Important Guidelines for Split AC Installation – Scooptimes

Split air conditioning units are increasingly popular thanks to their energy efficiency, space-saving designs, and cooling capacities. Installing a split AC requires proper installation to achieve optimal performance and durability. In this article, we will review some important guidelines regarding the split system AC installation to ensure you get the best return on your investment.

1. Selecting the Right Location:

Selecting the indoor and outdoor units’ locations is the first step in installing split AC. The indoor unit must be installed at an appropriate height, 7-8 feet off the ground. This ensures efficient cooling and air distribution. It should be placed where there will not be any obstructions to airflow, such as shelves, furniture, or curtains.

The outdoor unit must be placed in an open area with plenty of ventilation to allow heat to dissipate. It should also have a stable base to minimize vibrations.

2. Proper Sizing:

To ensure efficient cooling, you must choose the correct size AC unit. A small unit won’t be able to cool the room effectively. However, an oversized AC unit can result in excessive energy consumption. Consult an HVAC technician to determine what size AC unit is appropriate for the room.

3. Electrical Requirements

Verify that your system’s electrical capacity can meet the needs of the split AC. A dedicated circuit must be installed with the correct amperage and voltage to avoid electrical problems. It would help always to use a qualified electrician when making electrical connections.

4. Quality Piping and insulation:

The refrigerant lines connecting indoor and outdoor units must be well insulated. Insufficient insulation could lead to reduced cooling efficiency or condensation. You should ensure that the piping has been installed properly and all joints have been adequately sealed.

5. Correct Refrigerant Charge:

The refrigerant load is essential to the performance of the split AC. The wrong refrigerant charge could lead to issues like compressor damage, reduced cooling capability, or increased energy usage. Always follow the manufacturer’s recommendations on the correct refrigerant charges and seek the help of a certified professional to complete this task.

6. Adequate Drainage

To prevent mould and other problems, it is vital to have a good drainage system. It is important to ensure that the indoor units are installed with the proper drainage system and have a slight angle to aid in the flow of the condensate.

7. Vibration isolator:

It is best to place the outdoor unit on either a vibration absorber pad or mounting brackets to reduce vibrations and noise. This maintains a comfortable, quiet environment indoors.

8. Airflow direction:

Attention should be paid to the direction the airflow leaves the indoor unit. It is important to direct the airflow away from the occupants. A proper airflow distribution will ensure even cooling of the entire room.

9. Placement of remote control:

Install the holder for the remote in an accessible, convenient area of the room. This helps to prevent the loss of remote controls and makes operation easier.

10. Regular Maintenance

After installation, arrange regular maintenance checks with an experienced technician to keep the split AC system in good condition. Routine maintenance requires cleaning the indoor units and outdoor units.


Proper installation maximizes your split system air conditioner performance, energy efficiency, and lifespan. If you follow these guidelines and hire a qualified technician to help, you will enjoy all the comforts and benefits of a well-installed air conditioning split system. A high-quality installation is an investment that will yield long-term savings in energy and comfort.