresh and cool air while also been environmentally friendly.
WASHABLE AIR FILTER: To ensure clean, cool air, this AC unit includes a specially designed removable and reusable air filter that helps protect against dust and pet hair. For optimal performance and longevity, it's recommended to clean the filter every two weeks.
AIR COOLING EXPERTS: We stay connected with our customers through multiple communication channels, so you can purchase and enjoy your experience with confidence.

8.7

Excellent

We scanned 1761 products

We reviewed these offers relevant to the Ceiling Cassette Air Conditioners 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 Electriq, KGOGO, SIP, Pro Breeze, Inventor, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Ceiling Cassette Air Conditioners in the market, we considered we took a deep dive into 8806 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 electriQ iQool Multi‑Split 2×18,000 BTU + 12,000 BTU 3‑Zone Smart Ceiling Cassette Air Conditioner with Heat Pump, 360° Airflow, A++/A+ Inverter, Wi‑Fi & “I Feel”, Includes 5 m Pipe Kit. We love many things about this product by Electriq. What sets it apart from the competition is High cooling capacity: 42000 BTU. , Energy efficient, A++/A+ rating. , Smart WiFi control included.
The best value product for most shoppers and where user satisfaction is continuously the highest is electriQ iQool 36,000 BTU Smart A++ Ceiling Cassette Air Conditioner with Heat Pump, 3‑in‑1 Cooling/Heating/Dehumidify, 360° Airflow, R32 Inverter, Wi‑Fi “I Feel”, Includes 5 m Pipe Kit by Electriq based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Ceiling Cassette Air Conditioners and the best cost-to-value ratio is Air Conditioning Unit Portable Air Conditioner 9000 BTU 4-in-1 Dehumidifier, Cooling Fan with 2 Speeds, Digital Display & Remote Control, Window Kit, 24 Hour Timer for Room Up to 269sq.ftat KGOGO with a 9% discount.
Our list of the best Ceiling Cassette Air Conditioners 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.

10 Best Ceiling Cassette Air Conditioners in The UK

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We scanned 1761 products

We concluded that: