From HVAC Services & Products Template by David Nagy · Templates

2. Common AC & Heating Problems

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AC Blowing Warm Air?

Possible Causes (Most → Least Likely):
  • Dirty air filter restricting airflow
  • Thermostat set incorrectly (cool vs fan)
  • Low refrigerant (possible leak)
  • Outdoor condenser blocked or dirty
What You Can Check in 5 Minutes:
  • Replace or inspect your air filter
  • Make sure thermostat is set to “Cool”
  • Check if outdoor unit is running
When to Call a Technician:
  • Air is still warm after filter change
  • Ice buildup on refrigerant lines
  • System turns on/off rapidly
Typical Repair Cost in San Diego:
  • Filter issue: $0–$30
  • Refrigerant recharge: $200–$600
Leak repair: $400–$1,500

Heater Not Turning On

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Why Your AC Smells Musty

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Weak Airflow in Certain Rooms

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👉 CTA:Schedule a diagnostic visit