SkillCat EPA Universal Practice Test

Air conditioning works by adding cold air into your house.

True False It depends Not enough information

Correct Answer:

False

Explanation:

Air conditioning cools a space by moving heat out of the indoor air, not by simply delivering cold air from outside. The system uses a refrigerant that absorbs heat as it evaporates inside, passing the cooled air over the indoor coil to lower the room temperature. The absorbed heat is carried by the refrigerant to the outdoor unit, where it’s released outside. Moisture from the air also condenses on the cold coils, helping to dehumidify and make the space feel cooler. In many setups the indoor air is recirculated rather than pulled directly from outside, so cooling comes from removing heat from the inside air rather than “adding” cold air from outside. That’s why the statement is not accurate.

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