COOL IT IN THE HOT CONCRETE JUNGLE!!!
HOW IT WORKS:
Turn the A/C on and the compressor compresses the system's refrigerant (Freon) raising its temperature. It loses heat as if flows through the condenser (that second radiator looking thing in front of the radiator). It passes through the receiver/dryer where contaminants and moisture are removed, and then on to the expansion valve/accumulator where the refrigerant is slowed down further, causing it to lose pressure and temperature before it gets to the evaporator. The evaporator is like a mini radiator (not to be confused with the heater core - they are two separate things) inside the dash of your ride that gets cold as it further lowers the refrigerants temperature and, additionally, removes moisture from the air. The ventilation system's blower motor blows air over the cold evaporator and pushes cool air into the passenger compartment.
Bottom line when it works in 90 degree hot, humid weather......., aaaaaaaah it is SO refreshing!