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The Ultimate Guide To Air Conditioner Installation

air conditioner installation

As the temperature rises through the roof in the course of the rising summer, an efficient air conditioning system is a necessity that cannot be ignored. The availability of wall air conditioners has been common due to efficiency and less space units taken.

In this article, we are going to discuss about the wall air conditioner and some overviews of it, and you will get to know why it is the best to choose a wall air conditioner among the other types of air conditioners that are available in the market.

Are you willing to improve the climate in your house during the hot summer? Let me introduce the simplest and most effective solution – a wall-mounted air conditioning. Call South London Heating for seamless and quick installation.

“Whether you wish to install heaters or air conditioners, South London Heating can help you with hassle-free installation”

Call us at 020 3620 5800 or send us an email at hello@southlondonheating.co.uk, and we will get back to you as soon as possible.

Why You Should Install Wall Air Conditioner

Wall air conditioners offer several benefits, some of them are:

Space-Saving Design

They do not require as much space as portable air conditioners or huge central AC units, as in, they are fitted to the wall.

Energy Efficiency

Modern wall air conditioners are eco-friendly, and this efficiency will help in cutting on the electricity bills.

Direct Cooling

These units cool the air individually, and thus are excellent for use in rooms that require cooling from one specific area.

Pre-Installation Considerations

Before diving into the installation process, there are a few important factors to consider:

1. Selecting the Right Unit

It is essential to select the right unit because it can influence the outcome. Take time to learn about the size of the room to be heated or cooled and the correct BTU (British Thermal Unit) of the possible systems. This means the higher the rating of BTU in the ton, the more capability the ton has to cool.

In a general square and open design in the region of Forest Hill, an air conditioner of between five thousand-five thousand and twelve thousand BTUs will be adequate.

2. Electrical Requirements

Check that your electrical system can take the additional load that will be brought in by additional power consumption. In the majority of cases, a wall-mounted air conditioner needs a separate circuit to operate. Ensure that the unit is right for the electrical circuit by comparing the voltage and amperage specifications with the circuit rating, seeking an electrician’s advice if necessary.

3. Location and Placement

When choosing a location for the wall air conditioner, the place that offers good air circulation should be selected. It is recommended to install the units in regions that do not have direct sunlight exposure or any form of obstructive structure. It is preferred that the height of installation should provide sufficient CFM to ensure that the cold air circulates throughout the room.

Step-by-Step Installation Guide for Wall Air Conditioners

Here is a step-by-step installation guide for your wall-mounted air conditioner:

1. Prepare the Wall

First, begin by measuring the area where the unit will be installed and take the mandatory marks. Make sure that the markings are included and parallel to each other. Make a hole in the wall using the manufacturer's air conditioner dimensions.

2. Install the Wall Sleeve

Many wall air conditioners come with a wall sleeve; this offers structural support for the unit and acts as an insulator. Place the sleeve on the wall for an exact fit.

It can be fastened using screws and wall anchors then set in the appropriate position. Caulk or add weather strips around the edges to provide a seal to avoid diffusion of air.

3. The Exterior Support Bracket

The front side adds an exterior support bracket to help take the load of the unit. Place the bracket on the outside and directly up from the wall sleeve where it should be installed. Ensure that it is flat and stable and has been well anchored.

4. Install the Air Conditioner

Place the air conditioner in the wall sleeve as appropriately as possible to adjust it well. The locking mechanisms and screws are usually provided in most units in order to avoid them from loosening up. It should be strictly followed as the manufacturer outlines, meaning that certain directions might differ depending on the model.

5. Connect the Electrical Components

However, if your unit has to hardwire, it is advised that a professional electrician is hired to do the work. Regarding the plug-in units, please just plug the power cord into the nearest socket. Check that all electrical connections are intact with no signs of damage and that they comply with the building code standards.

6. Seal and Insulate

Close any gaps around the unit that may be allowed in the air by using weather stripping or foam insulation in the areas. This creates a barrier that allows the warm air to come inside but doesn’t allow the cool air to escape out, resulting in increased efficiency of the unit.

7. Test the Unit

When it is properly mounted, switch on the air conditioner and conduct some tests. Suspect anything out of the ordinary, such as uncommon noises or any kind of vibrations. Make sure it is chilling the room adequately and that there is a clear passage of air through it.

Why Professionals Should Install Your Air Conditioner

While DIY installation can be cost-effective, hiring a professional offers several advantages:


Professional persons have the expertise and special skills to work on any issue that may occur when installing the air conditioner.


They ensure that all the connections related to electrical currents prove alright and that they conform to the laws of the region.

Warranty Protection

There are various manufacturers who need professional installations to protect warranty periods.

If people do not have the time or inclination to do it themselves, they were well advised to employ the service of a professional in air conditioning installation at Forest Hill. This means that once they are hired for the job, you will be guaranteed a well-done and well-fitted air conditioning unit to give you that cool and comfortable home without the stress.

Hire a Professional Now