How to Install Air Conditioner in Wall: A StepbyStep Guide to Efficient Cooling

How to Install Air Conditioner in Wall?

To install an air conditioner in a wall, begin by understanding the difference between a through the wall unit and a split system air conditioner.

Next, gather the necessary tools and equipment for installation.

Choose an appropriate location on the wall, measure the dimensions, and mark the placement of the air conditioner.

Cut a hole in the wall to accommodate the unit and install a support bracket to secure it in place.

Connect the electrical wiring to a nearby power source and insert the air conditioner into the hole, securing it to the bracket.

Seal any gaps to prevent air leaks.

Finally, test the unit to ensure proper functioning and follow the manufacturer’s instructions for maintenance and cleaning.

Seek professional assistance if needed.

Key Points:

  • Understand the difference between a through the wall unit and a split system air conditioner
  • Gather necessary tools and equipment
  • Choose an appropriate location on the wall and mark the placement of the air conditioner
  • Cut a hole in the wall and install a support bracket
  • Connect electrical wiring and secure the air conditioner to the bracket
  • Seal any gaps to prevent air leaks


Did You Know?

1. The first air conditioner was installed in a New York City printing plant in 1902, aiming to control the humidity and improve the quality of paper production.

2. The concept of “air conditioning” dates back to ancient Egypt, where slaves used to fan bowls of water in front of a window to create a cooling effect through evaporation.

3. The term “air conditioner” was originally coined to describe a machine developed in the early 1900s that not only cooled the air but also cleaned and moisturized it.

4. In 1947, the first window air conditioner was introduced to the market by the company “Tappan.” It was designed to fit into a standard-sized window opening, making it easier to install in residential buildings.

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5. Interestingly, the first fully air-conditioned car was invented in 1939 by the Packard Motor Car Company. However, due to the refrigerant used at the time (R-22), the system was only installed in luxury cars as it posed a potential danger in case of accidents.

Understand The Types Of Air Conditioners

Installing an air conditioner in a wall requires understanding the difference between a through-the-wall unit and a split system air conditioner. A through-the-wall unit is a self-contained air conditioner that is mounted directly into a hole in an exterior wall. It is typically installed in a sleeve that supports the unit and seals the gap between the unit and the wall. On the other hand, a split system air conditioner consists of an indoor unit and an outdoor compressor unit. The indoor unit is mounted on a wall, while the outdoor unit is placed outside the building.

For the purpose of this article, we will focus on the installation steps for a through-the-wall unit.

Gather The Necessary Tools And Equipment

Before proceeding with the installation, it is important to gather all the necessary tools and equipment.
You will need:

  • A measuring tape
  • A level
  • A pencil
  • A reciprocating saw or a hole saw
  • A drill with appropriate drill bits
  • A screwdriver
  • A support bracket
  • Electrical wire
  • Wire connectors
  • Electrical tape

It is also recommended to have a caulking gun and weatherproof caulk to seal any gaps between the air conditioner and the wall after installation.

Choose A Suitable Location On The Wall

Selecting the right location for your air conditioner is crucial for efficient cooling. Choose a wall that is close to a power source and where the conditioned air can easily circulate throughout the room. It is also important to consider the aesthetics and the impact of the installation on the room’s layout. Take measurements of the air conditioner and mark the placement on the wall using a pencil. Double-check that the location is free from any obstructions such as pipes or electrical wires.

Measure And Mark The Placement Of The Ac

To ensure a proper fit for the air conditioner unit and to avoid gaps or misalignment during installation, follow these steps:

  1. Measure the dimensions of the air conditioner and transfer these measurements onto the marked spot on the wall.
  2. Use a level to ensure the markings are straight and aligned.
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By accurately measuring and aligning the unit, you can ensure a seamless installation process without any issues.

Cut A Hole In The Wall For Installation

Using a reciprocating saw or a hole saw, carefully cut a hole following the marked dimensions on the wall. Make sure to wear appropriate safety gear such as goggles and gloves during this process. The size of the hole should match the dimensions of the air conditioner. Be cautious of any electrical wires or plumbing pipes that may be hidden behind the wall.

  • Use a reciprocating saw or hole saw
  • Follow marked dimensions on the wall
  • Wear goggles and gloves for safety
  • Match the hole size to the air conditioner dimensions
  • Be cautious of hidden electrical wires and plumbing pipes behind the wall.

Install A Support Bracket

To provide stability and support for the air conditioner, install a support bracket inside the hole. The bracket should be firmly attached to the exterior wall. Follow the manufacturer’s instructions for proper installation. This step is crucial to prevent movement or vibration of the air conditioner.

With the first six steps completed, you are now ready to move on to the remaining installation process. Stay tuned for Part 2, where we will cover the remaining steps to successfully install an air conditioner in a wall for efficient cooling.

Note: If you ever feel overwhelmed or unsure during the installation process, it is always recommended to seek professional assistance for a safe and proper installation.

Frequently Asked Questions

Can you install an air conditioner on an inside wall?

Yes, it is possible to install an air conditioner on an inside wall. A wall-mounted HVAC system is specifically designed to be installed on the interior wall of a room, allowing for efficient temperature and moisture control within a specific space. The installation process involves securing the unit onto the wall and connecting it to the necessary electrical and ventilation systems, providing convenient and effective cooling capabilities without taking up valuable floor space.

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Can we install AC without hole in wall?

Yes, it is possible to install an air conditioner without drilling a hole in the wall, depending on the type of AC unit and your building structure. For example, if you opt for a Split AC, a small drilled hole is needed to connect the pipelines to the outdoor unit. However, in buildings with windows, there may be an alternative option available. Window AC units can be installed by fitting them directly onto the window frame, eliminating the need for drilling holes in the wall.

Can you install a window AC in a wall?

While standard window AC units may not be suitable for installation in a wall due to potential overheating caused by blocked vents, there are certain models available that can be installed through a wall using a slide-out chassis wall sleeve. This sleeve helps in properly venting the unit, allowing for efficient cooling without any risk of overheating. It is important to carefully choose a window AC unit with the necessary features and consider the suitability of your wall for installation before proceeding with the installation process.

What is the disadvantage of wall mounted air conditioner?

One major disadvantage of wall-mounted air conditioners is the maintenance required for optimal performance. Regular cleaning of filters and coils is necessary to ensure efficient functioning. Additionally, wall-mounted ACs have a limitation in terms of cooling capacity, making them unsuitable for larger spaces.

References: 1, 2, 3, 4