Top Reasons Your AC System Is Not Blowing Cold Air

Top Reasons Your AC System Is Not Blowing Cold Air

Top Reasons Your AC System Is Not Blowing Cold Air


Summer is around the corner and no one can deny the importance of having a properly functioning AC system. However, it can be incredibly frustrating if your AC system suddenly stops blowing cold air. This situation can be a nightmare, especially when the temperature outside starts to climb. Don't worry though – we've got you covered. In this blog, we will talk about the top reasons why your AC system is not blowing cold air and help you find a solution to fix it.


1. Dirty Air Filter 

The air filter in your AC system is responsible for preventing dust and dirt from blocking the airflow. If you've been using your AC system for an extended period without replacing the filter, it can get clogged with dirt and dust, limiting the airflow, which can prevent your system from blowing cold air. A dirty air filter can also cause many other problems with your AC system, so it's important to replace it regularly. 

2. Low Refrigerant Level

Refrigerant is what cools the air in your AC system. If there's a low refrigerant level, it means there's not enough of it in your AC system. A low refrigerant level can indicate a leak, which can cause other problems in your system. It’s important to fix this problem as soon as possible to avoid a total breakdown of your AC system. 

3. Damaged Condenser or Evaporator Coils

The condenser and evaporator coils are the main components that help to cool the refrigerant. If they get damaged, they won’t be able to effectively transfer heat, which can cause your AC system to blow warm air. Damaged condenser or evaporator coils can be caused by any physical damage or lack of maintenance, so it's important to have them checked annually or as per the manufacturer’s guidelines.

4. Faulty Thermostat 

Your thermostat is responsible for regulating the temperature of your AC system. If your AC system is blowing warm air, the thermostat might be faulty and might need a repair or replacement. Your AC system may also have trouble communicating with the thermostat, leading to malfunctioning. So, it's important to ensure that the thermostat is properly installed and calibrated.

5. Dirty AC Unit 

Dirt and debris can accumulate in your AC unit over time, preventing proper airflow and reducing the cooling capacity of your AC system. The build-up can also cause internal damage to your AC system. Improper installation of the unit can also cause problems in the airflow and cooling functionality. Therefore, it's essential to conduct routine cleaning and maintenance to keep your AC unit in proper working condition.



If your AC system is not blowing cold air, there could be many reasons why it's happening. However, the above-mentioned reasons are the most common issues. If you're facing an issue with your AC system and not sure why it's not cooling, it's best to contact a professional technician. Experts can help you identify the root cause of the problem and assist in repairing or replacing the faulty components. For all your AC supply needs, Discount Air Supply is here to help. If you're looking for AC supplies in Central Florida, contact us today to know more about our products and services.

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