Air conditioners are an important device for cooling and heating in different spaces. But one of the common problems that users may encounter is the air conditioner blowing hot air. Below we will examine the causes of this problem and ways to solve it. For repairs, be sure to seek help from a technical technician to prevent damage to the air conditioner and electrical hazards.

Refrigerant (gas) shortage: A lack of refrigerant can cause an air conditioner to not cool the air effectively. This problem is most often caused by leaks in the air conditioner's pipes or faulty installation.

Compressor failure: If the compressor, which acts as the heart of the air conditioner, malfunctions or breaks down, it cannot compress the refrigerant, resulting in hot wind.

Dirty filters: Air filters, if they become dirty, restrict airflow. This reduced flow can lead to improper air conditioning performance and hot air blowing.

Coil dirt: The evaporator and condenser coils must be clean. Dirty coils will prevent the air conditioner from effectively removing hot air from the room.

Incorrect thermostat settings: If the thermostat is not set correctly, it may cause the air conditioner to operate incorrectly and produce hot air.

Problems with electrical components: Problems with electrical components such as capacitors or relays can prevent the air conditioner from operating properly.

Obstruction of air flow: If the air inlet or outlet is blocked (for example, by objects or dust), the air conditioner cannot work properly and hot wind is produced.

Defect in the expansion valve: If the expansion valve that controls the diameter of the gas is defective, it can cause thermal shocks and, as a result, hot air.

Preventive tips

– Periodic service: Service your air conditioner regularly to prevent problems.

– Use high-quality filters: Use proper filters and clean them regularly.

– Monitoring the performance of the cooler: Quickly investigate any unusual changes in the air conditioner's performance (such as increased noise or decreased efficiency).