The most common types of window AC repairs are weak airflow, strange noises, leaking water, frozen coils, unresponsive controls, foul odors, electrical problems, inadequate cooling, constant cycling, and complete unit failure.
In this guide, you can learn 10 common problems, their solutions, and who is the proper contractor to call. Whether you are a DIY enthusiast or prefer professional help, we have you covered. Let's dive in and ensure your window AC keeps you comfortable!
10 Common Problems And How To Repair An AC Window Unit
If you have a window AC, the most likely problems to face are weak airflow, strange noises, leaking water, frozen coils, unresponsive controls, foul odors, electrical problems, inadequate cooling, constant cycling, and complete unit failure.
Whether you need to fix a noisy or leaky AC, or if you want to know how to fix a window air conditioner that is not cooling, check the complete list below!
1. Weak Airflow
To address weak airflow, start by cleaning or replacing the air filters. Inspect the fan motor for any obstructions and ensure it is functioning correctly. If necessary, lubricate the fan motor to improve airflow.
2. Strange Noises
Investigate the source of the noise by checking for loose or damaged components such as fan blades or compressor mounts. Tighten or replace any loose parts to eliminate the noise.
3. Leaking Water
Clear any blockages in the drain pipe to allow proper drainage. Inspect the seals around the unit to ensure they are intact and prevent water leakage. Consider installing a condensate pump if drainage continues to be an issue.
4. Frozen Coils
Thaw the frozen coils by turning off the AC and allowing them to defrost completely. Once defrosted, check for any obstructions blocking airflow and guarantee proper refrigerant levels. Consider scheduling professional maintenance to prevent future coil freezing.
5. Unresponsive Controls
Test the thermostat for accuracy and calibration. If the controls are unresponsive, check for loose connections or damaged wiring. Reset the thermostat and ensure proper placement for accurate temperature regulation.
6. Foul Odors
Clean the evaporator coils and drain pan to remove any mold or mildew buildup. Use a specialized AC cleaner to disinfect and deodorize the unit. Consider installing an air purifier to prevent future odors.
7. Electrical Problems
Carefully inspect the electrical connections for any signs of damage or wear. Replace any damaged wires or connectors and ensure all connections are secure. If unsure, consult a qualified electrician or HVAC technician.
8. Inadequate Cooling
Clean the condenser coils and ensure proper airflow around the unit. Check refrigerant levels and recharge if necessary. Shades or curtains to minimize heat gain in the room, so may be a good option. But before anything, you have to know what temperature your AC should blow!
9. Constant Cycling
Adjust the thermostat settings to prevent rapid cycling. Inspect the thermostat for accuracy and recalibrate if needed. Make sure there is proper insulation around the unit to maintain consistent temperatures.
10. Complete Unit Failure
Is your AC running at all? Check the power supply and circuit breakers to ensure the unit is receiving power. Test the compressor and fan motor for functionality. If the unit still fails to operate, consult a professional for further diagnosis and repair.
If you do not feel confident about trying the repair yourself, call a pro. Read the next section to understand who to call!
Who Repairs Window Air Conditioners?
For complex repairs or issues beyond basic troubleshooting, it is advisable to seek assistance from certified HVAC technicians or specialized appliance repair professionals. They have the knowledge, experience, and tools to diagnose and repair a wide range of window AC problems safely and effectively.
Learn exactly when to call for HVAC repair in this other homeyou guide written just for you.
What Is The Cost To Repair A Window AC Unit?
On average, minor repairs such as cleaning or replacing filters may cost between $ 50 to $ 200. However, more significant repairs like fixing electrical faults, replacing components, or addressing refrigerant leaks could range from $ 150 to $ 600 or more, including labor and parts.
One thing is for sure: the HVAC contractors of homeyou are the ones you need to call to address any window AC repair that comes up at your house!
