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Top 5 Reasons For Air Conditioner Problems And Ways to Prevent Them?

Now we’re going to look at the top 5 reasons homeowners face problems with their home’s HVAC system and the steps you can take to prevent them from popping up again.

5 Reasons for Common Air Conditioning Problems

We’ve put together 5 common air conditioning problems most homeowners will face throughout the lifetime of their HVAC system. These include:

Low refrigerant

Frozen evaporator coils

Dirty condenser coils

Damaged and dirty air ducts

Drain leaks and clogs

In most cases, you can prevent these problems from popping up if you regularly maintain your system.

Low Refrigerant Leading to Poor or No Cooling

Low refrigerant is often the prime suspect when it comes to ac problems. The refrigerant circulates through your air conditioning system by a series of compressions and expansions to absorb heat from indoor air and pass it off outside. Once outside, the refrigerant can cool and expand into a gas once again. An external fan blows air over the expansion coils and passes it off to the exterior air.

You will usually face a low refrigerant issue with your HVAC system when there is a leak in your system. If you feel that your air conditioner is performing poorly or you’re not getting enough cooling through your AC, the cause of the issue is likely due to a low amount of refrigerant. In this case, you need to hire professional HVAC contractors to fix the leaks and replace the refrigerant in your HVAC system. Otherwise, you will consistently face issues with cooling and other related air conditioner problems.

Frozen Evaporator Coils Preventing Efficient HVAC Operation

Your air conditioner’s evaporator coils are full of refrigerant. This is where the air in your home cools down and recirculates back into your home. Over time, the coils become dirty. Although unconventional, if a warm flow of air does not pass over the coils, they won’t work properly. Furthermore, when the coils become too cool, they freeze over. This greatly diminishes its cooling capacity and the air you receive from your air vents will either be too warm or not cool at all. Here, the best way to restore normal operation is to hire HVAC professionals to check the evaporator coils and defrost them.

Dirty Condenser Coils

Due to prolonged outside exposure, the condenser coils in your AC unit will build up dirt and grime. Eventually, with enough of a build-up due to outdoor air pollution, the heat transfer process becomes largely inefficient. As a result of this, your entire system must work much harder to maintain a constant temperature in your home due to dirty condenser coils. In the worst case, your air conditioner will become damaged. Once again, to resolve the issue, you need to hire HVAC professionals who will take apart the condenser unit and clean the coils properly.

Dirty or Damaged Air Ducts – The Cause for Poor Airflow

Air ducts are another point of failure in air conditioning systems. If they are not cleaned regularly, dust and grime quickly build up along the ductwork. This greatly impedes airflow and reduces the operational efficiency of your air conditioning system leading to some of the common air conditioning problems. Similarly, Chillwell Bewertung damages or leaks in the air ducts lead to inefficiencies as well. As a result of this, your air conditioning system must work much harder to produce the same amount of cooling. From there, due to the extra load, your machine will degrade faster and end up getting damaged.

The quickest fix here is to hire HVAC experts to perform a thorough air duct cleaning procedure to get rid of all the grime and dirt. Furthermore, if there are leaks in your ductwork, they can try to patch the leaks or advise a complete air duct replacement. In any case, taking care of your air ducts is essential if you want to allow your machine to perform efficiently throughout its lifetime.

Drain Leaks and Clogs

Poor drainage of condensate is another common problem that plagues air conditioning systems. In some cases, you get away by clearing up any clogs present in the drain pipes. However, if you are unlucky, you’ll need to get your drainage pipes replaced if there are any leaks.


Almost all issues are a direct result of poor maintenance. Therefore, the right way to prolong the operational lifetime of your HVAC system and avoid common air conditioning problems is to perform regular maintenance. To further encourage healthy maintenance behavior many HVAC contractors, offer incentive maintenance packages. Take advantage of those offers and maintain your air conditioning system regularly to avoid these problems altogether. With deliberate maintenance, you can ensure that your air conditioner will operate for many years without facing these common AC problems.

Walter E. Bennet is an HVAC expert in Dallas and neighboring areas who specialize in HVAC design for homes and multi-storied buildings. He and with his brothers founded a Texas-based HVAC company that handles intricate HVAC design, air duct cleaning, ac unit installation, and ac repair in homes, offices, and commercial spaces.

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