What Are The Components Of An Outdoor And Indoor Air Conditioning Unit?

Air conditioning systems have many different components, each working together to bring cool, filtered air to homes and buildings. Home air conditioners are made up of many different components. Without these components, the air conditioner will not work effectively, or will not work at all. It is important to know exactly what the different air conditioning units are made of in case they need to be replaced or repaired.

In this guide, we’ll explain in detail the different parts of an air conditioner and how they work together to provide cool, comfortable air to your environment.

What are the main components of an air conditioner?

The most common type of home system is a split air conditioner. This type consists of a main indoor air conditioning unit and an outdoor unit linked together. The internal unit contains the evaporator coil and filter, while the outdoor unit contains the condensing coil, fan, and compressor.What is a refrigerant?

Air conditioning refrigerant also passes through the system as the different components work. It is the cooling solution used in many refrigeration products and is a critical part of ensuring your room stays cool.

Depending on your system, the air conditioner refrigerant capacity can be up to 1.8 liters. It is always recommended that you check the details of your system, as different air conditioning systems from different manufacturers may operate in different ways.Room air conditioning unit

Room air conditioning units should be wall mounted and include the following:

Air conditioner evaporator coil

The evaporator coil of the indoor unit will be connected to the condenser coil of the outdoor air conditioner. This component is part of the air conditioning system where the refrigerant absorbs heat.

Evaporator coils are usually made of copper or steel because these materials conduct heat efficiently. The refrigerant from the A/C condenser coil changes from liquid to gas here. It will absorb the heat in the home and send it back to the system’s condenser coil, and the process will continue in one cycle.

It is important to keep the evaporator coil clean to ensure that it is always safe and efficient. If it is not kept clean, it can lead to higher energy usage and risk of failure.


Filters are an essential component in any air conditioning system. They prevent dust and allergens from circulating through your home and help make the air you breathe safer and cleaner. If you don’t have a filter in your air conditioning system, the air quality in your home will suffer.

Filters within the system should be regularly changed or even cleaned to remove accumulated debris and dust. It will also help your entire system run more efficiently.

Air conditioning ducts

Ducts within the air conditioning system allow air to pass through. The heated and cooled air can be pushed into or pulled out of the room through separate ducts.


In an air conditioning system, you will have a thermostat that enables you to adjust the temperature of the system to a temperature that suits you and your needs. Most modern systems also have the ability to remotely control the thermostat for added convenience. For the ideal air conditioner thermostat setting for each room, you can adjust the temperature for more flexibility and cool only the room you’re using, saving energy in the process.

Outdoor air conditioning unit

Like indoor air conditioning units, outdoor units are home to the essential components your system needs to run as efficiently as possible. The following is the composition of your outdoor unit:

Air-conditioning compressor

The compressor changes the state of the refrigerant in the system, thereby cooling your home. It compresses the refrigerant in gas form to increase its pressure and temperature. As the gas flows to the internal unit, the refrigerant changes back to liquid by releasing this pressure and condenses back to liquid. Once inside the indoor unit, the refrigerant turns into a gas again and absorbs heat in your home. Then the cycle starts again.

A problem with the air conditioner compressor can stop the refrigeration cycle, resulting in a malfunction or malfunction. It is important to replace the faulty compressor as soon as possible to prevent this from happening.

Air conditioner condenser coil

The job of the condenser coil is to cool the gas under high pressure. The gas from the air conditioner compressor then becomes liquid again. The job of the condenser is to remove the heat from the refrigerant and transfer it to the evaporator coil of the indoor air conditioning unit.

Expansion valve

Air conditioning expansion valves are designed to remove pressure from the refrigerant that has built up in the compressor. It works with compressors and condensers to keep gases and liquids circulating to cool your home.


Fans can be found in outdoor units, and their main job is to remove heat from your home from the condenser coils. Inside the indoor unit, you’ll have an air handler that helps push cool air into the home.Main process

These air conditioning system components work together to create a successful system. Here’s how an air conditioning system works and the main process by which these components bring cool air into your home:

The refrigerant reaches the compressor as a low-pressure gas. The compressor increases the pressure of this gas, as well as its temperature.

The hot gas leaves the compressor and enters the condenser. The condenser then takes the heat away, condensing it into a liquid and lowering the temperature.

The liquid then passes through the evaporator coil, where the pressure will drop and evaporate into a gas again.

As the refrigerant leaves the evaporator coil, it is now at a cooler low pressure. A fan attached to the evaporator circulates cool air around the environment and draws in warmer air, releasing it through the outdoor unit.

Components inside and outside of an air conditioning system are critical to a perfectly functioning system. They should be kept clean and regularly monitored to ensure they are always in top working order. If you are looking for the perfect air conditioning system for your home, please contact us.

ComforPlanet is a professional custom air conditioners and accessories manufacturer. Our main products are air conditioners, refrigerants, condensing units, compressors, copper pipes, etc. We are committed to the business philosophy of “customer first, people-oriented, leading quality, leading technology, and continuous profit growth” to create a trustworthy brand image and a respected public image.

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