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Best Air Conditioning for Living Rooms: Powerful Units for Large Spaces

Best Air Conditioning for Living Rooms: Powerful Units for Large Spaces

Ewan Davies |

Living rooms are often the hardest spaces in a home to cool properly. They are larger, more open, and tend to get warmer due to sunlight, appliances and daily use.

Choosing the right system is not just about cooling power. It is about airflow, efficiency and consistency across a bigger space.

If you are starting your search, browsing air conditioning units will give you a full view of the systems available for larger rooms.

Why living rooms need more powerful systems

Unlike bedrooms or offices, living rooms often have:

  • Larger floor areas
  • Higher ceilings
  • Open plan layouts
  • More people in the space
  • More heat from TVs, lighting and cooking

All of this means small or underpowered systems struggle to keep up.

Portable units may work in smaller rooms, but for living spaces they often lack the power needed for consistent cooling.

Best system types for living rooms

Before choosing a specific model, it helps to understand which system types actually work in larger spaces.

Wall mounted air conditioning units

Wall mounted systems are the most popular option for living rooms.

They are installed high on the wall and distribute air evenly across the space. Modern units are powerful, efficient and designed to operate quietly even in larger rooms.

If you want a reliable all round solution, explore wall mounted air conditioning units.

Multi split systems

For open plan homes or connected spaces, multi split systems are often the best choice.

They allow multiple indoor units to connect to one outdoor unit, giving you control across different areas of the home.

This is ideal if your living room flows into a kitchen or dining space.

You can compare options in multi split air conditioning systems.

Portable air conditioners

Portable units can still be used in living rooms, but they are usually a compromise.

They are easier to set up but tend to be less powerful, noisier and less efficient. In larger rooms, they may struggle to maintain a consistent temperature.

If you are considering this route, it is worth reading portable air conditioning units to understand the limitations.

What size system do you need?

Sizing is one of the most important factors when choosing air conditioning for a living room.

A system that is too small will constantly run without properly cooling the space. A system that is too large may cycle inefficiently.

As a general guide:

  • Small living room: 2.5kW to 3.5kW
  • Medium living room: 3.5kW to 5kW
  • Large or open plan: 5kW to 7kW+

Other factors like insulation, ceiling height and window size will also affect the final requirement.

Cooling performance and airflow

In larger spaces, airflow matters just as much as raw power.

Look for systems that offer:

  • Wide air distribution
  • Adjustable fan speeds
  • Smart airflow control
  • Consistent temperature regulation

Wall mounted systems are designed to push air across the room, rather than just cooling the immediate area.

Noise levels in living spaces

Living rooms are used for relaxing, watching TV and socialising, so noise levels are important.

Modern fixed systems are designed to run quietly, often much quieter than portable units.

If noise is a concern, it is worth prioritising a high quality wall mounted system over a portable alternative.

Energy efficiency and running costs

Larger rooms naturally require more energy to cool, but modern systems are built to be efficient.

Inverter technology allows systems to maintain temperature without constantly switching on and off, reducing energy usage over time.

Choosing the right size system is key to keeping running costs under control.

Heating as well as cooling

Most modern air conditioning systems also provide heating.

This makes them a useful year round solution for living rooms, especially during colder months when central heating alone may not be enough.

If you want a system that works across all seasons, it is worth factoring this into your decision.

Portable vs fixed systems for living rooms

Portable units offer convenience, but they come with limitations in power, noise and efficiency.

Fixed systems require installation but deliver significantly better performance and long term value.

For most living rooms, especially medium to large spaces, a fixed system is the better investment.

Which system should you choose?

If you have a small living room and need a temporary solution, a portable unit may be enough.

For most homes, a wall mounted system offers the best balance of power, efficiency and comfort.

For larger or open plan spaces, a multi split system provides greater flexibility and control.

If you want to explore all options and compare systems, browsing air conditioning units is the best place to start.


Single Split Systems for Living Rooms

LG Artcool Gallery Premium System

Unique design that Cools & Heats
Why buy this
  • Art & Function in One: Customizable digital display lets you showcase personal photos, artwork. or videos.
  • Powerful & Silent Cooling: Dual Inverter Compressor ensures fast, efficient, and ultra-quiet operation.
  • Smart Control Anywhere: Manage settings via LG ThinQâ„¢ App, voice commands (Google & Alexa), or remote.
  • Cleaner, Healthier Air: Multi-stage filtration removes dust, allergens, and bacteria.
  • Energy-Efficient & Eco-Friendly: Saves power while delivering superior performance.

SAVE £514.00 £428.33
High Street: £2,055.99 High Street: £1,713.33
Our Price:
£1,541.99 Inc. VAT £1,284.99 Exc. VAT
In stock

LG Artcool Gallery Special System

Unique design that Cools & Heats
Why buy this
  • Design That Doubles as Décor: Stylish picture frame front lets you display personal photos or artwork, blending seamlessly into any modern interior.
  • Smart, Self-Learning Comfort: AI-powered operation adapts to your habits and environment for effortless, optimized climate control.
  • Quiet Yet Powerful: Ultra-quiet performance (as low as 19dB) with fast, efficient cooling thanks to the Dual Inverter Compressor.
  • Healthier Indoor Air: Plasmasterâ„¢ Ionizer+ actively removes airborne bacteria, viruses, and allergens for a cleaner, fresher space.
  • Total Convenience: Control from anywhere using LG ThinQâ„¢ app or voice assistants like Google Assistant and Alexa.

SAVE £263.00 £219.17
High Street: £1,619.99 High Street: £1,349.99
Our Price:
£1,356.99 Inc. VAT £1,130.83 Exc. VAT
In stock

LUX AIR Air Con Heat Pump Inverter System - 3.5kW (12000Btu)

FGAS commission required
1 review
Why buy this
  • Easy Installation: Includes all essentials for quick setup.
  • Tailored Comfort: Adjustable speeds, 4D airflow, and quiet operation.
  • Smart Control: Wi-Fi and voice-enabled via Alexa and Google Home.
  • Clean & Cool Air: AC with UV-C lamp and 3-in-1 filters.
  • Eco-Friendly: Energy-saving with ozone-safe R32 refrigerant.

SAVE £49.00 £40.83
High Street: £587.99 High Street: £489.99
Our Price:
£538.99 Inc. VAT £449.16 Exc. VAT
In stock