Vehicle air-con machines are used by garages to test and refill the refrigerant gas in vehicles, including cars, vans and heavy goods vehicles, to keep them correctly pressurised to ensure the air conditioning within the vehicle keeps working and maintaining a correct and consistent temperature.
What does an aircon regas do?
Air conditioner regassing is the process of extracting the old used refrigerant gas from the vehicle air conditioning system and replacing it with new A/C refrigerants such as R134a or R1234yf. This process re-pressurises the air conditioning system and will help to maintain the system whilst ensuring that the air is held in the vehicle’s air con system at the correct pressure and temperature. Usually, faults or the need to regas an a/c system are detected during the warmer months when it is not running cold enough, however, a correctly operational air conditioning system can also help to keep vehicle windscreens clear during the winter months.
What is air conditioner refrigerant?
Air conditioner refrigerant is a chemical fluid, most often either R-134a (chemical designation: 1,1,1,2-tetrafluoroethane) or R-1234yf (chemical designation: 2,3,3,3-Tetrafluoropropene, HFO-1234yf) which is added into the air con system. This refrigerant travels around the a/c system and has special properties as it’s able to change from a low-pressure to a high-pressure liquid very quickly which allows it to evaporate and condense, varying states from liquid to gas rapidly as it cycles the air conditioner, and it’s this cyclical process that creates the cold air inside the car (and the evacuated of hot air outside of the vehicle).
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