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Reasons Why Your Air Conditioner Isn't Cooling Your Home

Aug 22

Are you keeping up with your air conditioning system's maintenance? That's good. Unfortunately, maybe for some reason, it's not working as efficiently as it should. Not only is this a drag on your energy bill, but it also makes your home less comfortable than it could be. If you're troubleshooting why your air conditioner isn't cooling your home, here are some potential causes:

1. Thermostat problems

If your system has been having trouble maintaining the temperature you set on the thermostat, there could be an issue with the device itself. Check to make sure that the batteries are fresh and that it's turned on to "cool." It's also possible that the thermostat isn't correctly calibrated. Your air conditioning system won't work efficiently if the thermostat isn't telling it the right temperature. When in doubt, consult a professional.

2. Dirty air filter

A dirty air filter is one of the most common causes of an inefficient cooling system. When the filter is clogged, it restricts airflow and puts extra strain on the system. Replace your filter regularly to keep things running smoothly. The difficulty of this task will depend on the type of filter your system uses. Some are easy to replace, while others will require a bit more work. You will probably need to consult your owner's manual. Your air conditioning system will also run less efficiently if the evaporator coil is dirty. This is a more difficult task that should be left to a professional, as it involves working with refrigerants.

3. Refrigerant leaks

If your system is leaking refrigerant, it will not be able to cool your home as efficiently as it should. This could be due to a simple leak or because the system isn't properly charged. In either case, it's best to call a professional to take a look. Some refrigerant leaks can be dangerous, so it's not something you want to try to fix on your own. You need to hire an expert with a background in air conditioning repair Pharr, TX.


Refrigerant leaks are never good news. They can cause your energy bills to skyrocket and seriously damage your system if left untreated.

4. Condenser coils are dirty

The condenser coils are responsible for releasing heat from the refrigerant. If they're covered in dirt and debris, they won't be able to do their job correctly. Cleaning the coils is a reasonably simple task, but it's one that you'll need to do regularly. You might be able to clean them yourself, or you may need to hire a professional.


If you think you might have a problem with your air conditioning system, it's best to contact a professional. They'll be able to diagnose the issue and recommend the best course of action. Trying to fix the problem yourself could cost you more in the long run.

5. Evaporator coils are frozen

The evaporator coils are responsible for absorbing heat from the air in your home. If they're frozen, they can't do their job correctly. Low refrigerant levels usually cause this. If you think this might be the problem, turn off your system and call a professional. There's always the risk of damaging the coils when you try to thaw them yourself.


At some point, you may need to call an air conditioning repair Pharr, TX technician to take a look at your system. But, by troubleshooting the problem yourself, you may be able to fix it without professional help.


Colair Offers Air Conditioning Repair Pharr, TX

When choosing Colair for your air conditioning repair Pharr, TX needs, you can be sure you're getting the best possible service. They have years of experience and are highly trained in all aspects of AC repair. They'll be able to quickly diagnose the problem and get your system up and running again. Contact Colair today at 956-581-5212 to schedule a consultation.