Welcome to our comprehensive guide on the issue of AC not removing humidity, which can be a common problem faced by many homeowners during the hot and humid summer months. In this guide, we will provide you with a detailed analysis of why your AC may be failing to remove humidity and how to fix this problem. By the end of this guide, you will have a better understanding of the issue and the necessary steps to take to ensure that your AC functions effectively.

Why is Your AC Not Removing Humidity?

Before we discuss how to fix the problem of your AC not removing humidity, it’s essential to understand why this issue is occurring in the first place. The primary function of an air conditioner is to cool your home by removing heat and moisture from the air. However, sometimes your AC can still cool the air, but not remove humidity. Some of the reasons for this issue are:

  1. Wrong AC Size: The size of your AC unit is crucial for effective cooling and humidity control. If your AC unit is too small, it will struggle to cool and remove humidity from the air, resulting in poor performance. On the other hand, if your AC unit is too large, it will cool the air too quickly, without removing enough humidity, leading to a clammy feeling.
  2. Dirty or Clogged Air Filters: Dirty or clogged air filters can hinder the airflow of your AC, making it difficult for your AC to remove humidity. It’s essential to replace your air filters regularly to ensure that your AC functions optimally.
  3. Refrigerant Leak: A refrigerant leak can cause your AC to underperform, leading to high humidity levels in your home. You may need to contact a professional technician to fix the leak and recharge the refrigerant.
  4. Faulty Thermostat: Your thermostat is responsible for controlling your AC’s cooling and dehumidification cycles. If your thermostat is faulty, it may prevent your AC from removing humidity effectively.

How to Fix Your AC’s Humidity Issue

Now that you know why your AC is not removing humidity, it’s time to discuss how to fix the problem. Below are some practical steps you can take to address this issue:

  1. Check Your AC Size: Ensure that your AC is the right size for your home. If your AC is too small or too large, it will not function effectively, resulting in poor humidity control.
  2. Replace Air Filters: Replace your air filters regularly to ensure that your AC has good airflow, which is essential for humidity control.
  3. Fix Refrigerant Leak: If you suspect a refrigerant leak, contact a professional technician to fix the issue and recharge the refrigerant.
  4. Calibrate Your Thermostat: If your thermostat is faulty, you may need to recalibrate or replace it. A correctly calibrated thermostat can ensure that your AC removes humidity effectively.


AC Not Removing HumidityReasons
Wrong AC SizeAC unit is too small or large
Dirty or Clogged Air FiltersHindered airflow due to dirty/clogged filters
Refrigerant LeakAC underperforms due to refrigerant leak
Faulty ThermostatInaccurate control of dehumidification cycle


In conclusion, if your AC is cooling but not removing humidity, it’s crucial to identify the root cause of the issue to fix it effectively. As we have discussed in this guide, the primary reasons for this issue are a wrong AC size, dirty or clogged air filters, refrigerant leak, and a faulty thermostat. By following the practical steps we have outlined above, you can address these issues and ensure that your AC functions effectively, providing you with a comfortable and pleasant indoor environment during the hot and humid summer months.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *