Maintaining Comfortable Temperatures Takes Work
Heat is generated during the engine's combustion process. It’s then absorbed by the coolant in your car's radiator and circulated through the heater core before returning to the radiator. A fan (blower) then circulates air over the heater core and into the passenger compartment of the vehicle.
Air conditioning comes from the car's elaborate air conditioning system. Instead of adding “cold” air to the car’s interior, it actually removes the heat from outside air, cleaning and dehumidifying and keeping it at the temperature you select. The “cooled” air is then sent to the car's interior in an "un-heated" condition.
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