Want to install your own wall air conditioner but don’t know how? If so, then you are lucky to have found this article. A step-by-step guide on how to properly install a wall air conditioning unit will be thoroughly discussed below:

Step one: Get the exact and accurate measurement of the area where you plan to install the unit.

This is an important step before the actual installation process. Of course, you first need to acquire the wall AC unit with the appropriate size and BTU capacity. As a rule of thumb, you have to settle for a wall air conditioning unit that will correspond to the size of the area that it needs to service. For example, a 100 – 150 square feet room will require a unit with a 5,000 BTU capacity. Meanwhile, a 400-450 square feet room should have a wall AC unit that has a 10,000 BTU capacity.

Step two: Determine the best place to install your wall AC.

Just like the window air conditioners, you have to figure out where to effectively place your wall air conditioning unit. If possible, it is best to position the unit on a north facing or south facing wall so they won’t come in contact with direct sunlight.

Step three: Check the unit if it comes complete with mounting brackets and attachments.

Most of the time, most models of wall air conditioners are already equipped with the necessary wall attachments, brackets, and even screws needed for the installation. But in case your unit doesn’t come complete with these items, you can conveniently purchase them in any nearby hardware store. However, if they do, make sure to attach the brackets and other mounting attachments as per the instruction stated on the unit’s manual. Be sure to position the unit first on the wall opening before attaching the brackets.

Step four: Use the sealing foam to cover the gaps surrounding the unit.

Once the unit has been fully installed and the brackets have been firmly attached in place, the last thing to do is to place the sealing foam provided by the manufacturer into the gap surrounding the unit’s frame. If you have to do some caulking on the outside part of the unit, do so. This is necessary to ensure that warm air will be kept outside the room.