• 561 Acorn Street, Deer Park, NY 11729
  • Mon-Sun
    12:00 AM - 11:59 PM
24/7 Emergency Service



How to Install a Ductless Mini-Split Air Conditioner



Without needing to install a conventional central air conditioning system, installing a ductless mini-split air conditioner might be a terrific alternative for individuals who wish to cool a particular room or section in their home. Due to their energy efficiency and simplicity of installation, these systems, also known as ductless HVAC or heat pump systems, are gaining popularity. The process of installing a ductless mini-split air conditioner will be walked you through in this post.

Step 1: Choose the Correct Location

choose the correct location


Choosing the ideal placement for both the indoor and outdoor units is the first step in installing a ductless mini-split air conditioner. The indoor unit should be installed at least seven feet above the ground on a wall adjacent to the area you want to chill. It’s crucial to leave adequate room around the indoor unit to allow for proper airflow and upkeep.

Installing the outside unit in a spot shielded from the sun’s rays and the elements is recommended. It should also be set down on a solid foundation that can bear its weight. Also, you must ensure that there is sufficient space around the appliance for maintenance and proper airflow.

Step 2: Mounting Plate Installation

Mounting plate installation


After deciding on the ideal placement for the indoor unit, you must install the mounting plate. It’s crucial to ensure proper installation of the mounting plate because that’s where the interior unit will attach. The mounting plate must be positioned straight, thus use a level to check.

Step 3: Installing the indoor unit

installing the indoor unit


The indoor unit can then be mounted onto the mounting plate following the installation of the mounting plate. Make careful you adhere to the manufacturer’s mounting guidelines for the indoor unit. Screws are required to secure the item to the mounting plate.

Step 4: Install the drain line and refrigerant lines

The drain line and refrigerant lines must be installed after the ductless mini-split air conditioner has been installed. Both the interior and outdoor units are connected by refrigerant lines, and the drain line is used to drain any moisture that collects on the indoor unit.

To connect the drain and refrigerant lines between the interior and outdoor units, you will need to drill a tiny hole in the wall. It will be necessary to connect the lines to the indoor and outdoor units once they are in place. As you connect the wires, be sure to adhere to the manufacturer’s recommendations.

Step 5: Installing the outdoor unit

The outdoor unit can be installed once the inside unit is put in place and the drain and refrigerant lines are attached. When installing the outdoor unit, be careful to adhere to the manufacturer’s instructions. Before you can mount the outside unit, you must first attach the drain and refrigerant lines to the unit.

Step 6: Evaluate the system

You must test the system to ensure that it is operating properly after the ductless mini-split air conditioner is completely installed. After the system is running, listen for any strange noises or leaks. To make sure the unit is cooling the room effectively, you should also check the temperature of the air it is producing.

Step 7: Keep the system up to date

keep the system up-to-date


Your ductless mini-split air conditioner needs regular maintenance to function effectively. To prevent them from being clogged with dust and debris, you should frequently clean the filters on the interior unit. Also, you should have the system professionally maintained at least once a year to check for any problems and guarantee that it is operating at its best.

Final Verdict

Finally, installing a ductless mini-split air conditioner can be an excellent option to chill a particular room in your home. You can install a ductless mini-split air conditioner yourself with the correct equipment and some fundamental DIY skills. Nonetheless, it is advised that you contact a qualified HVAC specialist to install the system for you if you are not confident with the installation procedure. The system will be implemented correctly and perform effectively for many years to come if it is professionally installed. A ductless mini-split air conditioner can offer dependable and economical cooling for your house with proper installation and maintenance.