Do You Know The 7 Components Crucial For Air Conditioner Function? 

Aug 5, 2022

If you have a modern, energy-efficient, top-notch air conditioning system, you’ve probably noticed the benefits it reaps. Things like efficiency and energy savings are never in question because everything functions at the highest capacity. But are you familiar with each of the components that make up so wondrously make up your cooling system? There are 7 crucial components that all work together to allow your air conditioner to function. And even though you may not specialize in the HVAC area, we still think it’s beneficial for homeowners to have a basic understanding of how their AC units work. We stand by the belief that if you prepare appropriately, you won’t be flabbergasted if an undesirable situation were to surface. Because, let’s face it, life does has a way of keeping us on our toes! Of course, we want you to rest easy knowing that Grove City Heating & Air has got you covered if anything should happen. We are here for all your AC needs! But let’s stay on topic and keep discussing the 7 major components of your air conditioner. 


Let’s start with the thermostat since it is the most well-known air conditioning component in the home. They’re an important part of your HVAC system and are used to regulate and control all of the HVAC settings in your house. They’re generally mounted on a wall inside your home. 

Evaporator Coil 

The evaporator coil is generally placed in the air handler. Before refrigerant enters the evaprator coil, it is chilled. This ensures that the refrigerant remains at a lower temperature. As a result, warm air from your home is redirected into your AC system and dispersed over the evaporator coil. The evaporator coil then lowers the temperature to colder levels in return. 

Air Filter 

Before the cool air is circulated and distributed throughout your house, it passes through your AC system’s air filters to remove any airborne pollutants or allergens. This is an important stage in the operation of the air conditioner since poor air quality can either improve or damage everyone in your household’s health and well-being. 

Blower Fan

The blower fan is positioned within the air handler and works to blow cold air over the evaporator coil in order to lower the temperature. Then, after that, cold air is introduced into your house’s ductwork in order to distribute the cold air.  


It’s as simple as it sounds. A compressor’s main purpose is to compress air. The warm vapor from the compressor is compressed and turned into a liquid form when it arrives. Because it is hot, it is cooled and expanded again, allowing any heat in the air to be removed. 

Condenser Coil

The condenser coil is used to remove heat from the refrigerant and vent it outside. This condenser coil is housed inside of your outdoor equipment. 

Expansion Valve

The expansion valve, which regulates the refrigerant flow, is located between the condenser and evaporator. When refrigerant changes to a liquid state, it loses its ability to absorb heat. The purpose of the expansion valve is to expand the refrigerant inside it so that it becomes a gas. This is done within the expansion valve by directing a drop of pressure against the refrigerant. The now gaseous refrigerant is significantly colder and continues on its way to the evaporator coils, where it starts the air conditioning process over. 

That concludes our rundown of the seven components that make up your air conditioning system. Each component in your air conditioning system has a specific purpose so that everything may function properly. However, although each piece plays a unique role, if one were to fail, the entire system would not operate as intended. Don’t forget; we are here for you 24/7, 365 days a year, so if you are experiencing any issues with your AC system, Grove City Heating & Air is ready and willing to come to your aid! You can reach us at (614) 490-7540, or schedule an appointment online now by clicking here