moving heat: heating and air conditioning principles

moving heat: heating and air conditioning principles PowerPoint PPT Presentation


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2. Principles of Heat. Heat always moves toward coldTo warm something, heat must be addedTo cool something, heat must be removedA large amount of heat is absorbed when liquid changes state to a vaporA large amount of heat is released when a vapor changes state to a liquidCompressing a gas concentrates the heat and increases the temperature.

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moving heat: heating and air conditioning principles

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