Know More About Car Air Conditioning

Car air conditioning has become a standard feature in the great number of modern cars available. You might not even realize, though, that air conditioning, like that of the rest of the car, requires routine maintenance. In reality, you could have no idea how it works. However frequent AC maintenance must be a habit, it is typically recommended that a full automotive AC service be performed once a year to ensure maximum cooling efficiency.

Working of Car Air Conditioning System


Its job is to compress the refrigerant, as the name implies. The compressor functions as a pump, pressurizing the refrigerant before passing it out to the evaporator.


The condenser is an integral part of a car’s air conditioning system. The condenser serves as a heat exchanger, converting high-pressure gas into a high-pressure liquid, which is then pumped through the Transceiver Dryer till it reaches the expansion valve.

During the process of condensation, the condenser operates to lower the temperature of the refrigerant. A cold liquid will emerge after the warm temperature is properly reduced, and it will be expelled through the vehicle air conditioner vents. If you notice any problem, contact Car Air Conditioning Derby for servicing.


The refrigerant is a liquid that is housed inside the loops of a car air conditioning system and is responsible for the entire cooling process. R134-a, popularly called Tetrafluoroethane, has been the most prevalent refrigerant being used in car air conditioning. R-12, sometimes known as Freon, has been the most extensively employed refrigerant prior to 1993.


The air conditioning evaporator’s purpose is to transmit cool air with the help of the blower’s pressure. The evaporator, commonly known as a cooling unit, is responsible for releasing cool air into the car interior.

Briefly defined, an evaporator functions in the same way that a refrigerator does. The evaporator in a car air conditioning system serves as a container for Freon that has transformed into a mist or chilled vapor.

Expansion valve

The evaporator and the expansion valve function together. It regulates the strength of the AC refrigerant as it circulates through the unit.


The AC drier is another important component of your vehicle’s air conditioning system. The dryer serves as a filter, trapping dirt and other contaminants that might have been present in the air conditioning system.

The dryer serves as a temporary storage unit for refrigerant and oil when they are not required for operation, like during times of low cooling requirements. Moisture might seep into the AC circuits during the manufacturing process. Humidity within air might also cause moisture to reach the system.

Frequent Air Conditioning System Faults

As air conditioning systems in automobiles function under pressure, they must be totally protected from the outside world. A failure can be caused by anything that permits refrigerant to leave or pollutants to enter.

If any part has a leak, just refilling the system using a new refrigerant would only provide a temporary solution. Determine the source of the leak, and replace the defective component before evacuating and recharging the system.

A system leakage would not only prevent the Air conditioning system from cooling, but it would also destroy the compressor. When the compressor tries to run with even less refrigerant within the system, it might overheat as well as damage itself.

The Air Conditioning condenser requires a constant airflow through its own fins to function properly. Road debris and mud can obstruct airflow, resulting in system failure. The condenser is situated directly behind the car grill, which exposes it to the elements and puts it in danger of partial obstruction. Book Mot Test Derby for a quick test and to ensure if your car is roadworthy.