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Heating – Rising of temperature is called Heating

Heat is the form of energy that is transferred between two substances at different temperatures.

The direction of energy flow is from a substance at a high temp. to a substance at a low temp.

Cooling:-  Reducing the temperature is called cooling

Humidity: – Humidity is defined as the amount of water vapors present in the air is called Humidity

Humidification:- The process of increasing the water vapors in the air is called humidification.

Dehumidification:-  The process of decreasing the water vapors in the air is called dehumidification.

According to ASHRAE, Comfortable humidity is between 30% to 70%