Troubleshooting Guide: Air Conditioner Not Blowing Cold Air, Turning Off by Itself & How to Unfreeze

Air Conditioner Not Blowing Cold Air But Running

During hot summer months, an air conditioner is a lifesaver, providing cool and comfortable indoor temperatures. However, it can be frustrating when your air conditioner is running but not blowing cold air. This article will explore the possible reasons behind this issue and provide troubleshooting examples and solution suggestions that users frequently experience.

Common Causes of Air Conditioner Not Blowing Cold Air But Running

There are several reasons why your air conditioner may not be blowing cold air even though it is running. Understanding these causes can help you identify and resolve the issue effectively. Here are some common causes:

  • Dirty Air Filters: One of the most common causes of an air conditioner not blowing cold air is dirty air filters. Over time, dust and debris can accumulate on the filters, restricting airflow and reducing cooling efficiency. Regularly cleaning or replacing the air filters can help resolve this issue.
  • Low Refrigerant Levels: Refrigerant is responsible for cooling the air in your air conditioner. If the refrigerant levels are low, it can result in insufficient cooling. This could be due to a leak in the system, which should be addressed by a professional technician.
  • Faulty Compressor: The compressor is a vital component of the air conditioning system that compresses the refrigerant to cool the air. If the compressor is faulty or not functioning properly, it can lead to a lack of cold air. A professional technician should inspect and repair or replace the compressor if necessary.
  • Blocked Condenser Unit: The condenser unit, located outside the house, can become blocked by debris such as leaves, dirt, or grass. This can restrict airflow and hinder the cooling process. Regularly cleaning the condenser unit and removing any obstructions can help restore proper cooling.
  • Frozen Evaporator Coil: If the evaporator coil becomes frozen, it can prevent the air conditioner from blowing cold air. This can occur due to restricted airflow, low refrigerant levels, or a malfunctioning blower motor. To unfreeze the evaporator coil, turn off the air conditioner and let it thaw. Once thawed, address the underlying issue to prevent future freezing.

Replacement Parts for Air Conditioner Not Blowing Cold Air But Running

If you have identified a faulty component in your air conditioner that is causing it to not blow cold air, you may need to replace certain parts. It is important to use genuine replacement parts to ensure compatibility and optimal performance. Here are some common replacement parts for air conditioners:

  • Compressor
  • Evaporator coil
  • Condenser fan motor
  • Blower motor
  • Thermostat

When replacing these parts, it is recommended to seek professional assistance or consult the manufacturer’s guidelines for proper installation.

When to Call Authorized Service

While some air conditioner issues can be resolved through troubleshooting and basic maintenance, there are instances where it is best to call authorized service. If you are unsure about the cause of the problem or lack the necessary expertise, it is advisable to seek professional help. Authorized service technicians have the knowledge and experience to diagnose and repair complex issues safely.

In the United Kingdom, air conditioners are frequently used, especially during the summer months, and many users are satisfied with their performance. Service centers are available in various provinces across the country. To find the nearest service center, users should call the call center specified on the company’s official website.


When your air conditioner is running but not blowing cold air, it can be frustrating and uncomfortable. By understanding the common causes of this issue, such as dirty air filters, low refrigerant levels, faulty compressors, blocked condenser units, and frozen evaporator coils, you can troubleshoot and resolve the problem effectively. Remember to consult professional technicians for complex issues and use genuine replacement parts when necessary. Stay cool and comfortable this summer by ensuring your air conditioner is functioning optimally.

Note: The information written here is collected from the Internet. There is a possibility that it may contain incorrect information, so for the most accurate and up-to-date information, the official website of the company should be visited. Any responsibility arising from wrong information or application does not belong to the site owner.

Leave a Reply

Scroll to Top