Troubleshooting an Air Conditioner: 12 Common Issues and Solutions

When the summer heat hits Niagara Falls, ON, a well-functioning air conditioner becomes a necessity. However, AC units can sometimes present issues that disrupt their performance. Niagara Home Heating, a leading provider of AC installation, replacement, and maintenance in Niagara Falls, ON, CA, offers solutions to 12 common air conditioner problems.


  1. AC Not Cooling: If your AC isn't cooling, it could be due to a dirty air filter or a blocked condenser unit. A thorough cleaning can often solve this issue. If not, it might be time for an AC replacement.

  2. AC Turning On and Off: If your AC is cycling on and off too frequently, it could be due to an incorrect AC size for your living space. Niagara Home Heating can assess your home's cooling needs and provide the right AC installation in Niagara Falls, ON.

  3. AC Constantly Running: An AC that runs constantly can lead to high utility bills and wear down the system. This could be due to setting the temperature too low or faulty electrical parts. Regular AC maintenance can help prevent this issue.

  4. AC Leaking Liquid: If you notice brightly colored stains near the unit or water leaking inside your home, it could indicate a refrigerant leak. Turn off the unit and call Niagara Home Heating at 289-228-2688.

  5. AC Drainage Issues: If the drainage pipe or drain becomes clogged from dirt and debris, it can cause drainage issues. Regular AC maintenance can help prevent this problem.

  6. AC Not Turning On: If your AC isn't turning on, it could be due to a tripped circuit breaker or a blown fuse. Check your electrical panel and reset the breaker or replace the fuse if necessary.

  7. AC Making Noise: If your AC is making unusual noises, it could indicate a mechanical problem. Call Niagara Home Heating for an AC replacement in Niagara Falls, ON.

  8. AC Blowing Warm Air: If your AC is blowing warm air, it could be due to a refrigerant leak or a problem with the compressor. Call Niagara Home Heating for an AC repair in Niagara Falls, ON.

  9. AC Freezing Up: If your AC is freezing up, it could be due to low refrigerant levels or poor airflow. Regular AC maintenance can help prevent this issue.

  10. AC Thermostat Issues: If your AC isn't responding to thermostat settings, it could be due to a faulty thermostat. Niagara Home Heating can provide a thermostat replacement.

  11. AC Fan Not Working: If the fan isn't working, it could be due to a faulty motor or a lack of power. Call Niagara Home Heating for an AC repair.

  12. AC Smells Bad: If your AC smells bad, it could be due to mold or mildew in the system. Regular AC maintenance can help prevent this issue.

Remember, regular AC maintenance in Niagara Falls, ON, can help prevent many of these issues and extend the lifespan of your unit. For all your AC needs, call Niagara Home Heating at 289-228-2688.


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