Friday 9 June 2017

How Do Condenser and Evaporator Coils Work? How They Are Different?

Hydrophilic coated evaporator coils and copper condenser coils, otherwise also known as cooling coils, are placed in the air conditioning systems. These primarily help in completing the heat exchange process of the units, which is the basic function of the refrigerated cooling coils. They form a continuous loop, but perform different functions.

How do evaporator coils work?

Hydrophilic coated evaporator coils are located inside the blower compartment of the air conditioners. They are responsible for holding the chilled refrigerants so that the compressors move into it. As the hot air from the blower fan moves over evaporator coils, these cold refrigerants along with Chilled water coils remove the heat from the indoors, become warmer and transport the air to the condenser coils located in the outside part of the AC unit.

How condenser coils work?

Copper condenser coils are placed inside the outdoor unit along with the compressor, pipes, and valves. The warm and gaseous air flows through the evaporator coils to the compressor which pressurizes the air and transports it into the condenser coils. As soon as it reaches the cold refrigerants (condenser coils) nestled in the outside system, the blower fans blow the hot air across the coils and cools the inside temperature. The cold air, then blows back inside the home. This cooling cycle keeps on continuing!

What are the three main points to consider when buying evaporator and condenser coils?

The engineering behind making the evaporator and condenser coils are fairly complex in nature. Therefore, in order to meet the highest level of energy efficiency and comfort, the coils need to be:–

Perfectly matched – Before purchasing a new air conditioning system, one should always ask the HVAC contractor to verify that both the type of coils perfectly complements each other. This needs to be specially done if one is going to purchase a split Ac system – the most common type of residential HVAC equipment. If the coils do not match correctly, the energy costs tend to rise, and the system won’t be able to perform well.

Leak free – The coils should be free from leaks. If there is any leak, it tends to lose refrigerant in proportion to the size of the leak. Without enough refrigerant, the coils get frozen and stop the cooling process. This can severely damage the compressor of the AC unit.

Clean from dirt – Both the coil should be free from dust and dirt, to perform best and efficiently. Coils covered in dust layers act as an insulator that obstructs the function of the coils.

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