Does slow cooling speed and poor cooling effect of the air conditioner require a refrigerant replacement?

2 Answers
SanMelanie
07/25/25 12:49pm
Slow cooling speed and poor cooling effect of the air conditioner require a refrigerant replacement. Here is an introduction to air conditioning cooling: 1. Principle: The cooling principle of a car air conditioner is very simple. When cooling, the engine drives the compressor to operate. At this time, the compressor can continuously compress the refrigerant and deliver it to the evaporator box. 2. Reasons affecting cooling effect: The front of the car has a condenser, which dissipates heat for the refrigerant. If the surface of the condenser has a lot of dirt, the heat dissipation efficiency of the condenser will decrease, which will also affect the cooling speed and effect of the car air conditioner.
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MadisonRose
08/11/25 8:31pm
Slow and poor air conditioning cooling doesn't necessarily mean you need to replace the refrigerant. Having driven for most of my life, I often encounter this issue in summer. If there's a refrigerant leak, it indeed needs replenishing, but the leak point must be fixed first; otherwise, topping it up is futile. Other reasons like a filter clogged with dust, an aging compressor, or a non-functioning cooling fan can all lead to weak cooling. I recommend first going to a repair shop for a comprehensive check, testing the pressure of the cooling system to see if refrigerant is lacking. Cleaning the dust in the engine compartment while you're at it can significantly improve air cooling efficiency, saving you from unnecessary expenses. Regular air conditioning maintenance is more practical than suddenly replacing the refrigerant, especially for older cars, where problems often stem from lack of maintenance.
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