Why Is My AC Not Cooling? 5 Things to Check Before Calling a Pro
Few things are more frustrating than when your AC stops cooling — especially in the middle of a hot Florida day. Before you panic, there are a few simple things you can check yourself that might solve the problem without needing a service call. If these don’t fix it, then it’s time to call in the pros at Prestige HVAC Solutions.
1. Check Your Air Filter
A dirty or clogged filter is the most common cause of poor cooling. If airflow is blocked, your system can’t push enough air across the coil, and your home won’t cool properly. Pull the filter out and hold it up to the light — if you can’t see through it, it’s time to replace it.
2. Make Sure the Thermostat Is Set Correctly
It sounds simple, but thermostat settings get bumped all the time. Double-check that it’s set to “cool” and the fan is on “auto.” If you’re using a smart thermostat, confirm the schedule is set properly.
3. Look at the Breaker
If the breaker for your air handler or outdoor unit has tripped, the system won’t run. Reset it once — but if it trips again, don’t force it. That’s a sign of a deeper electrical or mechanical issue that needs professional attention.
4. Inspect the Drain Line
Clogged condensate drain lines are another common issue. Many systems have a float switch that shuts the unit down when the drain is blocked to prevent water damage. If you see standing water around your air handler or in the drain pan, the line may need to be cleared.
5. Check the Outdoor Unit
Walk outside and make sure the condenser fan is running and the area around the unit is clear. Leaves, grass, or debris blocking airflow can cause the system to overheat and shut down. Also check that the coil isn’t covered in dirt or cottonwood fluff.
When to Call a Professional
If none of these quick checks solve the problem, it’s time to call an HVAC professional. Issues like low refrigerant, frozen coils, compressor problems, or failed components aren’t DIY fixes — and running the system in this condition can make things worse.
The Bottom Line
Sometimes the fix is as simple as a new filter or resetting a breaker. Other times, you need professional service to get your system cooling again. The good news is you don’t have to guess.
Prestige HVAC Solutions is here to troubleshoot your AC and get your home comfortable fast. We’ll diagnose the problem, explain your options, and make sure the job is done right.