Auto HVAC
Not only do we depend on our cars to get us where we want to go, we also depend on them to get us there without discomfort. We expect the heater to keep us warm when it’s cold outside, and the air conditioning system to keep us cool when it’s hot.

We get heat from the heater core, sort of a secondary radiator, which is part of the car’s cooling system. We get air conditioning from the car’s elaborate air conditioning system.

Despite its relatively small size, the cooling system has to deal with an enormous amount of heat to protect the engine from friction and the heat of combustion. The cooling system ha …

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