Fan Coils vs. Evaporator Coils: What’s the Difference?

Air conditioner terminology can be confusing, but understanding the basics is important for homeowners in Largo, FL, that want to maximize the efficiency and lifespan of their equipment. As you likely know, traditional split AC systems have a condenser outdoors and an evaporator inside. Together, they create a closed-loop system to carry refrigerant and cool your home.

AC is such a normal part of daily life here in Florida that it’s easy to forget about it—until something goes wrong. Your system’s fan coils and evaporator coils play a critical role in your unit’s functionality, which is why both major components should be serviced annually.

Are Fan Coils and Evaporator Coils the Same?

No, although they do work in tandem to cool your home. Evaporator coils are found inside the indoor air handler and contain refrigerant that plays a role in extracting heat from the air in your home. The fan coils are in the condenser and help the unit disperse the heat energy gathered inside into the outdoors.

How Do an AC Unit’s Coils Affect Cooling?

Since the coils carry refrigerant through the closed-loop we mentioned earlier, they’re essential for your AC to extract heat and cool properly. Dirt, dust and biological growth can build up on the evaporator coils, resulting in poor performance and indoor air quality.

Fan coils are equally prone to build up from dust, dirt, leaves, grass and other outdoor debris. They don’t, however, produce condensation like the evaporator, which means biological growth is rarely an issue.

Even though condenser and fan coils perform different functions, they’re equally important for the optimal performance of your AC. If you see biological growth, leaks or feel like your unit isn’t cooling properly, we’d be happy to inspect the unit today and identify the source of the problem. Please call Bay Area Heating and Cooling, Inc at 727-565-4555.

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