HILLSBOROUGH: 813-935-6644   PINELLAS: 727-545-9998 info@actionairconditioning.com

When the scorching summer season hits, a properly functioning air conditioning unit with properly functioning AC components is essential for staying cool and comfortable in your home.

However, if your AC unit is not working efficiently, it won’t provide you with the desired cooling experience and can cost you a lot of money for repairs and replacements.

In this article, we’ll delve into the different operational parts of an AC unit and how they work together to cool your home. 

By familiarizing yourself with these components, you can manage and maintain your AC unit more effectively. That will help ensure it continues functioning as it should.

How Does an AC Unit Work?

Air conditioners operate by cooling the air in a room by removing the hot air and replacing it with cool air. This process is carried out through aac components on ceiling cycle of refrigerant that flows through various AC components responsible for cooling the air. 

The four key AC components of your system are the compressor, condenser, expansion valve, and evaporator.


The compressor is considered the heart of the AC system. It’s responsible for circulating the refrigerant gas through the system. It compresses the low-pressure refrigerant gas into a high-pressure gas, which flows to the condenser. 


The condenser then receives the high-pressure refrigerant gas from the compressor and converts it into a high-pressure liquid. The heat from the refrigerant gas is released into the air. That allows the refrigerant to cool down and turn into a liquid. 

Expansion Valve

After the refrigerant has been converted into a high-pressure liquid, it flows to the expansion valve. The expansion valve is responsible for reducing the pressure of the refrigerant. It then evaporates and turns into a gas. 


The evaporator absorbs heat from the air, cools it down, and circulates it back into the room. The refrigerant gas then returns to the compressor to start the cycle.

Maintaining Your AC System

Regular AC maintenance is crucial to ensure your AC system functions efficiently and effectively.

It’s important to clean your air filters at least once a month to avoid making your AC system work harder than it should. Otherwise, it would lead to higher energy bills and potential damage to the system over time. 

Regularly cleaning your coils can also improve your AC’s efficiency and lifespan. If your AC is not cooling your home effectively, it may be time to have the refrigerant levels checked by a professional.


In conclusion, understanding the different components of your AC system and how they work together is vital to keeping your home cool and comfortable during the hot summer months. 

By following these maintenance tips, you can help ensure that your AC system works efficiently and effectively. That way, your AC can keep your home cool and comfortable all summer.

Are you looking to take your AC maintenance and quality experience seriously? Then it’s time to get in touch with Action Air Conditioning.

Serving the Tampa area and beyond, we care for everything related to your air conditioning system. This includes regular checkups to ensure everything is running correctly, repairs and replacements, and checks.

Keep your AC unit running to its full potential this summer with Action Air Conditioning.

Contact us today to see what we can do for you!