How to Repair Air Conditioners

How To Repair Air Conditioners

Most of the problems with window & room air conditioners can be designated under a few symptoms, do not cool sufficiently, they make noise or they do not turn on at all. So How To Repair Air Conditioners?

Here are a few points to have a view on how to look troubleshooting & repair these issues.  If your room air or window conditioner is beyond impossible to repair, ensure to buy the best window air conditioner or Room AC unit. But in case it can be repaired you must know How To Repair Room Air Conditioners .

You can do this on your own, or can call an air conditioning or the appliances repair professional. To be safe before trying yourself, consult the repair or you have the confidence to repair yourself, then you should have the right tools to handle the task and a proper know how of how to repair air conditioners.

How To Repair Air Conditioners

Steps on how to repair air conditioners:

  1. Unplug the unit and then carefully remove it from the wall or window. If you intend to clean the filter, you should also be able to remove the filter & grill, without uninstalling the air conditioner from the window. 
  2. Remove the filter and grille, loosen the metal cover, taking care of not damaging the coil’s fins. 
  3. Wash the filter or replace it with a new one. Most of the replacement filters of the air conditioner are readily available at appliance repair shops or online. 
  4. Using a Vaccum with an attachment of soft brush, it cleans with coil’s fins. Remove all debris and dust. 
  5. Clean the unit up with a rag, assuring that all drains permit the condensed water to drip away from the unit that is open. 
  6. Lubrication, when you have a unit part to lubricate the motor & posturing if suggested by the owner’s manual. 

So there were the steps above where you will get an idea of how to repair air conditioners

Repair Air Conditioners

Window AC Compressor not turning on?

Windows and air room conditioners draw a lot of electric power. It can lead to a complete failure attempt. If your room air conditioner doesn’t turn on it all, here are some of the points are: 

  1. Assure that the unit is plugged and the switch should be turned on. Be sure that the switcher is set to cool & below the room temperature. 
  2. Make sure that the outlet works using a voltage tester or by plugging into a lamp. 
  3. If the lighting does not go on, the circuit is overloaded by checking the electric panel or fuse box, replace the fuse or reset the breaker. 
  4. If the lighting works, it is more likely that the air conditioner’s switch is a fault or the switch needs cleaning or repair.
  5. Electronic Control Board or PCB assembly: If your air conditioner is not blowing air & you have examined the problem with the control board, sometimes referred to as the PCB. The control board in coexistence with a thermister scans the incoming air temperature & turns the compressor on or off depends on a selected temperature. 

The thermistor is connected to the control board and will widen to the front of the evaporator coil. Suppose the control board is defective, it may not send power to the compressor, no such cooling will take place. Examine the thermister first for any damage of corrosion or damage before censuring the control board. 

If an air conditioner is creating too much noise, the problem can be that it has had bearings, that are handled by an appliance repair person. You can able to solve the issue with the basic lubrication. 


1. Why is my AC running but not cooling?

This might be possible if your AC system is low on refrigerant or there is ice buildup in your AC due to the dirty filters or coils resulting in poor airflow. So, try cleaning the filter and the coils of your air conditioner to check if it improves the airflow of the AC.

2. How do I reset my air conditioning unit?

Follow these steps to reset your AC thermostat:

  • Shut down your AC at the thermostat
  • Find your circuit breaker box and reset it for your AC unit
  • Wait for 30 seconds and then turn on the AC thermostat again. 

3. How long should an air conditioner last?

Every brand of AC unit is different and every homeowner has a different understanding of when their AC is beyond repair. So, with proper maintenance and care, it will be fair to say that you can expect a good cooling of 15 to 20 years from a new efficient air conditioning system. 

4. How much does it cost to fix home AC?

Repairing costs for your Air Conditioner

Maximum Cost: $300

Minimum Cost: $175

Average Range: $200-$250

National Average Cost: $225

5. Where is the reset button on the air conditioning unit?

Depending on the manufacturer of your air conditioning unit, the Reset button is either located on the back of your device or in some cases, on the bottom of your device. 

6. How can I improve my AC cooling remotely?

4 no-cost ways of improving my AC cooling remotely:

  • Clean around the outdoor condenser unit
  • Increase your thermostat by a few degrees
  • Clear your drain line
  • Keep lamps and other heat-producing appliances away from your thermostat.


So we hope that we’ve clear all the queries for you related to how to repair air conditioners. If there is no such bigger problem you can simply follow the instructions step by step and take safety measures. For any other solutions, you can contact us in the given box below. 

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