AC Repair in Los Angeles and Orange County
Need AC repair now? We fix air conditioners fast across Los Angeles and Orange County. Our licensed, bonded, and insured team is available 24/7 with upfront pricing and eleven guarantees. Rated 4.6 from 303 reviews, we’re trusted for clear communication and lasting repairs. Serving the region, including Los Angeles, Anaheim, and Long Beach. Beat the next heat wave by scheduling today. Call or book online for same-day service.
Why Choose Us
What Our Customers Say
"They quickly determined the problem and got it taken care of swiftly."
"Free diagnostic, fair price, and they didn’t charge extra for added parts."
"Explained clearly the issues with my AC and kept my place clean and safe."
Answers to Common Questions
View All FAQsWhy Is My AC Running But Not Cooling Properly?
An AC that runs but doesn’t cool usually points to airflow restriction, low refrigerant, or a control issue preventing proper heat removal. The most common cause is a clogged air filter that starves the evaporator coil of air and makes the system feel like it’s on but not delivering cool air. Left unchecked, this can freeze the coil or overwork the compressor, while thermostat missettings and duct leaks can also reduce performance. We often see these conditions in homes around Yorba Linda when heat and dust levels rise. If simple checks don’t solve it, a technician can test refrigerant levels, inspect coils, and verify motors and sensors; we provide 24/7 same-day diagnostics and repairs when cooling won’t recover.
Try these quick checks before calling:
- Replace or clean a visibly dirty air filter to restore airflow.
- Confirm the thermostat is set to Cool and Fan to Auto, with a setpoint below room temperature.
- Clear debris from the outdoor unit and ensure the fan spins smoothly.
- Look for ice on copper lines or the indoor coil; switch to Fan-only to thaw if you see frost.
If basic checks don’t restore cooling, turn the system off to prevent damage and schedule a professional diagnosis. <br/> Updated: 2026-06-07 <br/> Need help in Yorba Linda, CA? Call (833) 687-0145 or book online.
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The most common AC repair issue homeowners face is an AC that runs but won’t cool, which most often tracks back to a thermostat fault, low refrigerant, or restricted airflow from a frozen coil. These problems are routine, usually simple to diagnose, and are fixable once the root cause is confirmed with proper testing. If a unit is older or the compressor is damaged, a replacement discussion may make more sense than repeated repairs. We see this pattern frequently in homes we service across Orange County.
Watch for these clear repair signals:
- Warm air from vents even with the thermostat set to cool
- Ice on the refrigerant lines or indoor coil
- Short-cycling with quick on/off bursts
- Hissing or bubbling near the indoor unit Exactly one helpful sentence: Turn the system off if you see ice and schedule a diagnostic so a tech can prevent further damage and confirm the right repair. <br/>
Updated: 2026-05-03 <br/> Need help in Buena Park, CA? Call (833) 687-0145 or book online.
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AC compressor replacement cost is not a flat price; Service All-Stars confirms it after an on-site diagnostic because parts and labor vary by system. The biggest differences come from how your equipment is built and what it takes to install a compatible compressor. If your AC is near the 10–15 year mark, compare compressor repair against full system replacement for long-term value. A proper match matters: the new compressor must align with your condenser’s capacity and controls. Our licensed team performs these replacements across Orange County, including homes near Buena Park.
Key factors that set final price:
- Compressor type (single-stage, two-stage, variable)
- Refrigerant requirements and recovery procedures
- Manufacturer compatibility, part availability, and any active warranty
Schedule a diagnostic to confirm compressor failure first, since issues like a bad capacitor or contactor can mimic a failed compressor. <br/> Updated: 2026-04-18 <br/> Need help in Buena Park, CA? Call (833) 687-0145 or book online.
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Where We Work
What areas do you serve for ac repair?
We serve Los Angeles and Orange County, including Los Angeles, Anaheim, and Long Beach. See the full city list below for complete coverage.