![]() It is like an endless, elegant cycle designed to keep you cool: Liquid refrigerant is converted to a gas as it absorbs heat, then it is compressed and back to a liquid again so that it is ready to absorb the heat from the air in the car interior. As the refrigerant gas cools, it changes back to a liquid and the process starts all over again. All the extra heat created by compressing the gas is then taken out of the system with the help of a second set of coils called condenser coils and a second fan. To make sure that it keeps cooling efficiently, the compressor puts the refrigerant gas under high pressure which converts it back to a liquid again. When hot air flows over the cold, low-pressure evaporator coils, the refrigerant inside them absorbs the heat and changes from a liquid to a gaseous state. ![]() Air conditioners also contain fans that push the air in your cabin over these cold, refrigerant-filled coils. These compounds are refrigerants that have properties enabling them to change chemical state at relatively low temperatures. Air conditioners chill indoor air by forcing special chemical compounds to evaporate and condense over and over again in a closed system of coils. The air conditioning in your car works thanks to a compressor, refrigerant, and an evaporator. An AC recharge can bring back cold air when you need it most on hot days. What happens, though, when your AC stops blowing out cold air and why does this happen? If your AC is blowing out warm air or only works intermittently, you might have run low on the substance that gives your car this magic cold air capability. Gone are hour long journeys in a stuffy, boiling car in summer and you can stay cool and in comfort on every little trip to the shops. Of the many luxuries offered by modern cars, air conditioning is perhaps the one that makes driving the most comfortable. ![]() Car not cool enough anymore? Keep calm and recharge your air conditioning unit.
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