The best reversible wall-mounted air conditioners in the UK 2023

Sometimes it's hard to choose the right air conditioner for your home. Just consider this: if you have a unit that only cools your home, the winter season will be difficult. And if you only have a unit that warms your home, the summer season will be unbearable. So you need to choose an air conditioner that can cool and heat at the same time like the reversible wall air conditioner. Read our buying guide to find out more.

Airton - Reversible wall-mounted air conditioner pack ready to install 1
9/10

Editor's Choice

Airton - Reversible wall-mounted air conditioner pack ready to install

The best reversible wall air conditioner in 2021

Airton promises you a healthy indoor environment in your home with its ready-to-install reversible wall air conditioner. It is a model designed to be used in any season thanks to its capacity to diffuse hot and cold air on demand.

1 064 £ on Darty

For rooms up to 150 m2, the wall-mounted reversible air conditioner pack ready to install is to install yourself. It consists of a silent indoor part to be installed in your room and another part that can be placed outside. Installation and removal is very simple thanks to Airton's "Readyclim" technology, a refrigeration link system that does not require the intervention of a refrigeration specialist. If you have any difficulties, you can download the brand's installation guide to help you.

The device has a power of 5.27 kW, with a temperature control according to your expectations. This reversible wall-mounted air conditioner also comes with a Wifi module kit giving you the ability to control it from your smatphone or tablet. Download the "Smart Life - Smart Living" app in the App Store and Google Play Store to enjoy many more options with this remote control.

Kältebringer - Reversible split wall air conditioner 2
8/10

The best cheap reversible wall air conditioner

Kältebringer - Reversible split wall air conditioner

The best entry-level reversible wall air conditioner

In addition to its affordable price, the Kältebringer wall-mounted reversible air conditioner is an efficient device. It ensures the heating of your home during the winter and its cooling during the summer.

479 £ on Amazon

All year round, the Kältebringer split reversible wall air conditioner will provide you with comfort and well-being. It is equipped with an electronic temperature control system, and is a 4-in-1 equipment that will allow you to cool, heat, ventilate and dehumidify your home. With a power of 3,4 KW, it can offer an optimal coverage for a room of 55m2.

It is a split air conditioner, so you don't have to worry about the sound. It is also equipped with the "night mode" function that will allow you to enjoy a peaceful sleep without having to turn off your air conditioner at night. The air conditioner comes with a wall bracket and mounting hardware for easy installation, as well as a 5-meter insulated copper cable and a remote control to control it.

Remko - Reversible wall-mounted air conditioner, KWT 240 DC series 3
9/10

The best high-end

Remko - Reversible wall-mounted air conditioner, KWT 240 DC series

The best high-end reversible wall air conditioner

For thermal comfort in your home, the Remko wall-mounted air conditioner of KWT series offers two opposite functions: cooling the air in your home and also heating it.

1 878 £ on Darty

The Remko KWT series reversible wall-mounted air conditioner offers a power of 2,35 KW that can cover a surface of 40 min 2 s: this is the maximum surface it can cool or heat without producing any sound.

The air flow rate renewed by this reversible air conditioner is 400 m3/h. The temperature in cooling mode can be adjusted from -50 to +43°C and the temperature adjustment range in heating mode is from -10 to +24°C. It has an energy class A+, which confirms that it is a very economical equipment. This device does not need an outdoor unit, so the installation will be done smoothly with only two holes in the wall. Easy and fast.

Klarstein - Split Windwarker reversible wall air conditioner 4
7/10

The best value reversible wall air conditioner

Klarstein - Split Windwarker reversible wall air conditioner

The excellent reversible wall air conditioner

With its small footprint, the Klarstein Winderwarker Split Reversible Wall Air Conditioner offers two opposing functions at the same time that make it useful all year round. Easy to use, easy to install, it's really a great deal.

679 £ on Amazon

No matter what the weather, the Klarstein split reversible wall air conditioner works reliably in cooling and heating mode. You can set the temperature between 16 and 30°.

The equipment is separated into two units, outdoor and indoor. It can dehumidify, ventilate and heat your home with its many capabilities: a 7000 watt coolingcapacity , a7400 watt heating capacity and a 24,000 BTU/7 kW power output while being economical. This split air conditioner is equipped with a remote control that allows you to adjust the temperature, program the unit or easily choose among the different operating modes.

Buying guide • November 2023

Best reversible wall-mounted air conditioner

Any specific needs?

The best reversible wall air conditioner in 2021

The best entry-level reversible wall air conditioner

The best high-end reversible wall air conditioner

The excellent reversible wall air conditioner

Your guide : Samuel

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Comparison table of the best reversible wall-mounted air conditioners

THE BEST CHEAP TOP OF THE LINE ALTERNATIVE
Airton - Reversible wall-mounted air conditioner pack ready to install 5
9/10
Kältebringer - Reversible split wall air conditioner 6
8/10
Remko - Reversible wall-mounted air conditioner, KWT 240 DC series 7
9/10
Klarstein - Split Windwarker reversible wall air conditioner 8
7/10
OUR SELECTION
Airton - Reversible wall-mounted air conditioner pack ready to install
Kältebringer - Reversible split wall air conditioner
Remko - Reversible wall-mounted air conditioner, KWT 240 DC series
Klarstein - Split Windwarker reversible wall air conditioner
Airton promises you a healthy indoor environment in your home with its ready-to-install reversible wall air conditioner. It is a model designed to be used in any season thanks to its capacity to diffuse hot and cold air on demand.
In addition to its affordable price, the Kältebringer wall-mounted reversible air conditioner is an efficient device. It ensures the heating of your home during the winter and its cooling during the summer.
For thermal comfort in your home, the Remko wall-mounted air conditioner of KWT series offers two opposite functions: cooling the air in your home and also heating it.
With its small footprint, the Klarstein Winderwarker Split Reversible Wall Air Conditioner offers two opposing functions at the same time that make it useful all year round. Easy to use, easy to install, it's really a great deal.
Voltage
230 V
-
230 V
220 V
Coolant gas
R32
R32
R410A
R32
Power
5.27 KW
3.4 KW
2,35 KW
24000 BTU/7 kW
Energy class
A+
A ++
A+
A ++
For a surface of
60 m2 to 150 m2
55 m2
40 m2
70 m2 to 117 m2

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Buying guide - reversible wall-mounted air conditioner

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How to choose your reversible wall-mounted air conditioner

#1 - Fan speed

The fan circulates cooled or heated air through the room. Therefore, you need a model with a wide range of airflow and several fan speeds. The unit should be able to deliver a very high airflow to help the room cool quickly. Or on the contrary a very low flow rate, so that there is less noise and no unpleasant drafts once you have the right temperature.

#2 - Human presence sensor

This is a feature that detects the presence of a person in the room, and will allow the unit to operate. Some models even direct the air movement toward the detected person. When no one is detected in the room, the unit can switch to economy mode to reduce energy consumption.

#3 - Wi-Fi control and apps

You can connect your air conditioner with your home's wireless network. Many newer models have been designed for this. This is to help you operate your unit via an app on your smartphone from your office before you get home or as a replacement for your misplaced remote. In addition, there are several built-in features that will make it easier for you to control your air conditioner.

#4 - The size of your room

The choice of model depends on the area involved. We often want to cool only one room (a bedroom or an office for example). It is necessary to use adapted and sufficiently powerful equipment, according to the volume of air to be ventilated.

#5 - Noise level

All the ranges of products are not equal in terms of noise. An air conditioner that is too noisy is very unpleasant and can prevent you from sleeping or distract you if it is placed in an office. So you need to choose one that optimizes your comfort.

How do I maintain a reversible air conditioner?

To keep the unit running efficiently throughout its years of service, you should never neglect the necessary maintenance. The maintenance criteria to consider are: filters, coils and fins of the air conditioner.

  • For the filters: Regular replacement or cleaning ensures the efficiency of this element. A clogged and/or dirty filter reduces airflow and decreases the efficiency of the system. When airflow is obstructed, air can bypass the filter and deposit dirt directly into the evaporator coil, impairing the coil's ability to absorb heat. Replacing a dirty, clogged filter with a clean one will reduce your air conditioner's energy consumption by 5 to 15 percent.
  • For coils: The air conditioner's evaporator coil and condenser coil collect dirt over months and years of service. A clean filter keeps the evaporator coil from getting dirty quickly. Over time, however, the evaporator coil will still collect dirt. This dirt reduces airflow and insulates the coil, reducing its ability to absorb heat. To avoid this problem, check your evaporator coil annually and clean it if necessary.
  • For the fins: The aluminum fins on the evaporator and condenser coils bend easily and can block airflow through the coil. Air conditioning wholesalers sell a tool called a fin comb that will restore these fins to near original condition.

Not to be overlooked!

When your air conditioner needs more than regular maintenance, such as when it is not reducing the indoor temperature to a comfortable level, hire a professional service technician. Having been well-trained to take care of your unit, he will find and solve your air conditioning system's problems in record time and without damage.

The different types of reversible wall-mounted air conditioners

Wall-mounted reversible air conditioner

It is a reversible air conditioner consisting of a single unit that will be placed on a wall at a high level. This type of reversible air conditioner is ideal for small spaces such as bedrooms, living rooms, offices, etc. The wall-mounted packaged air conditioner should be installed in a position that can supply the room with a uniform air flow. These packaged air conditioners are exceptionally quiet and most people can sleep quite comfortably with the unit on.

Wall-mounted reversible split air conditioner

A split reversible air conditioner consists of one indoor unit (monosplit) or multiple indoor units (multisplit) and an outdoor unit. The monosplit is composed of a fan to circulate cold or hot air in the room and an evaporator that captures the calories of the hot air and then rejects them outside in cooling mode. The outdoor unit consists of the compressor, the expansion valve and the condenser. The split air conditioner is even quieter than the monobloc air conditioner.

Reversible air conditioner or inverter air conditioner?

Reversible air conditioner

More usually called "air-to-air heat pump", the reversible air conditioner is the device that heats your interior in winter and cools it in summer. It is composed of an exterior and interior element. This automates the change between hot and cold. This automation is achieved by controlling the outside and inside temperature. By this, when the outdoor temperature decreases, the outdoor unit absorbs the heat from the air and releases it inside the room to warm it up. And when the outdoor temperature rises, the indoor unit absorbs the heat inside the room and sends it outside. This is the principle of the heat pump.

Inverter air conditioner

Once a room is cold, inverter air conditioners reduce the speed of the compressor motor to save the energy and refrigerant needed to cool the air. In comparison, motors without an inverter only run at full speed and then shut off when the room temperature reaches the desired temperature. This makes the air conditioner more energy efficient, so it has a low global warming potential and produces far fewer harmful emissions.

Verdict

At first glance, the inverter air conditioner seems very good as a whole, however, there is a particular reason in the design of the reversible wall air conditioner, it is that it is specially dedicated to heat the interior of a small room. It does not take up too much space and is as efficient as an inverter air conditioner, while being less expensive, so it is up to you to make your choice.

The advantages of using a reversible wall-mounted air conditioner

The reversible air conditioner is the most common model of air conditioner installed in a home or office. The reason is that it is able to heat and cool at the same time one or more rooms without taking up too much space while providing real thermal comfort. But these are not the reasons, here are 5 that will encourage you even more:

1- A device that is the all-in-one solution:

The reversible air conditioner is the device that combines the advantages of a heat pump and air conditioning. By this, it offers the functions of cooling and heating to adapt to the different seasons. In addition, this device also allows a gain of space combined with a comfort and a real energy saving.

2- An energy saving device:

Recent research and development in reversible air conditioner technology has made this device very efficient. It can regulate the heat to reach the desired temperature. You can also select the specific temperature you want with it. And the most important thing is that it can save up to 50% of its usual consumption. In fact, in winter, you will be able to save 30% to 50% of savings in winter, allowing you to finance your air conditioning needs.

3- An appliance that offers comfort:

As it is an appliance designed with new technologies, the reversible air conditioner is an appliance that has undergone great evolution. It is one of those 2 in 1 devices that offer you a big budget saving, a space saving in your home, an energy saving and a heat regulator to the tenths of degree to optimize your living comfort. And most importantly, it also absorbs humidity in your room and cleans the air in your home.

4- An environmentally friendly device:

The designers of air conditioners are bound by the NF EN 378 standard in the manufacture of air conditioners. By this, they are required to design appliances that respect the environment. They are therefore obliged to make constant improvements in the nature of the refrigerant included in the equipment.

5- An appliance with a pleasant design:

As a 2-in-1 unit, the design of this air conditioner was made to match the interior style of your home. It's a compact unit, often with a sleek design. It is also lightweight, easy to move and easy to handle. It is also designed to take up as little space as possible.

The best brands of reversible wall-mounted air conditioners

In our opinion, the best brands of reversible wall-mounted air conditioners in 2022 are :

Remko
Klarstein
Airton
Mitsubishi
Daikin

Remko is a company that operates throughout Europe. It is specialized in warm air heating, dehumidifiers, air conditioning systems and room air conditioners as well as innovative heat pumps. This brand is reliable and efficient.

Klarstein is a German brand best known in kitchen appliances. It is an innovative brand that offers futuristic appliances with a very good quality/price ratio. Currently, it presents air conditioning, electric radiator, extractor hood, etc.

This French brand is specialized in the design and sale of reversible air conditioner easy to install, efficient and at reasonable prices. It is still young in the field, but it does not compromise on quality, hence the trust its consumers place in it.

This Japanese brand reference in the automotive sector is currently among the brands known for the quality and performance of its electrical, electronic and household appliances. Currently its reversible air conditioners are ranked among the best on the market and in customer surveys of comparisons.

This Japanese brand is one of the competing brands of Mitsubishi. It is specialized in cooling system appliances by developing its own refrigerant such as reversible air conditioners. This brand has been in the business since 1958.

What is the price for a reversible wall-mounted air conditioner

The diagram below will help you to get an idea of the typical prices for each price range (entry-level, mid-range and high-end).

However, more expensive does not necessarily mean better.

We therefore advise you to always consult our ranking before deciding, rather than blindly relying on price ranges.

Entry-level
500 £ to 1000 £
Mid-range
1000 £ to 1500 £
High-end
more than 1500 £
Price range diagram

Tips

Maintain your wall-mounted reversible air conditioner regularly

This step is imperative to ensure that the unit remains efficient and effective throughout its years of operation. By doing so, you need to remember the basics such as: turn off your air conditioning unit, remove the plastic cover of the indoor unit of your air conditioning system, carefully remove the filter. In order to prevent dust from spreading everywhere, you should not shake the filter. Wash the filter with cold soap and water, carefully removing any debris. Dry the filter thoroughly before putting it back in the unit and do not leave any dirt debris. Replace the filter properly and close the indoor unit cover.

Always check the filter first

Has your air conditioner suddenly stopped blowing cold air? Perhaps you hear an unusual sound coming from your system or your air conditioner stops working for a few moments at a time. All of the problems mentioned are often due to a dirty filter, which is a very common air conditioning problem. Hence the reason to always check the filter first.

Before you touch your wall-mounted reversible air conditioner, think of your safety first

Turn off the circuit breaker before working on your air conditioning system. Be sure to turn off the power to the condenser at the service panel before working on your air conditioner. The condenser typically has a 240-volt waterproof disconnect box located near the unit. This contains a lever, fuses or circuit breaker to shut off the condenser. Be sure to disable this option as well.

Check the coolant lines regularly

Refrigerant tubing or hoses run from the evaporator of your air conditioner on the air handler to the condenser outside. These pipes are usually covered with foam insulation to conduct the coolant. Check for areas where the insulation is frayed or missing. If so, replace it with new foam insulation sleeves.

Test your wall-mounted reversible air conditioner after cleaning

After allowing the unit to dry completely, you should test your unit to see if everything is Ok or not after cleaning. You will need to power up your condenser unit again. If you notice anything abnormal, you should call a professional technician immediately.

FAQ

How do you install a wall-mounted reversible air conditioner?

To get an efficient wall-mounted reversible air conditioning unit, you need to hire a professional technician. On the other hand, if you want to do it yourself, you have to keep the basic installations like: find the future location of the air conditioning, install the indoor unit and the outdoor unit of the reversible air conditioning and finally, start the testing phase.

Who can install a reversible air conditioner?

The most suitable person to install a reversible air conditioning or air/air heat pump is the qualified and certified installer. He has been trained to know all the installation techniques of these types of units. This will also save you time and money in case of malfunction due to installation.

Are wall-mounted reversible air conditioners noisy? What kind of maintenance does a wall-mounted reversible air conditioner need?

Older models were certainly noisy, and some cheaper air conditioners may emit noise. But today, manufacturers are much more concerned about the noise level of their products. So you can easily find a wall-mounted reversible air conditioner with a comfortable sound level on the market, especially units with a sound level of less than 30 dB.

You may need to clean and/or replace the air filter from time to time, but other than that, wall-mounted reversible air conditioners require little maintenance. We advise homeowners to occasionally clean the evaporator and condenser coils and straighten curved fins with a fin comb.

Sources

Note: Below are some of the sources we have consulted in writing this article. Links to other sites are not continuously updated. It is therefore possible that a link may not be found. Please use a search engine to find the desired information. See more

Updates

March 2022 : Translation of this buying guide from our partner meilleurtest.fr

See more
Our selection
Airton - Reversible wall-mounted air conditioner pack ready to install 9
Airton - Reversible wall-mounted air conditioner pack ready to install
Kältebringer - Reversible split wall air conditioner 10
Kältebringer - Reversible split wall air conditioner
Remko - Reversible wall-mounted air conditioner, KWT 240 DC series 11
Remko - Reversible wall-mounted air conditioner, KWT 240 DC series
Klarstein - Split Windwarker reversible wall air conditioner 12
Klarstein - Split Windwarker reversible wall air conditioner

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