Serving Wise County, NE Fort Worth, and portions of Denton County

Air Conditioning Problems

Understanding common air conditioning problems and how to fix them can save you time, money, and frustration.

Common Air Conditioning Problems and How to Fix Them

Air conditioners are essential for maintaining indoor comfort, especially during hot summer months. Like any appliance, they can develop issues over time. Here are some of the most frequent AC problems and some solutions. 

AC Not Cooling Properly

Causes:

  • Dirty air filter
  • Low refrigerant levels
  • Blocked or dirty condenser coils
  • Faulty thermostat

 

Solutions:

  • Check and replace the air filter if it’s clogged.
  • Ensure the thermostat is set to the correct temperature.
  • Clean the condenser coils to improve efficiency.
  • If refrigerant levels are low, contact a professional for a recharge and leak inspection.

AC Unit Won’t Turn On

Causes:

  • Tripped circuit breaker
  • Faulty thermostat
  • Broken capacitor
  • Malfunctioning compressor

 

Solutions:

  • Reset the circuit breaker and check for power supply issues.
  • Test and replace the thermostat batteries if needed.
  • If the capacitor or compressor is faulty, consult an HVAC professional for repairs.

 

AC Making Strange Noises

 

Causes:

  • Loose parts
  • Debris stuck in the unit
  • Worn-out belts or bearings

 

Solutions:

  • Inspect for any loose screws or components and tighten them.
  • Clean out debris from the AC unit.
  • If the belt or bearings are worn out, consider replacing them with professional help.

AC Unit Leaking Water

Causes:

  • Clogged drain line
  • Frozen evaporator coils
  • Improper installation

 

Solutions:

  • Clear the drain line using a wet/dry vacuum or a vinegar solution.
  • If the evaporator coils are frozen, turn off the unit and let them thaw before restarting.
  • Check for proper installation and ensure the unit is level.

Weak Airflow

Causes:

  • Blocked air vents
  • Dirty air filter
  • Faulty blower motor

 

Solutions:

  • Make sure all air vents are open and unblocked.
  • Replace or clean the air filter regularly.

If the blower motor is malfunctioning, seek professional repair or replacement

Bad Odors Coming from the AC

Causes:

  • Mold or mildew buildup in the unit
  • Clogged drain pan
  • Burnt-out wire insulation

 

Solutions:

  • Clean the evaporator coils and drain pan regularly.
  • Use an antimicrobial cleaner to eliminate mold and mildew.
  • If there’s a burning smell, turn off the unit and call an HVAC technician immediately.

 

AC Unit Running Constantly

Causes:

  • Incorrect thermostat settings
  • Dirty condenser coils
  • Leaky ductwork

 

Solutions:

  • Set the thermostat to an appropriate temperature and use the auto mode.
  • Clean the condenser coils to improve efficiency.
  • Inspect the ductwork for leaks and seal them as necessary.
AC Problems

Not So Common AC Problems

Regular maintenance and timely troubleshooting can keep your air conditioner in peak condition.

 

Simple tasks like replacing air filters, cleaning coils, and checking for leaks can go a long way in preventing major breakdowns.

 

 

However, if you encounter complex issues, it’s always best to seek professional help to ensure the longevity and efficiency of your AC system. 

 

Got Questions?  We’re just a phone call away.

Google Reviews

  What Customers Are Saying. 

Brian
Josh and his organization are amazing technicians. Highly knowledgeable and highly skilled in their profession. What I most appreciate about Josh is that he will speak with you in language you understand. You are clear about the decisions and your equipment and or challenges you may have. After having had Josh service my home equipment I would never search elsewhere. Service is top notch. Thank you Josh!
Bayles
The Clear Air Heating and Cooling crew got our heat pump back and running. The service was very good and we are very happy with the service. Thanks again for your quick response.
Damen
Honest, fair, and completely customer driven. Had a great first experience with Joshua and his team. I'll be recommending Clear Air to clients, family, and friends!
Lauren
Exceptionally knowledgeable and prompt service. The third contractor we called and he was finally able to fix our problem. We highly recommend Josh and his team!