Why Is My Car A/C Blowing Warm Air?

An optimally functioning air conditioning system is a MUST for those of us in Gainesville, FL, as temperatures keep hiking up. Imagine hopping into your vehicle on a hot, summer day only to be welcomed with hot air. Nobody wants to experience this!


Why is your car blowing warm air even when you have the AC cranked up to high? Well- the root of the problem is not that simple. Various issues can cause this to happen:


Low Refrigerant Levels

The most common cause of weak air conditioning is low refrigerant levels. Refrigerant is a liquid that circulates through your AC system and is responsible for removing heat and humidity from the cabin. If you are left with little to no refrigerant, also known as freon, then your car won't cool the air the way you want it to. None of the other AC components will function correctly without proper refrigerant levels. If you are low on refrigerant, you should have it checked for leakage. 


Blocked or Broken Condensor

The condenser's function is to keep the refrigerant cool. If the condenser is blocked by contaminants or is damaged, the refrigerant will not allow cold or cool air to blow from your vents.


Faulty Compressor

The compressor serves a vital function: to circulate the refrigerant throughout the system. If this part isn't functioning correctly, the antifreeze won't reach the condenser for cooling. A replacement of the compressor is usually needed between 10-15 years of use.


Issue with Electrical System

Similar to your home air conditioning, your car's AC extracts power from electricity. A frayed wire or blown fuse can corrupt an otherwise healthy AC from working. Diagnosing and fixing an electrical problem begins with performing a complete inspection of your vehicle's fuse box and wiring.


As mentioned before, a refrigerant leak is the most common culprit of warm air. However, you can never be certain. We advise that you take your vehicle to Advanced Auto Car Center to get a proper analysis of your flawed AC system. Give us a call or visit us today!

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