Most HVAC systems contain one or both types of coils that are responsible for heating and cooling your home. Before we get deep into the coil’s difference and where it’s located, let’s give a brief overview of how your AC unit might look and function.
The main parts of the AC unit includes: the compressor, condenser coil, and evaporator coil.
The compressor is responsible for compressing the freon gas and spreading it at normal temperature to the condenser coil.
Then, the condenser coil releases the heat into the atmosphere and returns at normal temperature back to the compressor.
Finally, the AC unit enters the evaporator coil and absorbs the heat inside your home, resulting in decreasing temperature inside your home or room.
Find Out Why The AC Unit Is Not Working
When your AC is running, two sets of coils are responsible for the cooling process. The evaporator coils absorb heat from your home’s air, while the condenser coils release that heat outside. The Freon gas in your AC unit circulates between these coils to complete the process. Depending on the model of your AC unit, these coils are either located inside or outside of your home.
Finding The Location of The AC Evaporator Coils
The location of the evaporator coil can be found in different places. The most common location of evaporator coil is in the attic, near the AC unit and under the vent in the ceiling. It can also be located in the furnace area.
The evaporator coils are located inside your home, typically in the furnace. These work to remove heat and moisture from the air passing over them. The Freon gas in the coils absorbs this heat, and as it circulates back outside, it transfers that heat to the condenser coils.
The condenser coils are located outside of your home, and they work to release the heat that was absorbed by the evaporator coils. These typically look like a large radiator, with metal fins surrounding a central tube. As the Freon passes through these coils, a fan blows over them and releases the heat into the atmosphere.
While both types of coil play an important role in cooling your home, they operate at different temperatures. The evaporator coil removes heat from air that is around 40-50 degrees Fahrenheit, while the condenser coil releases heat into air that is around 30-40 degrees Fahrenheit.
The evaporator coils in your HVAC system hold superheated gasses that rise from your furnace or ducts and produce cooling for your home.
These coils are essential to the proper cooling of your home, and problems such as leaks can become a major issue.Air conditioners are designed to reduce the humidity of the air inside through two coils that perform separate, interdependent processes.Before we can understand why a leak might occur, we first need to understand what’s inside your evaporator coils.
These coils are filled with superheated gasses, and the most common type of refrigerant is R-22 Freon.This is a liquid that moves steadily throughout the evaporator coils, before moving to the compressor.
It’s at this point that the compressors transfer heat to the air, which moves throughout your home.After the air reaches the compressor it changes back into a liquid, before being moved back into the compressor to move throughout the entire system.
This cycle goes on consistently as your HVAC system runs.
Since many older HVAC systems used Freon as their refrigerant, finding a leak won’t be very difficult.As the gas leaks into your home it will begin to smell similar to the smell of rotten eggs.This smell is often the first indication that you have a leak on your hands.The refrigerant inside your coils is incredibly toxic for humans, so you should never try to repair the leak yourself.After you call a professional and show them where you believe the leak as occurred, they will use a die to try to seal it.The die will be injected into the repair area, and if it mixes with the refrigerant, it will create a seal.It’s important to have the coil inspected when you have a leak instead of just replacing it. This is because you can find leaks anywhere on the coil, including at the seam, solder joint, or even fittings. Any of these areas can contain a small hole that lets toxic chemicals into your home.
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