Why Your Fresno Home’s AC Isn’t Cooling: Top HVAC Problems and Fixes

During Fresno’s hot summers, a malfunctioning AC system can make your home uncomfortable fast. If your air conditioner suddenly stops cooling, the cause is usually one of the common HVAC issues listed below.

Let’s explore the most frequent problems and how professionals can fix them.

1. Low Refrigerant Levels

If your AC is blowing warm air, low refrigerant may be the reason. You’ll need expert AC repair Fresno to detect leaks and recharge the system.

2. Dirty Condenser or Filters

Clogged filters and dirty coils reduce cooling efficiency. Regular:

• AC maintenance Fresno
• HVAC service near me Fresno

helps prevent this issue.

3. Thermostat Malfunctions

Incorrect thermostat settings or dead batteries can stop cooling altogether.

4. Frozen Evaporator Coil

This often occurs due to restricted airflow or refrigerant problems.

5. Faulty Compressor

When the compressor fails, the entire AC system stops cooling. You'll need:

• emergency HVAC repair Fresno
• HVAC technician Fresno

6. Electrical Issues

Wiring or capacitor failures can shut down your air conditioner unexpectedly.

7. Incorrect AC Size

An AC unit that is too small for your home will struggle to cool effectively.

8. Poor Airflow From Duct Issues

Blocked or leaking ducts reduce system performance.

9. Old HVAC System

Systems older than 12–15 years lose efficiency over time.

10. Lack of Regular Maintenance

Annual inspections help avoid most breakdowns.