AC Not Blowing Cold Air? Here Are 7 Easy Ways To Fix It Fast!

7 Causes and Easy Fixes When Your Air Conditioner Is Not Blowing Cold Air

When the heat of summer is at its peak, the last thing you want is for your air conditioning unit to stop working properly. You rely on your AC to keep your home comfortable and cool, and when it suddenly stops blowing cold air, it can be a frustrating and uncomfortable experience. The good news is that there are several simple steps you can take to troubleshoot and fix the issue before calling in a professional AC repair technician. In this article, we will guide you through seven easy ways to fix your AC not blowing cold air. These simple solutions will not only help you save money on repair costs but also ensure that your home remains a cool and comfortable sanctuary even during the hottest summer days.


ac not blowing cold air


1. Check Your Thermostat

One of the most common causes of an AC not blowing cold air is a faulty thermostat. Your thermostat serves as the control center for your air conditioning system, regulating the temperature and ensuring that your home stays comfortable. When your thermostat malfunctions, your AC unit may not be able to operate effectively, leading to reduced cooling performance or no cooling at all.

To start troubleshooting your AC, begin by checking your thermostat. Ensure that it is set to “cool” and that the temperature is set to a lower value than the current room temperature. This simple step may be all that’s needed to get your AC unit blowing cold air again. If the thermostat settings are correct, consider replacing the batteries. Faulty batteries can cause the thermostat to stop functioning correctly, leading to problems with your air conditioner.

If these steps do not resolve the issue, it may be time to replace the thermostat altogether. A professional HVAC technician can help you diagnose the problem and replace your thermostat if needed.


2. Replace Your Air Filter

Your air conditioning unit is a vital component in keeping your home comfortable, but did you know that the quality of the air it circulates is just as important? Air filters play a crucial role in ensuring that your AC unit is circulating clean and healthy air, free from pollutants, allergens, and dust particles. However, a dirty air filter can become dirty or clogged, and it can severely affect your unit’s performance and cause it to stop blowing cold air.

If you’re experiencing AC problems with your air conditioner not blowing cold air, the first thing you should check is the condition of your AC filter. Over time, debris such as dust and dirt accumulate on the AC filter which restricts airflow and makes it harder for your AC unit to cool down your home. This can lead to decreased efficiency, higher energy bills, and even a broken-down AC system.




To avoid these issues, we recommend replacing your air filter regularly. The frequency of replacement should be every one to three months depending on usage levels and environmental factors. By doing so, you’ll not only improve the quality of the air in your home but also ensure that your AC unit runs smoothly and efficiently.

Replacing an air filter may seem like a daunting task if you’ve never done it before. Don’t worry! Consult your owner’s manual, check out a YouTube video, or reach out to an HVAC contractor for assistance. They can guide you through the process and help you find the right filter for your specific AC model. Remember, taking care of your air filter is an easy and cost-effective way to keep cool air flowing throughout your home while improving its overall indoor air quality.


3. Inspect Your Ductwork

When your AC is blowing warm air, it’s essential to inspect every aspect of your AC system, including the ductwork. Your air conditioning system’s ductwork plays a crucial role in distributing cool air throughout your home. However, if there are any leaks or blockages in the air ducts, it can hinder the airflow and prevent cool air from reaching all parts of your living space.

To begin with, examine the ductwork for any visible leaks or blockages. You can use a specialized duct leak test to identify any leaks that may be hidden from view. If you find any leaks, seal them with either duct tape or a specialized duct sealant. Similarly, if you discover any blockages, clear them out.

By ensuring that your ductwork system is functioning correctly and efficiently, you can improve your AC’s overall performance and efficiency. This will ensure that cool air reaches every corner of your home effectively and keep you comfortable during hot summer days.


check your circuit breaker


4. Check Your Circuit Breaker

If your air conditioner is not blowing cold air, checking your circuit breaker should be on the top of your to-do list. Your circuit breaker plays a vital role in your AC’s electrical system, and if it’s malfunctioning, your AC system may not receive enough power to cool your home.

To check your circuit breaker, head over to the circuit breaker panel typically located in the basement or garage. Once you find it, look for the circuit breaker that controls your AC unit. If it’s tripped, you might be lucky as it could be a straightforward fix. Reset the circuit breaker and wait for a few minutes to see if the AC starts blowing cold air again. However, if it doesn’t work or keeps tripping, it’s time to call a NATE-Certified air conditioning repair technician.

Resetting the circuit breaker may seem like an easy task, but don’t underestimate its significance in troubleshooting your air conditioner problems. It could save you time and money by fixing simple issues without calling in professionals.

But hold on! Before attempting anything with the circuit breakers, ensure that you know what you’re doing and follow all safety precautions. If you’re unsure or uncomfortable with handling electrical equipment, always call in a professional heating and air conditioning repair technician to handle the job.


5. Clean Your Outdoor Unit

One of the common reasons for your air conditioner blowing warm air instead of cold air could be a dirty outdoor unit. The outside unit plays a crucial role in expelling hot air from your home, but if it’s clogged with dirt and debris, it won’t function efficiently.

When dust and debris accumulate on the outdoor unit’s coils, it reduces its efficiency. As a result, your AC unit will have to work harder to cool your home, which can lead to higher energy bills and a shorter lifespan for your unit.

Fortunately, cleaning your outdoor unit is an easy solution that can help improve the efficiency of your AC system. Before you start cleaning, make sure to turn off the power supply to the unit and remove any loose debris such as leaves and twigs from the exterior of the unit.



clean your outdoor air conditioning unit


Next up, use a garden hose to spray down the evaporator coil from the inside out to remove any built-up dirt and debris. Be thorough in cleaning every nook and cranny of the coils as this will help improve airflow through your system.

If you notice stubborn grime buildup on the evaporator coil or if they are particularly dirty, consider using a specialized AC coil cleaner. This cleaner is designed to break down dirt and grime effectively making it easier to remove with a garden hose.

Regular maintenance ensures that everything is running smoothly while also extending the life span of your AC system. Neglecting regular maintenance can lead to significant issues that require professional intervention.

So don’t overlook this simple yet essential task of cleaning up your outdoor AC unit! It will not only ensure that everything is working efficiently but also provide maximum comfort all year round!


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6. Call a Professional AC Repair Technician

If you’ve tried all the DIY tricks and your air conditioning system still refuses to blow cold air, it’s time to call in the professionals. An experienced heating and AC repair technician is trained and certified to diagnose and fix any issues with your AC system, no matter how complicated they may be.

One of the benefits of working with a professional is that they have specialized tools and equipment to accurately diagnose the problem with your air conditioner. They also have the experience and knowledge to identify underlying issues that you may have missed. By engaging a professional HVAC company, you can trust that your AC unit is in good hands, and the issue will be resolved quickly and efficiently.

In addition, regular maintenance performed by a professional can prevent future problems from occurring, saving you money in the long run. Regular air conditioner maintenance not only prolongs the lifespan of your system but also improves its efficiency. This leads to lower energy bills while ensuring maximum comfort for you and your family.

So don’t hesitate to call in an expert when all else fails! It’s a wise investment that guarantees peace of mind knowing that your AC unit is running efficiently and reliably throughout every season.


7. Consider Replacing Your Air Conditioner

Air conditioners, like any other appliance or device, can lose efficiency and wear out over time. If you have an old or outdated HVAC system, it may be time to consider upgrading to a newer and more efficient model.

Replacing your old air conditioner with a newer model has many benefits. Not only will you save money on energy bills, but you’ll also enjoy added convenience and control over your home’s temperature. Newer models come with energy-saving features, programmable thermostats, and smart home integration. They also have superior air filters that improve indoor air quality, making them an excellent option for those with allergies or respiratory issues.


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If you’re experiencing problems with your HVAC system, reach out to a professional air conditioner installation company for advice on the best options available for you. Consider upgrading your AC unit to take advantage of these benefits while improving the comfort of your home all year round!


To wrap things up, when your AC is not blowing cold air, it’s important to act fast to avoid additional problems and discomfort. By following these seven easy tips, you can troubleshoot and repair the issue on your own. However, if you’re uncertain or don’t feel confident about any of these steps, it’s always better to contact an HVAC expert. Moreover, if you have an old air conditioning system, it’s worth upgrading to a more advanced and energy-efficient model to cut costs and increase your comfort. Also, don’t forget to perform regular maintenance tasks to keep your AC unit functioning at its best.