Is Your Car AC Blowing Hot Air? Top Causes & Quick Fixes In Dubai

Driving the long highway in the hot summer season of the UAE is tough, but it's worse when your AC is blowing hot air. 

Instead of getting stuck in the heat, understand the common causes and simple fixes to keep your AC running efficiently and your drive comfortable.

Top Reasons Behind Car AC Not Cooling

When your car's AC blows hot air, it means that there is an issue with your car's AC system. There could be a single or several smaller issues that accumulate and cause yourcar AC blowing hot air.

1. Growth Of Mould And Mildew

   Constant operation of the vehicle’s AC leads to the accumulation of moisture within the AC unit, and after some time, it causes the growth of bacteria, mould, and mildew, which obstructs the flow of air through the ducts and makes the process inefficient. 

2. Electrical Problem

   Heat waves in Dubai can cause electrical faults, high temperatures can overheat wires and damage connections, resulting in short-circuiting. In turn, it hampers the proper functioning of the AC system and leads to problems in its operation, such as the inability to cool the air.

3. Leak In AC Refrigerant

   Cooling gas, called the refrigerant, is required to blow out cold air; therefore, a leak in the AC system means the presence of less refrigerant in the system, making the vehicle unable to cool properly, which leads to the AC not working in car UAE.

4. Dust Obstruction In Condenser

   The condenser is responsible for the release of heat from the refrigerant, but it gets blocked due to dust accumulation. If it gets damaged or becomes dirty, it fails to cool the refrigerant and blows out hot air from the vents.

5. Faulty Compressor 

   The job of the compressor is to ensure that refrigerant is circulated within the AC unit. In the event the compressor stops working or there is an issue with it, the entire cooling cycle will stop, leading to the blowing of hot air in the AC unit.

6. Faulty AC Blower

   The AC blower fan is responsible for ensuring that air gets into the cabin of the car. When the blower fan starts weakening, there is less flow of air, hence giving the impression that the car's AC system isn't cooling anything.

7. Damaged Compressor Belt

   The AC system's compressor belt ensures that the AC compressor works and that it receives power from the engine. If the compressor belt is worn out or broken, the AC system will suffer from reduced efficiency.

8. Clogged Cabin Air Filter

   The cabin air filter collects any debris that is present in the air that gets into the cabin of your car, but sometimes, it might get clogged, reducing the AC's cooling power.

9. Insufficient Cooling And Poor Maintenance

Neglecting the necessary maintenance of the car's AC leads to wear and tear of its components and failure of small parts, which results in poor performance of the AC.

Tips For Fixing The Problem

After analyzing the problems of your car's AC and learning why your car's AC isn't cooling properly or blowing warm air, it's easy to realize how significant maintaining your car's AC is, especially in the extreme heat and sandy environment of the UAE. Following simple tips will help you avoid AC issues.

1. Cabin Air Filter Replacement Or Cleaning

Filter replacement is one of the simplest ways of improving your car's AC performance. Filter replacement removes the dust and other particles that accumulate within the filter over time, which makes airflow harder and thus weakens your car's AC.

2. Turn On Your AC Frequently

Even though you may not require cooling at some points of the year, you should make sure that your AC works for a few minutes at regular intervals, as this will ensure that the internal components, including the compressor, are sufficiently lubricated and prevent seal dryness, thus ensuring that it does not break down when you need it the most.

3. Use The Recirculation Functionality

Recirculation functionality is a very simple practice that enhances the efficiency of your air conditioning system almost immediately. It involves allowing your AC system to keep cooling the air inside rather than continuously pulling the hotter air inside, which makes cooling easier and ensures that your cabin stays cool.

4. Monitor Your Refrigerant Level

Refrigerant is crucial in the operation of your AC system, and its leakage could significantly affect its functioning. You should monitor the indicators of weak cooling and seek regular professional help to prevent breakdowns that could render your AC not working in the UAE.

5. Never Load Your Car Too Much

Carrying extra weight in your vehicle increases the load on the engine as well as the AC system, because more space and heat need to be cooled, so keeping your car balanced and avoiding unnecessary load helps your AC work more efficiently and maintain consistent cooling even in high temperatures.

6. Visit Your Mechanic Regularly

Professional maintenance is one of the key processes in ensuring the efficiency of your AC system. Through proper maintenance, your AC system will be inspected for any leakages, refrigerant levels will be adjusted, and parts will be cleaned, preventing it from any potential breakdown.

Car AC Problems, Signs, And Solutions At A Glance

At Dial A Tire, we help guide our customers in taking proper care of their AC system, while also ensuring that we provide end-to-end inspection and maintenance of car AC units.