Understanding the 4 Basic Components of an Air Conditioning System

An air conditioner is a complex system composed of several components including an evaporator, condenser, expansion valve and compressor. Learn more about these components and how they work together.

Understanding the 4 Basic Components of an Air Conditioning System

An air conditioner is a complex system composed of several components, but the four main parts that are responsible for moving air indoors and out are the evaporator, condenser, expansion valve, and compressor. These components are located either on the hot side or the cold side of the system. The evaporator is situated on the cold side and its primary purpose is to receive liquid coolant. This liquid coolant is then combined with a fan that blows air over the cold coils in your home.

The pressure drop causes the liquid refrigerant to convert to gas. The expansion valve is located between the evaporator and condenser coils and its main function is to regulate the flow of coolant to the evaporator. It removes pressure from the liquid refrigerant, allowing it to convert to gas in the evaporator. The compressor is situated on the hot side and its primary role is to pressurize the coolant.

This large electric pump repressurizes the refrigerant gas, converting it back into liquid form. The compressor works together with the refrigerant to convert low-pressure gas into high-pressure gas, which then leaves the compressor and enters the coil of the condenser. In addition to these four main components, there are several other parts that make up an air conditioner. These include a thermostat, air blowing unit, air filter, evaporator coil, and compressor. The air filter is usually connected to the air conditioning unit of the air conditioner and traps dirt, dust, and other small debris to protect internal components and improve air quality in your home.

It's important to replace your air filter according to manufacturer recommendations as a clogged filter can increase wear on your equipment. The fan is part of the air treatment unit and pushes air to the evaporator where it cools down. The blower then sends this cooled air through ducts to different areas of your home. Inside the evaporator coils is refrigerant which captures heat from the air through a heat transfer process. This heated refrigerant is then pumped to the condenser coils where it releases heat outside your home. If you're in Hendersonville, Nashville, or surrounding communities, Kimbro Air's HVAC experts are available for all your air conditioning needs.

Kimbro Air proudly offers services to Hendersonville, Nashville, Bellevue, Bordeaux, Brentwood, Franklin, Gallatin, Goodlettsville, Hermitage, Madison and Mt.

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