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Updated: August 21, 2024

Looking for the perfect cooling solution to combat the unpredictable British summer heat? Look no further! In our latest blog post, we’re here to guide you through finding the best air conditioner for your UK home.

Whether you’re seeking relief from the rare but sweltering heatwaves or simply aiming to maintain a comfortable indoor temperature, our expert recommendations and insights will help you navigate the world of air conditioners tailored specifically for homes in the UK. Say goodbye to sweating it out during those rare scorching days with our help.

Types of Air Conditioners for UK Homes

1- Split-System Air Conditioners

A split-system air conditioner is a type of air conditioning system that consists of two main units: the indoor unit and the outdoor unit. These systems are typically used for cooling individual rooms or specific areas within a building.

The indoor unit of a split air conditioner consist of:

  • Evaporator Coil: This coil absorbs heat from the indoor air.
  • Blower/Fan: It circulates the cooled air throughout the room.
  • Air Filter: Filters out dust and other particles from the air.
  • Thermostat/Control System: Allows users to set and adjust the temperature.

The outdoor unit consist of:

  • Compressor: Compresses the refrigerant and pumps it through the system.
  • Condenser Coil: Releases the absorbed heat from the indoor unit to the outside air.
  • Fan: Helps dissipate the heat from the condenser coil.
  • Expansion Valve: Regulates the flow of refrigerant into the evaporator coil.

What are the advantages of a split air conditioner?

Efficiency: Split systems are known to be more energy-efficient than other types of air conditioners.

Quiet Operation: The noisier components, like the compressor, are located outside. As a result, you will have a quieter operation indoors.

Flexibility: These systems can be used for cooling individual rooms or spaces, allowing for more precise temperature control.

Aesthetics: The indoor units often have sleek design and can be mounted on walls or ceilings, making them less obtrusive to their surroundings. 

2- Multi-Split Air Conditioners

Multi-split air conditioners are an advanced version of split-system air conditioners. They operate on a similar principle but are designed to cool multiple rooms or areas within a building using a single outdoor unit connected to multiple indoor units

The indoor unit of a Multi-split air conditioner consists of:

  • Evaporator Coil: Absorbs heat from the indoor air.
  • Blower/Fan: Circulates the cooled air throughout the room.
  • Air Filter: Filters out dust and other particles from the air.
  • Thermostat/Control System: Allows users to set and adjust the temperature individually for each indoor unit.

The outdoor unit of a Multi-split air conditioner consists of:

  • Compressor: Compresses and circulates the refrigerant through the system.
  • Condenser Coil: Releases heat absorbed from indoor units to the outside air.
  • Fan: Helps dissipate the heat from the condenser coil.
  • Expansion Valve: Controls the flow of refrigerant to multiple indoor units.

What are the advantages of Multi-Split Air Conditioners?

Efficiency: Using a single outdoor unit for multiple indoor units can be more energy-efficient than having several individual split systems.

Flexibility: Multiple indoor units can be controlled independently, allowing for different temperature settings in each room or area.

Quiet Operation: The noisier components, like the compressor, are located outside, resulting in quieter operation indoors.

Space-Saving: One outdoor unit serves multiple indoor units, reducing the need for multiple outdoor units and saving space.

Aesthetics: Indoor units are sleek and can be mounted on walls or ceilings, minimizing their visual impact.

3- Portable Air Conditioners

Portable air conditioners are standalone cooling units designed to cool individual rooms or small spaces. They are known for their mobility, as they can be moved from room to room as needed.

A Portable Air Conditioner consists of:

  • Compressor: Compresses the refrigerant and circulates it through the system.
  • Evaporator Coil: Absorbs heat from the indoor air, cooling it down.
  • Condenser Coil: Releases the absorbed heat to the outside air.
  • Fan: Blows the cooled air into the room and helps dissipate heat through the condenser coil.
  • Exhaust Hose: Vents hot air out of the room, usually through a window or an opening.
  • Drain System: Collects and removes condensation produced during the cooling process, either through a built-in tank or a continuous drain option.
  • Control Panel: Allows users to set the desired temperature, fan speed, and operational modes.

What are the advantages of Portable Air Conditioners?

Ease of Installation: No permanent installation required; typically involves just setting up the exhaust hose and plugging in the unit.

Mobility: Easily moved from room to room as needed, providing flexible cooling solutions.

Versatility: Can be used in various settings, including homes, offices, and temporary locations.

Space-Saving: Compact design makes them suitable for small spaces.

Panasonic air conditioner Review

Key Factors to Consider When Choosing an Air Conditioner

When choosing an air conditioner you should consider the following:

Type of Air Conditioner

There are different types of air conditioners available such as: split, multi-split, portable and window units.

Cooling Capacity (BTU Rating)

You can do this by matching BTU rating to room size.

Room sizeRequired BTU Rating
150-250 sq. ft.5,000-6,000 BTUs
250-350 sq. ft.7,000-8,000 BTUs
350-450 sq. ft.9,000-10,000 BTUs
450-550 sq. ft.12,000 BTUs

Energy Efficiency

Higher EER, SEER and an Energy Star Rating indicate high energy efficiency.

Installation Requirements

Each unit will have different installation method and location:

Window Units: Easy to install but blocks window views.

Split Systems: Requires professional installation.

Portable Units: Simple setup with an exhaust hose.

Central Air Conditioning: Requires ductwork and professional installation.

Room Size and Layout

Measure the room’s square footage.

Noise Levels

Check the unit’s decibel (dB) rating. Quieter units typically have lower dB ratings.

Features and Controls

These include: thermostat, fan speeds, modes, remote control and Wi-Fi connectivity.

Maintenance and Cleaning

Check if the filters are easy to access and clean.

Cost

Check for initial purchase price, installation costs, operating costs and maintenance and potential repair costs.

Brand and Warranty

Consider reputable brands known for reliability as well as the warranty period and what it covers.

Aesthetics and Design

Choose a design that fits well with your room’s decor.

Environmental Impact

Units using eco-friendly refrigerants (e.g., R-410A or R-32). Energy-efficient models reduce overall environmental impact.

Read more about: Factors to Consider When choosing your boiler in Cardiff

Wall-Mounted Air Conditioning

Importance of professional installation for your Air Conditioner

Professional installation of an air conditioner is important in order to ensure that the system operates efficiently, safely, and reliably. It protects your investment, maintains warranty coverage, and provides peace of mind through expert installation and support.

How much does an air conditioner cost in the UK?

Air Conditioner TypePossible Cost
Portable Air Conditioners£200 – £600
Window Air Conditioners£300 – £700
Split-System Air Conditioners£800 – £4,000+ (including installation)
Multi-Split Air Conditioners£2,000 – £8,000+ (including installation)
Central Air Conditioning Systems£3,500 – £12,000+ (including installation)
Ductless Mini-Split Systems£1,300 – £5,000+ (including installation)

What is the best AC brand in the UK?

Choosing the “best” air conditioning brand can depend on various factors, including performance, energy efficiency, reliability, and customer service. Here are some of the top AC brands in the UK:

1- Daikin

Reputation

Daikin is known for its high-quality, energy-efficient air conditioning systems.

Products 

Offers a wide range of products, including split systems, multi-split systems, and central air conditioning units.

Key Features 

Advanced technology, high energy efficiency, quiet operation, and reliable performance.

2- Mitsubishi Electric

Reputation

Renowned for its durable and efficient air conditioning systems.

Products

Provides a variety of systems, including wall-mounted, ceiling-mounted, and ducted systems.

Key Features

High energy efficiency, innovative technology, and excellent customer support.

3- Panasonic

Reputation

Known for producing reliable and energy-efficient air conditioning systems.

Products

Offers split systems, multi-split systems, and ducted systems.

Key Features

Advanced air purification technology, high energy efficiency, and eco-friendly refrigerants.

4- LG

Reputation

LG is popular for its innovative and stylish air conditioning units.

Products

Provides a wide range of residential and commercial air conditioning systems.

Key Features

Smart technology, energy efficiency, and sleek design.

5-Hitachi

Reputation

Hitachi is recognized for its robust and energy-efficient air conditioning solutions.

Products

Offers split systems, multi-split systems, and VRF (Variable Refrigerant Flow) systems.

Key Features

High energy efficiency, reliability, and advanced technology.

6-Fujitsu

Reputation

Fujitsu is known for its reliable and efficient air conditioning systems.

Products

Provides a range of products, including split systems, multi-split systems, and VRF systems.

Key Features

Energy efficiency, quiet operation, and advanced technology.

Reputation

Samsung is known for its innovative and high-performance air conditioning systems.

Products

Offers split systems, multi-split systems, and ducted systems.

Key Features

Smart technology, energy efficiency, and stylish design.

7- Toshiba

Reputation

Toshiba is respected for its energy-efficient and reliable air conditioning systems.

Products

Provides split systems, multi-split systems, and VRF systems.

Key Features

High energy efficiency, reliable performance, and advanced technology.

How to clean an air conditioner

Cleaning your air conditioner is essential for maintaining its efficiency, prolonging its lifespan, and ensuring good air quality. It is recommended that you let a professional clean your AC unit in order to avoid any damages that might take place during the cleaning process when you do it yourself.

Cleaning a Window or Portable Air Conditioner

1. Turn Off and Unplug the Unit

2. Remove and Clean the Filter

3. Clean the Coils

4. Clean the Fins

5. Clean the Drainage Area

6. Reassemble the Unit

Cleaning a Split-System or Multi-Split Air Conditioner

1. Turn Off the Power

2. Clean the Indoor Unit

3. Clean the Outdoor Unit

4. Reassemble and Test

Split Air Conditioning

How much does it cost to install an air conditioner?

Air Conditioner TypePossible Installation Cost 
Window Air Conditioners£50 – £150
Split-System Air Conditioners£300 – £1,500
Multi-Split Air Conditioners£1,000 – £3,000
Central Air Conditioning Systems£1,500 – £5,000
Ductless Mini-Split Systems£500 – £2,000

FAQs

re air conditioners eco-friendly?

While traditional air conditioners have significant environmental impacts, modern advancements have made it possible to choose more eco-friendly options. By focusing on energy efficiency, using low-GWP refrigerants, integrating renewable energy, and utilizing smart technology, it’s possible to reduce the environmental footprint of air conditioning systems.

Can I install a split-system air conditioner myself?

Installing a split-system air conditioner typically requires professional expertise due to the complexity and safety considerations involved. Their expertise ensures safe, efficient installation and compliance with regulations.

What are some alternatives to air conditioning?

There are several alternatives to traditional air conditioning that can help cool your space while potentially reducing energy consumption and environmental impact such as:
Heat Pumps
Ductless Mini-Split Systems
Natural Ventilation
Fans