AC compressor not starting — Los Angeles, California
When the outdoor AC unit hums, clicks, or stays completely silent while the indoor fan blows warm air, the compressor likely isn't starting. Common causes include a failed capacitor, a burned-out compressor motor, a tripped high-pressure switch, or low refrigerant levels. The compressor is the most expensive component in the system — running a failing one can cause total unit failure. An HVAC technician can diagnose whether the fix is a $150 capacitor swap or a compressor replacement that may justify upgrading the entire system.
Waarom dit veel voorkomt in Los Angeles
LA's dry heat and poor air quality from wildfires and smog make air conditioning and filtration essential. Many homes lack ducted systems and rely on mini-splits or window units. Santa Ana winds and extreme heat events strain cooling systems to failure.
Who to call
For this problem in Los Angeles, call a: Klimaattechnicus
Vind een Klimaattechnicus in Los AngelesSymptoms to look for
- The outdoor unit hums or clicks but the fan doesn't spin and no cold air comes out
- The indoor blower runs normally but only pushes warm air
- The outdoor unit is completely silent — no fan, no compressor sound
- The circuit breaker for the AC unit trips repeatedly
- A clicking sound from the outdoor unit every few minutes as the compressor tries and fails to start
Spoeddienst in Los Angeles
Emergency services in Los Angeles typically respond within 30–60 minutes during business hours, but traffic can extend response times to 2+ hours across the metro area. After-hours emergency plumbing and electrical services run $125–$250/hour. California law requires contractors to be licensed for work over $500.