
Heating ventilation and air conditioning
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ventilation components, but with the important addition of an evaporator, which
both cools and dehumidies the air.
Air conditioning can be manually controlled or, as is now often the case,
combined with some form of electronic control. The system as a whole can be
thought of as a type of refrigerator or heat exchanger. Heat is removed from
the car interior and dispersed to the outside air.
13.2.2 Principle of refrigeration
To understand the principle of refrigeration the following terms and denitions
will be useful.
• Heat is a form of energy.
• Temperature means the degree of heat of an object.
• ...