It's July. The temperature outside is 108°F. Your AC isn't blowing cold air. Before you panic—or call us—there are a few quick checks that can resolve the problem in minutes without a service call. Here's what to do, in order.
Step 1: Check the Thermostat
This sounds obvious, but thermostat settings are a surprisingly common cause of AC 'failures.' Verify it's set to Cool mode (not Fan Only or Heat), the temperature is set below the current room temperature, and the thermostat is powered. If you have a battery-powered thermostat, swap the batteries. If you have a smart thermostat, check whether it's been set to an away or schedule mode that raised the set point.
Step 2: Check the Circuit Breaker
Go to your electrical panel and look for any tripped breakers—they'll be in the middle position between ON and OFF. Reset them by pushing firmly to OFF, then back to ON. AC units draw significant current and occasionally trip breakers on extremely hot days. If the breaker trips again immediately after reset, stop—there's an electrical issue that needs a technician.
Step 3: Replace the Air Filter
A severely clogged air filter can restrict airflow enough that the evaporator coil freezes over, causing the AC to blow warm air or shut down entirely. Pull out the filter and inspect it. If it's gray and matted, replace it and give the system 30–60 minutes for any ice to thaw before restarting.
Step 4: Check the Outdoor Unit
Go outside and verify your outdoor condenser unit is running—you should hear it and feel air blowing from the top. Check that it's not surrounded by debris like leaves or overgrown plants (it needs 2 feet of clearance on all sides). If the unit is covered in ice, you have a refrigerant or airflow issue that requires professional service.
Step 5: Let the System Rest
If none of the above resolves it, turn the system off at the thermostat and let it rest for 30–60 minutes. Sometimes an overworked AC shuts down on a safety override and resets after a rest period. After resting, try turning it back on. If it works, schedule a tune-up soon—the system is clearly struggling.
When to Call for Emergency Service
If you've run through all of these steps and the AC is still not cooling, call Crofts Heating and Air at (435) 635-7838. We offer same-day service throughout Southern Utah and 24/7 emergency response. In Southern Utah's summer heat—especially for households with children, elderly family members, or pets—a broken AC is a genuine health emergency. Don't wait.
