HVAC contractors in
Los Angeles, California.

What is the C-20 license and do I need it to work HVAC in California?

Yes, you need it. The C-20 is California's Heating, Ventilation, Air Conditioning Contractor License issued by the Department of Consumer Affairs. It's the only license that legally allows you to bid, contract, and install HVAC systems for compensation in CA. You need 4 years of documented journey-level HVAC experience or completion of an approved apprenticeship program, then pass the written exam covering code, safety, and technical systems. Individual technicians can work under a licensed C-20 contractor without their own license, but if you're running a business, the C-20 is mandatory. Source: California Department of Consumer Affairs.

How much does a typical AC replacement cost in Los Angeles?

A standard residential AC unit replacement (3-5 ton central system) ranges $5,200-$8,500 installed. Labor is $2,000-$3,500; equipment (condensing unit and evaporator coil) is $2,500-$4,500; permits and misc. supplies add $300-$600. Factors that raise cost: higher efficiency ratings (SEER 16+ vs. SEER 13), non-standard ductwork, roof access complexity, and permit delays. LA's higher labor costs ($75,379 median annual for technicians per BLS) versus national average make pricing tighter. Ductless mini-splits run $3,500-$6,000 per zone and often cost less to install in retrofit scenarios.

What permits do I need for a new AC system in Los Angeles?

You need a mechanical permit from the Los Angeles Department of Building and Safety for any new AC installation or system replacement. Cost is typically $100-$200 depending on system size. Permit is required if the new system is different from the existing one (different location, different capacity, different fuel type). If you're just replacing a unit in the same location with the same capacity, some jurisdictions allow it as a like-for-like swap with reduced paperwork, but LADBS generally requires a permit. Ductwork modifications, refrigerant line sets over 25 feet, and roof penetrations trigger separate permits. Turnaround is 2-3 weeks for most jobs. Source: Los Angeles Department of Building and Safety.

Do I need EPA 608 certification to work with refrigerant in California?

Yes. Anyone handling, recovering, or disposing of refrigerant must hold EPA Section 608 Certification. You can get Universal (covers all refrigerant types) or Type-specific (Type I for small appliances, Type II for high-pressure, Type III for low-pressure). Most HVAC technicians get Universal. The exam covers regulations, safe handling, and recovery procedures. No specific training hours required by EPA—you self-study and test at an approved testing center ($150-$300 exam fee). California enforces EPA rules strictly; inspectors will ask for proof. Certification is federal, not state-specific, but required to work legally in CA. Source: U.S. Environmental Protection Agency.

What is the typical turnaround time for HVAC quotes and service calls in Los Angeles?

Quote callbacks typically take 1-3 business days; larger commercial projects may take 5-7 days. Emergency or same-day service calls (AC down in 95-degree heat) are available but usually at a $100-$200 premium fee. Standard maintenance appointments can be scheduled 1-2 weeks out depending on season. During peak cooling season (June-August), response times stretch to 3-5 days for non-emergency work. Winter heating season (December-January) is slower; you might get same-day quotes. High traffic in LA metro also adds 30 minutes to 1 hour of drive time per appointment, which contractors factor into scheduling. Many contractors now offer online scheduling and virtual pre-quotes to speed up the process.