Air conditioner

Top 6 Common Air Conditioning Problems

Just imagine on the first hot day of the summer your air conditioner is broken. You are ready to call an air conditioner repair specialist because it is impossible to think about suffering through the heat with no air conditioner. Hiring an HVAC company sounds like a good idea to inspect and do maintenance on your air conditioning system as a preventive measure of any common air conditioning problems. They will check and clean the wiring and mechanisms of your air conditioner, and it sounds challenging a little bit to an average householder. But if you are ready to come out and check your AC unit in your house, you can save yourself some money that you are going to pay for the repair. You can make simple fixes and troubleshoot the problem on your own. Some of common air conditioning problems can be easily diagnosed and fixed.

There are a few simple things that you can fix by yourself if you have these common air conditioning problems. You can extend the lifetime of your AC unit and increase the effectiveness by following these easy maintenance tips:

WARNING: Some air conditioning problems are quite complex. That’s why you can cause a worse problem while trying to fix it by yourself. It can end up expensive repair costs at the end if you have damaged something while you tried to fix.


The refrigerant is leaking

If you think that adding another refrigerant to your air conditioner is a real solution, it is not right. The number of refrigerant in your air conditioner must match the manufacturer’s specification. You have to understand that installing undercharged is uncommon and if your air conditioner is low on refrigerant, the potential problem is leaking, and you have to fix it as soon as possible. You should find out why your air conditioner is leaking and how you can repair it.


It would be better to leave repairing a leak to an experienced specialist AC repair service. These kinds of repairs can require some heavy duties.

Try a Freon Leak Repair Kit – If you can find a small refrigerant leak, you can make a quick fix. It is highly recommended to use a Freon Leak repair kit for small leaks within the AC unit system.

If your AC unit maintains to leak refrigerant, you should contact an HVAC specialist. They can quickly diagnose and fix the problem without wasting time.

Blower motor does not turn on



If there is a problem in your air conditioner, blower motor will not work. It can be one of the signs of common air conditioning problems in your AC unit system.


It can be merely a tripped breaker. The first step, you should check the breaker panel in your AC unit. Usually, air conditioners have two different breakers. One of them is for the condenser, and another is for the fan. If it is tripped in the middle, you should turn it all way off and turn it back on. If the breaker keeps going to flip while you start the air conditioner, it means the breakers can be defective, and they need to replace with new ones. Another reason can be defective or damaged wiring. In this case, you would be better to hire an HVAC expert to troubleshoot your AC thermostat from the unit. If you do not know what to do or how to repair, it is not worth tackling on your own to prevent the possible air conditioning problems.

Frozen coils

One of the most common air conditioning problems is frozen coils. Fan coils have to release hot weather and blow the cold air in your house. If they are frozen, it will not blow the cold air anymore. Luckily, you can solve this problem without calling for an HVAC professional.




There are a lot of reasons why your fan coils are freezing:

  • Somehow the airflow is restrained
  • An air conditioner is low on refrigerant
  • Outside temperature is too low. It usually happens at night.
  • Damaged parts

You should turn off the air conditioner and set the fan running automatically, then it will make the ice melt around the coils. Your air filters can be clogged, you should check them and if it is clogged with dirt and debris, clean it up. Make sure that there are no obstructions or disconnections in the ductwork and ensure that all registers are open. If your AC unit freezes again, there can be two reasons: low refrigerant or broken refrigerant line.

Weird smells come from the AC

It usually happens when your air conditioner collects the water in the HVAC box. It is a fertile area for bacteria to evolve. It causes disgusting smells that remind the scent of urine or vinegar. When you switch on your AC unit in these conditions, it will reek of your house like carrion. The issue can be leaking antifreeze, an old filter, a sneaky pet or just only a nest of wild animals.


Make sure that the problem is just smelling. Your health can be at risk regarding the issue. Identify what is wrong with your air conditioner.

The first thing you should do is to check and see whether there is any damage to the outdoor unit. Next, check your air conditioner filters. Maybe they are needed to replace. If you do not find out the source of the bad smell, it is possible that there is a leak and you have to repair it quickly.

Air conditioner blows hot air



On a hot summer day, you notice that your air conditioner is blowing hot air. Check that you did not leave the air conditioner on heat by coincidence. If you did, you could solve the problem by setting it on cool or auto.

If you are reading the article to find a solution, there can be a big problem in your AC unit systemş Before doing something, and you have to check your air conditioner thermostat. If it is not on heat or fan, you should call for an HVAC professional.

Without checking your AC unit is impossible to say what is wrong with your air conditioner. Blowing hot air instead of cold air can require small repair, but if you do not fix it as soon as possible, it will probably end up expensive repair costs.

Weak AC unit

Did you notice that your air conditioner does not run as powerful as it did? Does it take a lot of time to cool your house? It is highly possible that your AC unit can be clogged. Your AC unit is consist of two parts: the indoor and outdoor unit. They run as a team to release heat from your house. If you want to make them do that efficiently, your outdoor unit must be unrestricted.


A simple sweep can help you to solve the problem. You can unclog your AC unit by pushing debris away from your outdoor unit. Make sure that, bushes, grass, and weeds do not restrict the airflow. If there is no debris, your AC unit drain can be clogged. You can use plumbers’ snake to solve the common air conditioning problems. If you are not able to remove it by yourself, you have to call for an HVAC technician.


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