Licensed Central Air Conditioning Repair (C-20 Experts)
Best central air conditioning repair in Irvine, Lake Forest, Laguna Hills, and More Cities in Orange County or Los Angeles County of California
When your Central Air Conditioning system breaks down, the discomfort is felt throughout your entire home or business. Central AC systems are complex, involving high-voltage electricity and sensitive refrigerant cycles—repairs require the specialized knowledge and certification of a licensed HVAC professional.
MDTECH Services is the C-20 licensed contractor specializing in rapid, expert Central Air Conditioning Repair across Orange County and Los Angeles County. We diagnose, service, and repair all major brands of central AC, heat pump, and ducted systems, guaranteeing fast relief and lasting performance.
Why Trust MDTECH with Your Central AC?
As a certified C-20 (Warm-Air Heating, Ventilating, and Air-Conditioning) contractor, MDTECH technicians are uniquely qualified to handle all aspects of your central AC system, from the thermostat to the compressor.
24/7 Emergency Service: We offer around-the-clock dispatch for urgent cooling failures. When your system quits on the hottest day, we are the emergency experts you can count on.
Refrigerant Certification: We are certified to handle, repair, and recharge systems using both R-410A and the older, regulated R-22 refrigerant, ensuring compliant and effective service regardless of your unit’s age.
Preventative Maintenance: We don’t just fix failures; we offer comprehensive service to prevent them, addressing the underlying issues that lead to costly breakdowns.
Upfront Pricing: You receive a transparent, detailed cost estimate after diagnosis, allowing you to approve the repair before any work is done.
Top 5 Common Central AC Repair Issues We Fix
Central AC units often face a handful of critical issues that demand professional attention. Our experts fix these problems daily:
| Problem Symptom | Component Failure & Repair Focus | Typical Cost Range (Industry Average) |
| No Cold Air / Unit Won’t Start | Bad Capacitor or Compressor Failure. | Capacitor: $150–$400 / Compressor: $1,200–$3,500+ |
| System Running Constantly (Short Cycling) | Low Refrigerant (requires leak repair and recharge). | Leak Repair & Recharge: $200–$1,500+ (Varies by refrigerant type) |
| Water Leaks / Musty Smells | Clogged Condensate Drain Line (water backup). | Drain Line Flush: $75–$250 |
| Weak Airflow / Burning Smell | Failing Blower Motor or Condenser Fan Motor. | Motor Replacement: $300–$900 |
| Ice on Coils | Refrigerant Leak or severely Dirty Coils/Filter. | Coil Cleaning: $100–$400 |
Note on Repair vs. Replacement: For major failures like a compressor or coil replacement, we recommend considering the system’s age. If the repair cost multiplied by the age of the unit (in years) exceeds $5,000, full replacement with a new, energy-efficient system is often the most cost-effective long-term solution.
Serving Your Area in Southern California
When you need reliable Central Air Conditioning Repair, choose the local C-20 experts who serve all major cities and neighborhoods in Los Angeles and Orange County.
📞 Book Your Licensed Central AC Repair
Don’t let a faulty central AC system compromise your comfort or safety. Contact the licensed experts at MDTECH Services today for guaranteed service.
| Detail | Information |
| Service Area | Los Angeles County & Orange County, CA |
| Service Hotline | (310) 871-0323 |
| License | California C-20 HVAC Contractor |
Call (310) 871-0323 now to schedule emergency central AC repair or an expert tune-up!

Book Your Appointment
310-871-0323
Air Conditioning Repair in California
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