Your Guide to the 10 Most Common Air Conditioning Issues

Air conditioning units are built to last, but they can still run into problems. Knowing what type of issue you’re dealing with helps you decide whether it’s a quick fix or time to call for AC maintenance or repair. Here in Acadiana, our systems run hard for 8+ months a year, so these issues come up more often than you might think.

1. Not Turning On

If your air conditioner isn’t turning on, first check that a tripped breaker is not the issue and that your thermostat is set correctly. If these are not the problem, you may have to contact a professional.

2. Blowing Warm Air

Your air conditioner may be blowing warm air if the coolant levels are low. You should also remove anything blocking your vents and check that the air filter is not clogged.

3. Fluid Leak

Refrigerant or water leaks can be serious issues for air conditioners. Get the issue looked at by a professional as soon as possible.

4. Strange Noises

Rattling, buzzing, or other strange noises from your air conditioner can indicate a problem with the fan motor, evaporator coil, or compressor.

5. Running Constantly

Older or improperly sized air conditioners may constantly run, leading to higher energy bills.

6. Short Cycling

Short cycling is when your air conditioner turns on and off rapidly rather than running for the full cycle. This is usually caused by a faulty thermostat, clogged air filter, or a unit too large for your home.

7. Frequent Circuit Breaker Trips

If the circuit breaker for your air conditioner trips multiple times, there could be an electrical issue with the unit.

8. Strange Smells

A healthy air conditioner should not produce any odors. A Burning smell could indicate that the wiring is overheating, and you should turn off the unit until it can be serviced by a professional.

9. Drainage Problems

Air conditioners produce water as a byproduct of the cooling process. If your unit is not draining properly, it often indicates a blocked condensate line.

10. Poor Air Flow

If your air conditioner is not producing enough cool air, it could be a sign that the air filter is dirty or clogged. You should also make sure that all of the vents are open and unobstructed.

We’ve been diagnosing and fixing AC problems across Acadiana since 1956, so none of these issues is too big or too small for our team. If your air conditioner is acting up and you’re not sure which of these problems you’re dealing with, call F & R Air Conditioning at (337) 893-5646 and we’ll get it sorted out.