California Air Conditioning Systems

Air conditioning repair service
4.6(210 reviews)
25217 Narbonne Ave, Lomita, CA 90717
California Air Conditioning Systems

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About California Air Conditioning Systems

California Air Conditioning Systems has served Lomita and the greater Los Angeles Basin since 1979, holding state contractor license C20-390632. With 210 verified client reviews averaging 4.6 stars, the company maintains a 24-hour phone line seven days a week. Operating across the South Bay, Torrance, and greater Los Angeles, their crews handle residential, commercial, and light-industrial heating and cooling work, keeping homes and businesses comfortable through Southern California heat waves and cooler winter months alike.

A differentiator worth noting: California Air Conditioning Systems stocks portable cooling equipment and XPOWER dehumidifier rentals for short-term or emergency use, keeping clients comfortable while permanent repairs are arranged. The company performs its own sheet metal fabrication in-house, enabling custom ductwork and flashing without relying on third-party shops. Their Preventative Maintenance program, widely praised among commercial and industrial clients across Los Angeles and Orange County, includes coil cleaning, refrigerant level checks, belt adjustments, and burner assembly servicing under structured service agreements.

Reviewers routinely name the technicians who made the difference. Tee McClamb described a technician who diagnosed a non-cooling mini-split as a loose electrical connection topped off with refrigerant, then walked the homeowner through every system component for future reference. Harold Golden recalled estimator Harry Irving arriving for a rooftop consultation and steering him away from an expensive new furnace toward solar attic panels instead, advice Golden credited for avoiding a moisture problem months later. Those specific outcomes reflect what long-term clients value most: honest assessment before the invoice arrives.

What Customers Say

Of 210 reviews totaling a 4.6-star average, customer testimonials emergency responsiveness and technician namedrops. Five-star feedback consistently cites same-day scheduling, thorough explanations, and clean workspaces. Reviewers named James and Harry Irving most frequently, describing precise diagnostics and honest cost guidance rather than upsells.

4.6 · 210 reviews
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Working Hours

SundayOpen 24 hours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayTodayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours

Services

HVAC Installation & Replacement

New system installs for residential and commercial properties, including Bard wall-mount units and full central systems for new construction or retrofit projects.

HVAC Repair & Emergency Service

Diagnostic and repair work for air conditioners, furnaces, heat pumps, and industrial equipment, available 24 hours a day for breakdowns.

Preventative Maintenance Programs

Scheduled inspections covering filter changes, coil cleaning, refrigerant checks, belt adjustments, and combustion analysis to extend equipment life and lower energy bills.

Indoor Air Quality Solutions

Air filtration upgrades, UV germicidal lights, humidifiers, and dehumidifiers installed to improve breathing comfort and reduce airborne contaminants.

Ductwork, Fabrication & Dryer Vents

Duct replacement, sealing, and repairs using in-house sheet metal fabrication, plus dryer vent cleaning to improve airflow and reduce fire risk.

Commercial & Industrial Cooling

Cooling tower service, chiller repair, spot cooling, and exhaust fan work tailored for warehouses, manufacturing facilities, and commercial buildings.

Equipment Rentals

Portable air conditioners, air scrubbers, and XPOWER dehumidifiers available for short-term cooling, humidity control, and air quality remediation.

Frequently Asked Questions