50 Common Reasons for AC Failures in Your Home

Understanding the Causes to Keep Your Home Cool & Comfortable

Whenever summertime hits, functioning air conditioning is not a luxury.

However, many of us have experienced the AC unit malfunction at probably the worst possible moment.

Understanding the typical culprits for these failures might help you prevent them and make your house a calm haven.

Listed here are fifty reasons your air conditioning is failing you

1. Dirty or clogged air filters.

2. Low refrigerant levels.

3. Refrigerant leaks.

4. Faulty thermostat.

5. Electrical control failure.

6. Frozen evaporator coils.

7. Dirty condenser coils.

8. Fan motor failure.

9. Compressor issues.

10. Clogged condensate drain lines.

11. Faulty capacitors.

12. Blown fuses or tripped breakers.

13. Improperly sized unit.

14. Leaking ductwork.

15. Sensor problems.

16. Worn-out contactors.

17. Blocked vents or registers.

18. Improper installation.

19. Aging equipment.

20. Lack of regular maintenance.

21. Faulty wiring.

22. Overheating components.

23. Inadequate airflow.

24. Broken fan belts.

25. Thermostat calibration issues.

26. Compressor overload.

27. Damaged or corroded coils.

28. Faulty expansion valve.

29. Incorrect refrigerant charge.

30. Debris around the outdoor unit.

31. Faulty relay switches.

32. Refrigerant cross-contamination.

33. Insect or pest damage.

34. Power supply issues.

35. Faulty defrost controls.

36. High humidity affecting components.

37. Improper drainage.

38. Ice buildup on coils.

39. Short cycling cycles.

40. Blocked condensate drain pan.

41. Mechanical wear and tear.

42. Overuse or constant operation.

43. Environmental factors (e.g., extreme heat).

44. Faulty reversing valve (in heat pumps).

45. Neglected air handler maintenance.

46. Incorrect thermostat placement.

47. Dirty blower blades.

48. Lack of insulation.

49. Incorrect voltage supply.

50. Manufacturer defects.

Don’t let a terrible air conditioner ruin your comfort this summertime!

The PRO Electric plus HVAC team can assist you with all your cooling needs, from maintenance and repairs to complete system replacements.

We keep your house cool and your air conditioning operating efficiently.

Call today at 703.225.8222 to arrange an appointment, or book online.

Get your ac system back on track so you can have a comfy, worry-free home.

Trust the pros at PRO Electric plus HVAC!