ESCO Air Conditioning Practice Exam 2025 – The All-in-One Guide to Exam Success!

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Which component of an air conditioning system is responsible for absorbing heat from indoors?

Condenser

Compressor

Expansion valve

Evaporator

The component of an air conditioning system responsible for absorbing heat from indoors is the evaporator. The evaporator coil is located inside the air conditioning system and is typically placed within the air handler or furnace. As warm air circulates over the cold evaporator coils, the refrigerant inside the coils absorbs heat from the air, causing the refrigerant to evaporate into a gas.

This process is essential for the cooling effect provided by the air conditioning system. The absorbed heat is then carried away by the refrigerant to the outdoor unit, where it is expelled into the atmosphere through the condenser. Therefore, the proper functioning of the evaporator is critical for effective temperature regulation and comfort within indoor spaces.

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