Most Common Problems in Your Air Conditioning Unit at Home

residential ac repair

Most Common Problems in Your Air Conditioning Unit at Home

An air conditioning unit is a necessity for most households during the hot summer. It can be intolerable, however, if your AC happens to be inefficient! Residential AC repair can be costly if you aren’t doing regular maintenance to make sure the unit is in good running condition.

Obtaining information about how your air conditioning unit works and the factors that lead to problems is a way to keep your AC in top shape! For starters, you should learn some of the most common problems that can happen with your air conditioning system. 

Dirty Filter

As simple as something like a dirty filter can disrupt the function of your air conditioner. In addition, clogs in the filter can restrict the system’s airflow. When checking if the filter is still usable, the rule of thumb is there should be light that passes through it. However, to be sure of how often to change your air filter, look for your manufacturer’s suggestions. Some AC units need to have filters changed every month or every three months. Others are reusable and can be cleaned when the filters are dirty.

Faulty Thermostat

The thermostat controls the temperature setting of your air conditioner. If it’s set incorrectly, your system will not get the right instructions from the control system to cool the air. Fortunately, it is easy to fix by replacing or upgrading the thermostat upon residential HVAC installation or maintenance. You should check the manufacturer’s manual to set the thermostat correctly. 

Refrigerant Leaks

The refrigerant in your air conditioner unit removes the humidity and heat from your air at home. And if there is a leak in your refrigerant lines, there would be insufficient refrigerant to perform its function effectively. Sometimes it is not enough to replace the refrigerant. Instead, you need to hire an experienced residential AC repair technician to find and repair the leaks in the system. 

Clogged Drains

The moisture that was removed from the air goes to drainage. And if the drain line of the air conditioner unit gets clogged, water can build up that could damage your system. If it is not fixed right away, water leaks can damage ceilings, walls, and furnishings. The growth of mold is also possible as a result of clogged drains. 

Leaking Ducts

The cooled air from your AC runs through ductwork, which helps to distribute the cooled air throughout your home. However, if there are leaks or holes in the ductwork, the cooled air gets wasted, and your AC will work harder to cool your space. As a result, there could be a spike in your energy bill due to energy losses in duct leaks.

Fan Problems

Fans in your AC system remove the hot air out of your house and allow the cold air to get inside simultaneously. These fans can be faulty due to motor problems, worn belts, lack of lubrication, or too much dirt. You need to pay attention to these fan problems since it will result in reduced airflow or worse compressor failure.

Frozen Evaporator Coils

Evaporator coils work like a sponge in your AC unit, which absorbs the heat and sends it back as cold air into your home. Coils need warm air to function correctly, and if something goes wrong with the airflow in the system, it can result in frozen evaporator coils.


For all your air conditioning installation, repair, or maintenance service needs in Oklahoma, contact Van Dyck Mechanical! Call 405-224-COOL (2665).

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