One of the most common homeowner searches is some version of “AC not cooling” or “air conditioner running but blowing warm air.” Here’s how Larry approaches it — and what you can safely check first.
Quick checks (safe DIY)
- Thermostat: Confirm it’s set to Cool, fan set appropriately, and the setpoint is below room temperature.
- Filter: A clogged filter chokes airflow and can freeze the coil. Replace if dirty.
- Breakers: Check the indoor air handler and outdoor condenser breakers.
- Outdoor unit: Is the outdoor fan running? Is the unit buried in debris or weeds?
- Vents: Make sure supply registers are open and returns aren’t blocked by furniture.
Common causes a technician finds
- Failed capacitor or contactor
- Low refrigerant from a leak
- Dirty evaporator coil / restricted airflow
- Blower motor issues
- Frozen system after filter neglect
- Oversized or undersized equipment and duct problems (comfort, not just “broken”)
When to call immediately
- Burning smells or electrical odors
- Water leaking around the air handler
- Ice covering the outdoor lines or indoor coil after basic filter checks
- No cooling during extreme heat with vulnerable household members
What Larry will do on site
Diagnose properly, explain the issue in plain English, and give repair options with pricing before work begins. If the system is near end of life, you’ll hear that too — without a pressure pitch.
Request AC service or call (951) 455-1225.