10 Best Split Unit Air Conditioner in The UK

Last updated on 04/07/2025

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Prem-I-Air 15000 BTU Inverter (Energy Saving Design) Mobile Portable Split Air Condoner with Remote Control, Timer, Dehumidifier and Fan. Quiet Operation for Use in Homes and Offices

Why We Love It

Impressive 15000 BTU cooling capacity.
Energy-saving inverter design.
Quiet, distraction-free operation.

Main Highlights

KEEP COOL WITH AN IMPRESSIVE 15000 BTU COOLING CAPCITY : Gives out a massive 15000 BTU of cooling to make those long hot days and nights a little more bearable.
INVERTER DESIGN AIR CONDITIONER: Can save between 30 and 50% of the energy used by conventional air conditioning units.
QUIET DESIGN: The split unit allows the condenser unit to be situated out of the cooling zone reducing the annoying noise associated with mobile air-conditioning allowing you to concentrate or get a good nights sleep.
DUAL CONTROLLED WITH TIMER FUNCTION: Can be fully controllable using the panel on the product or via the remote control.

12000 BTU Smart WiFi A++ Easy-fit DC Inverter Wall Split Air Conditioner with 5 Meters Pipe kit - Wall Mounted Air Conditioning Unit with 5 Years Warranty

Why We Love It

Eco-friendly with A+++ rating.
Ideal for both home, offices.
Offers cooling, heating, dehumidification.

Main Highlights

Extremely energy efficient with an A+++ rating
Perfect for use in the home or large offices
3-in-1: Cooling, heating and dehumidifying
EasyFit pre-gassed with 5 m pipe and cable kit supplied as standard
Really powerful but quiet in operation

Prem-i-air Eurom 2400BTU Split Air Conditioner For Use in Caravans, Campers, Motorhomes and RV for Economical Comfort Cooling

Why We Love It

Space-saving indoor and outdoor unit.
Energy-efficient for lower bills.
Quiet operation enhances comfort.

Main Highlights

SPACE EFFICIENCY – The split design allows the indoor unit to be mounted inside while the outdoor unit stays outside, saving valuable interior space in caravans or motorhomes.
ENERGY EFFICIENT – Designed for low energy consumption, these systems often achieve higher EER ratings compared to traditional portable units.
QUIET OPERATION – With the compressor located in the outdoor unit, interior noise is minimized, making for a more peaceful travel experience.
IMPROVED COOLING PERFORMANCE – Delivers better cooling than portable models, maintaining comfort even in hot weather conditions.
EASY INSTALLATION – Simple to set up with a front-facing digital control panel for convenient temperature and fan adjustments.
MODERN AESTHETICS – Sleek and stylish design enhances the look of any caravan or motorhome interior.
VERSATILITY – Suitable for a wide range of vehicles including caravans, motorhomes, RVs, and campers.

12000 BTU Air Conditioner Wall Split Wi Fi 5 In 1 Air Cooler Heater Dehumidifier Air Purifier Fan With Heat Pump Remote Control 3.4 kW A++ Rating 2 Pipes and Installation Kit Included

Why We Love It

Convenient remote control access.
Exceptional energy savings.
Multifunctional 5-in-1 unit.

Main Highlights

* 12000 BTU SUPER STRONG 600 M3/H AIR FLOW: More powerful and stronger than average 12000 BTU Units. Get more for your money with maximum air flow. It's designed with double the BTU rating for efficient cooling or heating of large areas, saving up to 60% on energy bills compared to non-inverter models. Plus, it's self-cleaning for long-term performance with minimal maintenance.
* 5 IN 1 FEATURES: Cooling, Heating, Fan, Air Purifier and Dehumidifier - Multiple options and modes with this complete all in one Unit. Save space and cost at the same time by not buying separate units to perform all these functions.
* EASY INSTALLATION: Our units are designed to reduce the installation time. The indoor and outdoor units are pre-gassed and sealed enabling the qualified fitter to easily install them. The indoor unit should be fitted to the wall. The condenser should be fixed on the ground or wall mounted on the outside of the wall. These units contain a gas which is governed by F-Gas regulations.
* TURBO FUNCTION: When you turn on this mode, air conditioning provides the most rapid cooling or heating, to create comfortable conditions in the shortest possible time.
* INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipes (2 pipes), 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included (electrical wire not included). Cost effective and convenient saving you time and money from spending extra purchasing additional parts.
* WI FI AND REMOTE CONTROL: Imagine controlling the temperature of your home or office from your smartphone, so you're greeted with a cozy room every time you arrive. Thanks to this latest air conditioner with built-in Wi-Fi, this is now a reality. Connect it to your home Wi-Fi and use your smartphone to monitor and manage temperature, fan speed, and more from anywhere. For example, you can set it to turn on later if you're working overtime, to help avoid unnecessary energy waste. You also have the added option to control it wirelessly through a remote control.
* DIGITAL POWER DISPLAY: Closely monitor the performance and temperature with the LED display on the indoor unit so you are fully aware at all times ensuring it is at the correct level and adjusting it wirelessly when necessary.

Split Unit Air Conditioning Motorhome Caravan Mestic SPA-3000

3% Off

Why We Love It

Versatile 3-in-1 functionality available.
Smart app control and night mode.
Splash protection for outdoor use.

Main Highlights

3-in-1 air conditioner, fan and dehumidifier. The modern design fits caravans up to 5m long. Universal attachment - easy to hang on the window
3 ventilation modes - can be controlled with the app. With night mode. Easy to read display
IPX4 splash protection against rain. Adjustable temperature: 16°C to 30°C. Noise level: 53 dB
Cooling capacity: 895W (3050BTU) Indoor unit dimensions (HxWxD): 44 x 37 x 20 cm. Outdoor unit dimensions (HxWxD): 45 x 31 x 20 cm. Air flow: 250-300 m³/h
Voltage: AC 230V Energy efficiency class: C. Coolant: R290 Weight: 22.5 kg

Senville LETO Series Wall Split Air Conditioner Heat Pump, Wall Mounted, 9000 BTU, Inverter, White

Why We Love It

All-season heating and cooling.
Stylish and powerful unit.
Comprehensive installation kit included.

Main Highlights

VERSATILE 4-IN-1 WALL SPLIT: Dive into an all-season solution with our wall split AC and heating system, featuring air conditioning, a robust heat pump (functional up to 5F/-15C), dehumidifier, fan, and an accelerated turbo function. Enjoy the reliability of a DC Inverter that's UL Listed, AHRI Certified.
STYLISH & FUNCTIONAL WALL SPLIT AC: Crafted for both home and business, this wall split air conditioner provides dynamic performance without compromising on aesthetics. Ideal for bedrooms, living areas, commercial spaces like stores, eateries, and warehouses.
COMPLETE INSTALLATION PACKAGE: Comes with an indoor air handler, outdoor condenser, intuitive remote control, and a comprehensive installation kit featuring a 16ft. line set and communication wire. Pre-loaded with R32 refrigerant catering up to 25 ft. A heads-up: This system mandates professional installation – it's not a DIY mini split AC.
TRUST WORTHY 5-YEAR WARRANTY: Your investment is safeguarded with our wall split heat pump's industry-leading warranty – 5 years on parts replacement and another 5 on the compressor. Benefit from the established quality of Senville, complemented by complimentary technical assistance. Labor not included.

12000 BTU Air Conditioner Wall Split Wi Fi 5 In 1 Air Cooler Heater Dehumidifier Air Purifier Fan With Heat Pump Remote Control 3.4 kW A++ Rating 2 Pipes and Installation Kit Included

Why We Love It

Powerful airflow saves energy costs.
Multi-functional with easy installation.
Wi-Fi and remote control.

Main Highlights

* 12000 BTU SUPER STRONG 600 M3/H AIR FLOW: More powerful and stronger than average 12000 BTU Units. Get more for your money with maximum air flow. It's designed with double the BTU rating for efficient cooling or heating of large areas, saving up to 60% on energy bills compared to non-inverter models. Plus, it's self-cleaning for long-term performance with minimal maintenance.
* 5 IN 1 FEATURES: Cooling, Heating, Fan, Air Purifier and Dehumidifier - Multiple options and modes with this complete all in one Unit. Save space and cost at the same time by not buying separate units to perform all these functions.
* EASY INSTALLATION: Our units are designed to reduce the installation time. The indoor and outdoor units are pre-gassed and sealed enabling the qualified fitter to easily install them. The indoor unit should be fitted to the wall. The condenser should be fixed on the ground or wall mounted on the outside of the wall. These units contain a gas which is governed by F-Gas regulations.
* TURBO FUNCTION: When you turn on this mode, air conditioning provides the most rapid cooling or heating, to create comfortable conditions in the shortest possible time.
* INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipes (2 pipes), 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included (electrical wire not included). Cost effective and convenient saving you time and money from spending extra purchasing additional parts.
* WI FI AND REMOTE CONTROL: Imagine controlling the temperature of your home or office from your smartphone, so you're greeted with a cozy room every time you arrive. Thanks to this latest air conditioner with built-in Wi-Fi, this is now a reality. Connect it to your home Wi-Fi and use your smartphone to monitor and manage temperature, fan speed, and more from anywhere. For example, you can set it to turn on later if you're working overtime, to help avoid unnecessary energy waste. You also have the added option to control it wirelessly through a remote control.
* DIGITAL POWER DISPLAY: Closely monitor the performance and temperature with the LED display on the indoor unit so you are fully aware at all times ensuring it is at the correct level and adjusting it wirelessly when necessary.

18000 BTU Air Conditioner Wall Split Wi Fi 5 In 1 Air Cooler Dehumidifier Heater Air Purifier Fan With Heat Pump Remote Control 5.1 kW A++ Rating Pipe and Installation Kit Included

Why We Love It

Complete temperature control via Wi-Fi.
Multifunctional unit saves space.
Pre-gassed for easy installation.

Main Highlights

INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipe, 1 x 3 meters electrical wires, 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included.
WI FI AND REMOTE CONTROL: Imagine controlling the temperature of your home or office from your smartphone, so you're greeted with a cozy room every time you arrive. Thanks to this latest air conditioner with built-in Wi-Fi, this is now a reality. Connect it to your home Wi-Fi and use your smartphone to monitor and manage temperature, fan speed, and more from anywhere. For example, you can set it to turn on later if you're working overtime, to help avoid unnecessary energy waste. You also have the added option to control it wirelessly through a remote control.
5 in 1 Cooling, Heating, Fan, Air Purifier and Dehumidifier - Multiple options and modes with this complete all in one Unit. Save space and cost at the same time by not buying separate units to perform all these functions.
18000 BTU: With Super strong 850 M3/h Air Flow this is more powerful and stronger than average 18000 BTU Units. Get more for your money with maximum air flow. It's designed with double the BTU rating for efficient cooling or heating of large areas, saving up to 60% on energy bills compared to non-inverter models. Plus, it's self-cleaning for long-term performance with minimal maintenance.
EASY INSTALLATION: Our units are designed to reduce the installation time. The indoor and outdoor units are pre-gassed and sealed enabling the qualified fitter to easily install them. The indoor unit should be fitted to the wall. The condenser should be fixed on the ground or wall mounted on the outside of the wall. These units contain a gas which is governed by F-Gas regulations.

18000 BTU Air Conditioner Wall Split Wi Fi 5 In 1 Air Cooler Heater Dehumidifier Air Purifier Fan With Heat Pump Remote Control 5.1 kW A++ Rating 2 Pipes and Installation Kit Included

Why We Love It

All-in-one unit saves space.
Wi-Fi control offers convenience.
Easy installation, minimal maintenance.

Main Highlights

* 5 IN 1 FEATURES: Cooling, Heating, Fan, Air Purifier and Dehumidifier - Multiple options and modes with this complete all in one Unit. Save space and cost at the same time by not buying separate units to perform all these functions.
* 18000 SUPER STRONG 850 M3/H AIR FLOW: More powerful and stronger than average 18000 BTU Units. Get more for your money with maximum air flow. It's designed with double the BTU rating for efficient cooling or heating of large areas, saving up to 60% on energy bills compared to non-inverter models. Plus, it's self-cleaning for long-term performance with minimal maintenance.
* WI FI AND REMOTE CONTROL: Imagine controlling the temperature of your home or office from your smartphone, so you're greeted with a cozy room every time you arrive. Thanks to this latest air conditioner with built-in Wi-Fi, this is now a reality. Connect it to your home Wi-Fi and use your smartphone to monitor and manage temperature, fan speed, and more from anywhere. For example, you can set it to turn on later if you're working overtime, to help avoid unnecessary energy waste. You also have the added option to control it wirelessly through a remote control.
* INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipes (2 pipes), 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included (electrical wire not included). Cost effective and convenient saving you time and money from spending extra purchasing additional parts.
* TURBO FUNCTION: When you turn on this mode, air conditioning provides the most rapid cooling or heating, to create comfortable conditions in the shortest possible time.
* EASY INSTALLATION: Our units are designed to reduce the installation time. The indoor and outdoor units are pre-gassed and sealed enabling the qualified fitter to easily install them. The indoor unit should be fitted to the wall. The condenser should be fixed on the ground or wall mounted on the outside of the wall. These units contain a gas which is governed by F-Gas regulations.
* DIGITAL POWER DISPLAY: Closely monitor the performance and temperature with the LED display on the indoor unit so you are fully aware at all times ensuring it is at the correct level and adjusting it wirelessly when necessary.

12000 BTU Air Conditioner Wall Split Wi Fi 5 In 1 Air Cooler Dehumidifier Heater Air Purifier Fan With Heat Pump Remote Control 3.5 kW A++ Rating Pipe and Installation Kit Included

Why We Love It

Includes comprehensive installation kit.
Smart home compatible.
Multifunctional and energy-efficient.

Main Highlights

INSTALLATION KIT INCLUDED: 1 set of 3 meters copper pipe, 1 x 3 meters electrical wires, 1 x 304 stainless steel outdoor wall bracket, 1 x 2 meters drain pipe and Remote Control are all included.
WI FI AND REMOTE CONTROL: Imagine controlling the temperature of your home or office from your smartphone, so you're greeted with a cozy room every time you arrive. Thanks to this latest air conditioner with built-in Wi-Fi, this is now a reality. Connect it to your home Wi-Fi and use your smartphone to monitor and manage temperature, fan speed, and more from anywhere. For example, you can set it to turn on later if you're working overtime, to help avoid unnecessary energy waste.
5 in 1 Cooling, Heating, Fan, Air Purifier and Dehumidifier - Multiple options and modes with this complete all in one Unit. Save space and cost at the same time by not buying separate units to perform all these functions.
12000 BTU: With Super strong 550 M3/h Air Flow this is more powerful and stronger than average 12000 BTU Units. Get more for your money with maximum air flow. It's designed with double the BTU rating for efficient cooling or heating of large areas, saving up to 60% on energy bills compared to non-inverter models. Plus, it's self-cleaning for long-term performance with minimal maintenance.
EASY INSTALLATION: Our units are designed to reduce the installation time. The indoor and outdoor units are pre-gassed and sealed enabling the qualified fitter to easily install them. The indoor unit should be fitted to the wall. The condenser should be fixed on the ground or wall mounted on the outside of the wall. These units contain a gas which is governed by F-Gas regulations.

8.8

Excellent

We scanned 818 products

We reviewed these offers relevant to the Split Unit Air Conditioner 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 Prem-i-air, Electriq, Generic, Mestic, Senville, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Split Unit Air Conditioner in the market, we considered we took a deep dive into 4091 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 Prem-I-Air 15000 BTU Inverter (Energy Saving Design) Mobile Portable Split Air Condoner with Remote Control, Timer, Dehumidifier and Fan. Quiet Operation for Use in Homes and Offices. We love many things about this product by Prem-i-air. What sets it apart from the competition is Impressive 15000 BTU cooling capacity, Energy-saving inverter design. , Quiet, distraction-free operation.
The best value product for most shoppers and where user satisfaction is continuously the highest is 12000 BTU Smart WiFi A++ Easy-fit DC Inverter Wall Split Air Conditioner with 5 Meters Pipe kit - Wall Mounted Air Conditioning Unit with 5 Years Warranty by Electriq based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Split Unit Air Conditioner and the best cost-to-value ratio is Split Unit Air Conditioning Motorhome Caravan Mestic SPA-3000at Mestic with a 3% discount.
Our list of the best Split Unit Air Conditioner 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 Split Unit Air Conditioner in The UK

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We scanned 818 products

We concluded that: