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How does your AC actually make cold air?

Melissa, Jam
Published Aug 6, 2026
39 min

About

Melissa and Jam unpack the chemistry inside an air conditioner. They explain how refrigerants, pressure changes and transitions between liquid and gas move heat out of a room, why the outdoor unit releases warmth, and what frozen coils reveal about the cooling process.

Topics

Air conditioningPhase changesHeat transfer

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