When you find your AC not blowing cold air on a hot summer day in Texas, it can make you heated, in more ways than one. At Lex Air East Texas, we understand how important it is to have a functioning air conditioner in Tyler, TX, which is why we’re here to help you tackle this issue with ease.
Sometimes, a simple fix, like changing a clogged air filter or clearing debris around the outdoor unit, can restore cool airflow. However, more complex issues, such as refrigerant leaks or faulty components, may require professional help to avoid further damage.
If your air conditioner isn’t blowing cool air when it should be, contact the Tyler, TX air conditioner repair professionals at Lex Air East Texas today. We can help you troubleshoot the problem and, if that doesn’t solve the issue, can send a technician to determine the cause and provide you with potential solutions.
Call (903) 833-9510 to learn more about what we can do to help today.
Reasons Your Air Conditioning Unit May Not Be Blowing Cold Air
There are a few common issues that can prevent your AC from blowing cold air or cause it to blow warm air when it should be blowing cool air. Fortunately, with a little troubleshooting, you can often identify and address the underlying cause to restore comfort to your home. Below are some common reasons why your AC system might be unable to blow cool air or might be blowing warm air.
Thermostat Issues
If your air conditioner won’t blow cold air, the first thing you should do is check your thermostat settings. Make sure it’s set to “cool” mode and that the temperature is set lower than the current room temperature. Sometimes, accidental adjustments or even a malfunctioning thermostat can interfere with the cooling process.
If adjusting the settings doesn’t solve the issue, you may need to recalibrate or replace the thermostat. Our Tyler thermostat repair technicians at Lex Air East Texas can diagnose issues with your thermostat and repair or replace it accordingly.
Clogged Ducts
Another common culprit is clogged air ducts. Clogged ducts can restrict airflow, which can prevent your air conditioner from blowing air as it should. Dust, dirt, or even small debris inside your supply vents may cause warm or weak airflow, as the cool air can’t move efficiently through the ductwork.
Check your vents and ducts for visible blockages or dust buildup and consider professional duct cleaning to restore optimal airflow. At Lex Air East Texas, we offer Tyler duct cleaning services to clear clogged ducts and ensure your AC system is able to supply conditioned air throughout your home or business.
Dirty Air Filters
A dirty air filter can block airflow into your AC, preventing it from producing cold air. This can affect your home’s indoor air quality and your system’s cooling efficiency. Clogged filters can also cause your air conditioner to work harder than it should, which can cause it to overheat and blow warm air instead of cold air.
Replacing or cleaning your air filter every one to three months is an easy way to improve airflow and maintain cool, fresh indoor air.
Frozen Evaporator Coils
A frozen evaporator coil can prevent your AC system from cooling effectively, causing it to blow warm air instead of cool air. These coils often freeze as a result of restricted airflow, often due to dirty air filters or low refrigerant levels.
To troubleshoot, check the air filter for clogs, make sure vents are open and unblocked, and turn off the unit to allow the ice to melt. If the problem persists, you may need a professional to inspect the refrigerant levels and airflow.
Blocked Outdoor Unit
Another reason your AC might be blowing warm air is that your outdoor condenser unit is blocked. Heat pump, mini-split, and central AC systems have outdoor condenser units. The outdoor unit contains the condenser coil, which plays a vital role in allowing your air conditioner to blow cold air.
If the condenser coil becomes blocked by dirt, leaves, or debris, the unit can’t release heat effectively, leading to warm airflow inside. To troubleshoot, ensure the area around the outdoor unit is clear, and gently clean the condenser coil with a soft brush or a hose. Regular maintenance from an HVAC company can prevent blockages and keep your AC running efficiently.
Leaking Refrigerant
A refrigerant leak is a common reason why your AC unit may not blow cold air. Refrigerant is a chemical compound that absorbs and releases heat within your AC system, allowing it to cool the air as it cycles through the unit and into your home. When refrigerant leaks from your system, it can lower the cooling capacity and efficiency of your air conditioner and put strain on the system.
To troubleshoot, look for signs like hissing sounds, ice buildup on the unit, or decreased cooling. If you suspect a refrigerant leak, contact an HVAC professional to locate and repair leaks in your refrigerant lines. Handling refrigerant requires specialized tools and certifications, so leave it to the pros.
Damaged HVAC System
A damaged component within the air conditioner, such as a faulty compressor, worn-out motor, or broken fan, can disrupt the cooling process and prevent cooled air from circulating through your home. When key parts are compromised, the AC unit may blow warm air or no air at all.
If you hear unusual noises, notice reduced airflow, or see an unexpected rise in energy bills, these may be signs of damage. A professional inspection can help identify and repair damaged components, restoring the system’s ability to deliver cooled air throughout your home or business.
How the Air Conditioning Technicians at Lex Air East Texas Can Help
If your air conditioner is not blowing cold air, or it’s blowing hot air when it should be blowing conditioned air, contact an HVAC professional at Lex Air East Texas today. We’re proud to provide the residents and commercial building owners in Tyler, TX, with cooling and comfort all year long.
An AC technician from our team will thoroughly investigate your whole system to determine the root cause of the issue. Once found, we’ll address the problem and ensure that your HVAC unit is working properly. If the problem requires further diagnosis or can’t be solved, we can provide expert air conditioning replacement services so that you can return to comfort as soon as possible.
The best way to prevent problems like this from occurring in the first place is to schedule regular HVAC maintenance on your air conditioning unit. Ideally, you should have your cooling system maintained once a year in the spring before the cooling season begins, ensuring that any issues are caught and repaired by an experienced HVAC technician. If you’re interested in scheduling yearly air conditioner tune-ups, sign up for our annual HVAC maintenance plan in Tyler, TX, today!
Air Conditioning System Troubleshooting Q&A
Why is My Air Conditioner Not Blowing Cold Air But Running Constantly?
If you notice your air conditioner running constantly but it’s not blowing cold air, it may be the result of a variety of issues, including:
- Low refrigerant levels
- Clogged air filters or ducts
- Blocked or dirty condenser coils
Routine maintenance and prompt repairs can often resolve these issues, helping your unit run smoothly and cool your home efficiently.
Why is My AC Unit Running But No Air is Coming Out of the Vents?
If your HVAC system is running but there’s no air coming out of your supply vents, it could be the result of:
- Blocked vents or clogged ducts
- Broken blower belt or blower motor
- Frozen evaporator coils
Checking for visible blockages and ensuring that the system’s components are clean and functional can often resolve the problem. For more complex issues, a professional inspection can help restore proper airflow and keep your HVAC system running efficiently.
What Should I Do if My Air Conditioning Unit Isn’t Blowing Cold Air?
If your air conditioning system isn’t blowing cold air, start by checking simple issues like the thermostat settings and air filter. Ensure the thermostat is set to “cool” and that the air filter is clean, as a clogged filter can restrict airflow., as a clogged filter can restrict airflow.
If these quick fixes don’t solve the problem, inspect the outdoor unit for debris blocking the condenser coil, or look for signs of ice on the evaporator coil. Turning the system off for a while can allow the ice to melt or for overheated components to cool down, which may solve the issue.
For more complex issues, like low refrigerant or a faulty compressor, contacting a professional can help diagnose and restore your air conditioning system to optimal performance. At Lex Air East Texas, we’re proud to offer 24/7 emergency HVAC services in Tyler, TX, ensuring you have the professional help you need whenever you need it most.
If you want to prevent these problems and others from occurring in the first place, schedule our Tyler air conditioning tune-up services and experience worry-free cooling all year long.
Is Your AC Not Cooling Your Home? Call the HVAC Professionals at Lex Air East Texas Today!
When your AC struggles to keep your home cool, it’s time to call the HVAC experts at Lex Air East Texas. Whether it’s troubleshooting airflow issues, addressing refrigerant leaks, or cleaning essential components, we have the skills to restore your air conditioner’s performance.
Our technicians can diagnose, repair, and replace a variety of HVAC systems and AC units, ensuring you can have conditioned air in your home or business once again. We can also provide regular maintenance on your heater or air conditioner, ensuring your entire system receives a routine check before each heating and cooling season.
If you’re in need of a new AC system or heating system, our installation technicians can provide you with quick and professional service, installing your new system with minimal disruptions. Don’t wait for the next heatwave. Contact Lex Air East Texas today for professional HVAC services that you can count on.
Call (903) 833-9510 or contact us online to schedule a free quote today!