ATC AC & Heating Repair Los Angeles
HVAC contractor in Los Angeles, California
- Rating
- 4.8 / 5.0 from 32 reviews
- Open
- 6 days a week
- Website
- atcheatingandair.com/
- Service area
- Los Angeles
- Phone
- (323) 897-1575
24-hour HVAC service in Los Angeles
About
ATC AC & Heating Repair serves Los Angeles with around-the-clock availability. The business is open 24 hours Monday through Thursday, Sunday, and from 8 AM to 2 PM on Friday. It holds a 4.8-star rating based on 32 customer reviews on Google.
To reach ATC AC & Heating Repair, call (323) 897-1575 or visit their website at https://www.atcheatingandair.com/.
Service Area
Serving Los Angeles.
Hiring an HVAC Contractor in Los Angeles, California
In California, HVAC work falls under the Warm-Air Heating, Ventilating and Air-Conditioning Contractor classification (C-20). Many HVAC projects require a building permit. The specific permit rules vary by location within Los Angeles County and the City of Los Angeles, so you should check with the Los Angeles Department of Building and Safety or your local city building department before work begins. A licensed contractor can advise you on permit requirements for your project.
Before hiring an HVAC contractor, verify their license through the California Contractors State License Board (CSLB). You can search by contractor license number, business name, or the owner's name on the CSLB website. This search will show you the license status and any complaint disclosures. A valid California contractor license number contains up to 8 digits and no letters.
When you are ready to hire, ask your contractor about their experience with projects similar to yours, request a written contract that clearly outlines the work scope and terms, and confirm that they understand any local permit and building code requirements for your job.
What license classification do HVAC contractors need in California?
HVAC contractors in California work under the Warm-Air Heating, Ventilating and Air-Conditioning Contractor classification, known as C-20. [1]
How do I check an HVAC contractor's license in California?
You can check a contractor's license on the California Contractors State License Board website by searching their license number (up to 8 digits), business name, or the owner's name. The search will show license status and any complaint disclosures. [4]
Do I need a building permit for HVAC work in Los Angeles?
Building permit requirements vary by location. You must check with the Los Angeles Department of Building and Safety or your local city building department to determine whether a permit is required for your specific HVAC project. [3, 5]
What should I ask an HVAC contractor before hiring?
Ask about their experience with similar projects, request a detailed written contract that covers the scope of work and terms, and confirm they understand the permit and building code requirements for your job. [2]
Why is hiring a licensed contractor important?
A licensed contractor is required by California law for HVAC work and is subject to regulation and complaint oversight by the Contractors State License Board, protecting your interests. [2]
Sources
- California CSLB — licensing classifications (read 2026-09-20)
- California CSLB — hire a licensed contractor (read 2026-09-20)
- California CSLB — do I need a building permit? (read 2026-09-20)
- California CSLB — check a license (read 2026-09-20)
- Los Angeles Department of Building and Safety — permits (read 2026-09-20)
Contact Information
Business Hours
| Monday | 12 AM – 11:59 PM |
|---|---|
| Tuesday | 12 AM – 11:59 PM |
| Wednesday | 12 AM – 11:59 PM |
| Thursday | 12 AM – 11:59 PM |
| Friday | 8 AM – 2 PM |
| Saturday | Closed |
| Sunday | 12 AM – 11:59 PM |