Learn why your AC won’t cool below 75 degrees and when to call a professional.
If your AC won’t cool below 75 degrees or your system seems to be running constantly without delivering cold air, it’s a sign something isn’t right and it often starts with the thermostat. Understanding common thermostat issues and other potential causes behind an air conditioner not cooling can help you avoid major discomfort (and repair bills) when you need your system most. Let’s break down the common problems, troubleshooting steps, and when it’s time to call for thermostat repair or professional AC service.
Common Reasons Your AC Is Not Cooling
When your air conditioner is on but the house still feels warm, a few common problems could be to blame. Dirty air filters, low refrigerant, or a blocked condenser coil are often the culprits behind an AC that’s running but not blowing cold air. Clogged filters not only reduce cooling efficiency but can also affect indoor air quality.
According to the U.S. Department of Energy, regular air conditioner maintenance like filter replacement and coil cleaning can significantly improve cooling efficiency.
If your AC is not blowing cold air, start by inspecting your filters and checking for any blockages around your outdoor unit.
Thermostat Problems That Affect Air Conditioning
Sometimes, the problem isn’t actually with the AC unit itself. It could be your thermostat. If your AC won’t cool below 75 degrees even though it’s running continuously, it could be a calibration issue or an outdated thermostat needing replacement.
A malfunctioning thermostat sends incorrect signals to your system, causing the air conditioner not cooling efficiently. In many cases, professional thermostat repair can get your cooling system back on track and help you avoid more serious problems later on.
AC Running But Not Blowing Cold Air? Here’s What to Know
If your air conditioner is on but your home isn’t getting cooler, the problem might be a refrigerant leak, a damaged compressor, or an ice buildup on the evaporator coil. These issues typically require professional attention.
In some cases, your central air not cooling may be due to electrical problems or damaged wiring within the system. Ignoring these signs can result in higher energy bills and serious system damage over time.
Steps to Take if Your Central Air Isn’t Cooling Properly
If your central air is not cooling, take these first steps:
- Replace dirty air filters
- Check that all vents are unobstructed and fully open.
- Double-check thermostat settings
- Check the outdoor condenser unit and remove any dirt, leaves, or debris that could be restricting airflow.
If these steps don’t resolve the issue, there could be a deeper mechanical or refrigerant problem. That’s when it’s time to bring in a professional for air conditioning repairs.
When to Call a Professional
Some AC issues can be fixed with simple maintenance, but larger problems like low refrigerant, broken compressors, or serious electrical faults need expert help.
At OnPoint Service Company, we specialize in diagnosing and repairing:
- AC not blowing cold air
- Air conditioner not cooling
- Air conditioner not working
- AC unit not blowing cold air
- AC running but not cooling
- Central air not cooling
- AC won’t cool below 75
- Thermostat repair
Don’t allow a minor problem to turn into a costly repair. We’re here to get your AC system back to peak performance before the Texas summer heat hits.
Conclusion
If your AC is on but not cooling, don’t overlook the issue. Addressing the problem early can save you from a bigger breakdown and a hotter house later.
Visit OnPoint Service Company today for expert air conditioning repairs and thermostat services.
