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Top Reasons Your Air Conditioner Isn’t Blowing Cold Air and How to Fix It

In the scorching heat of a Texas summer, the last thing you want is an air conditioner that’s not blowing cold air. Unfortunately, this is a common occurrence, especially during unusually hot summers when your AC is working extra hard each day. The good news is that if it happens to your air conditioner, there are a few tricks you can try at home to fix the problem yourself before having to call a professional AC repair company.

Understanding the root of the issue and knowing how to troubleshoot will save you from unnecessary discomfort and expenses. Let’s first explore the common reasons for an AC blowing warm air. Then, we’ll go over steps you can take before calling for professional help, and learn when it’s time to call it quits and turn to Houk AC, Dallas’s leading air conditioner repair service, for help.

Understanding the Problem

When your AC unit seems operational, but the air coming from your vents is warm or insufficiently cool, several reasons could be the cause. Understanding exactly why your air conditioner isn’t blowing cold air is the first step toward resolving the issue effectively.

Common Causes of AC Temperature Issues

Clogged Air Filter

A clogged air filter can restrict airflow, causing your air conditioner to struggle to cool your home efficiently. This is one of the most common and easily fixable problems. Check your air filter every 1-3 months. If it looks dirty or clogged, replace it with a new one. Ensure that you are using the correct filter size and type for your system.

Refrigerant Issues

Refrigerant is essential for cooling the air. Low levels due to leaks or insufficient refrigerant charge can lead to poor cooling performance and freeze up your system. What causes an air conditioner to ‘freeze up’, exactly? When low refrigerant levels cause the evaporator coils to become too cold, ice formation can occur, further impairing the unit’s cooling efficiency. Refrigerant issues generally require specialized tools and knowledge. If you suspect a refrigerant problem, it’s best to contact a professional to inspect and repair the system.

Thermostat Malfunction

The thermostat controls your air conditioner’s operation. If it’s not functioning correctly, it may not signal the AC to cool properly. If your AC is not blowing cold air, make sure the thermostat is set to a lower temperature than the current room temperature. If the thermostat is battery-operated, try replacing the batteries. Check for any loose wiring or dirt that might be affecting its performance.

Troubleshooting Steps Before Calling a Professional

  1. Check Thermostat Settings: Make sure the thermostat is set to “cool” mode and that the temperature is set lower than the current room temperature.
  2. Inspect Air Filters: Look for any visible dirt or clogging. Replace the filter if necessary.
  3. Clear Debris Around the Outdoor Unit: Check there is no debris, such as leaves or branches, obstructing the outdoor condenser unit. Clear the area to guarantee proper airflow.
  4. Ensure Proper Airflow Around Vents: Make sure vents are open and unobstructed by furniture or other items. Good airflow is essential for efficient cooling.

When to Call for Professional AC Repair

While some issues can be resolved with DIY troubleshooting, certain problems require professional attention. If you’ve checked the basics and your air conditioner is still not blowing cold air, it’s time to call Houk AC for professional air conditioner repair. Signs that indicate a need for professional help include:

  • Persistent warm air despite troubleshooting efforts.
  • Unusual noises or smells coming from the AC unit.
  • Ice formation on the coils or refrigerant lines.

Considering AC Replacement

If your air conditioner is frequently breaking down or has become inefficient, it might be time to consider replacement. An older unit may be less efficient and more costly to repair. A new, energy-efficient model can provide better cooling performance and lower utility bills. Consulting with an HVAC professional can help you determine whether repair or replacement is the best option for your situation. If it’s time to replace your AC, make sure to choose the right size unit for your home to guarantee comfort and efficiency.

Keep Your Cool This Summer

Dealing with an air conditioner that’s not blowing cold air can be a hassle, but understanding the common causes and knowing how to troubleshoot can help you address the issue quickly and effectively. Regular maintenance and timely repairs are key to keeping your AC running smoothly. If you’ve tried troubleshooting and still face problems, don’t hesitate to reach out for professional assistance. For reliable air conditioner repairs in Dallas, Houk AC is here to help you stay cool and comfortable all summer long.

 

Contact Houk for Professional AC Repair Throughout Texas

If you’re struggling with an air conditioner that’s not blowing cold air, call Houk AC today. Operating since 1962, we have an expert team ready to provide the best HVAC services in Dallas-Fort Worth, Houston, Austin, and San Antonio. Contact us at 833-313-5532 to keep your home cool all season long.

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