Why Is AC Not Cooling?
Nothing is more frustrating than when your air conditioner leaves you sweating on a hot day. Why is your AC not cooling? Learn how to troubleshoot why your AC is not cooling with these tips on common AC problems and solutions from ACT Absolute Comfort Technology, Yakima Valley’s best air conditioner repair contractor.
What causes AC to stop cooling?
- Dirty air filter
- Refrigerant issues
- AC thermostat problems
- Blocked or leaky ducts
- Dirty coils
- Old air conditioner
Dirty Air Filter
A dirty air filter is one of the most common causes of an AC system that is not cooling properly, and it is easy to fix. Filters clogged with dust, pet hair, and debris restrict airflow and reduce cooling capacity. Regularly cleaning or replacing air filters prevents airflow restrictions and improves performance.
Refrigerant Issues
If your AC is blowing warm air, you see ice on the cooling lines, or hear hissing noises indicating a leak, you may have low refrigerant or a substantial leak. Our Yakima Valley cooling contractors have the specialized tools and equipment to check refrigerant levels and safely recharge your HVAC system.
Dirty Coils
Dirty condenser coils from postponed or neglected maintenance are another common cause of an air conditioner not cooling. Dirty coils cannot release heat, making it difficult for your system to maintain temperature. Regular coil cleaning as part of seasonal AC maintenance ensures efficient operation.
AC Thermostat Problems
Improper settings, a low or dead battery, faulty wiring, poor calibration, or a broken/defective thermostat can prevent your system from cooling properly. To rule out these issues, make sure your thermostat is on, set to cool, adjusted to the correct temperature, and has a fresh battery. If these AC troubleshooting tips do not work or your thermostat is unresponsive, contact our Central Washington air conditioning company to learn more about replacing or upgrading to a smart programmable thermostat.
Blocked or Leaky Ducts
Airflow restrictions and leakages can dramatically reduce cooling performance. There may be many possible causes, including blocked vents, dirty or closed registers, or damage to ductwork from pests, deterioration, or construction. Ensure that vents and registers throughout your home are open and unobstructed, and that your ductwork is not damaged. If you cannot visually identify issues, contact our team to schedule a professional ductwork, vent, and register inspection and any necessary cleaning or repairs.
Old Air Conditioner
Worn, deteriorated motors, blowers, capacitors, and other components can cause inefficient operation or system failure. If your cooling system is over 10-15 years old and necessary repairs cost more or nearly as much as replacement, it may be time to upgrade your AC system.
Stay Cool and Comfortable with 24-Hour Emergency AC Repairs from ACT
If basic troubleshooting does not restore cooling performance, contact our experienced technicians to prevent worsening damage and inflated energy bills. We provide fast, friendly, affordable repairs. We service all air conditioner makes and models, including gas and electric systems, packaged and split units, heat pumps, VRF systems, rooftop units, ductless air conditioners, and specialty commercial and industrial designs. No matter what air conditioner maintenance issues you’re experiencing, we’ve got you covered.
Schedule an Air Conditioner Inspection
Find out why your AC is not cooling with help from ACT Absolute Comfort Technology. Contact us at 509-388-2997 to schedule an HVAC system inspection in Union Gap, Ellensburg, Richland, Pasco, Zilla, Cle Elum, Prosser, Grandview, or Yakima today.
