California HVAC Contractor License (C-20)

Pursuing a career in the construction field? Study at home for your California HVAC Contractor License (C-20) License Exam with our fully online, easy to take, and self-paced course.

California HVAC Contractor License (C-20)
Steps to Success

1. Obtain pre-approval from the State.
2. Purchase Exam Prep and Books.
3. Schedule and pass your state exams.
4. Submit your application, licensing fee, and proof of insurance to the State.

Exam Review Option Includes
Home Study Manual
Audio/Video Lectures
Practice Exams
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Course Fee: $149.00

About This License

An HVAC contractor in California fabricates, installs, maintains, services, and repairs warm air heating systems, heat pumps, ventilating systems, and air conditioning systems.


Our training is written by Subject Matter Experts and built by Instructional Designers.

No Pass, No Pay

If you are not able to pass your exam on the SECOND attempt, we will refund your course fee. Conditions do apply.

Flexible & Self Paced

Simply login and out as needed. We track your progress.

Mobile Compatible

Our training is built on HTML5 - so you can take it with on your tablet or smartphone.

Lowest Price

We will beat ANY price by 10% for a similar program.

Requirements to Obtaining your License

  • A Warm-Air Heating, Ventilating, and Air-Conditioning Contractor License (HVAC) in California is required for projects that exceed $500.
  • To become a licensed contractor, candidates will have to sit for two exams: business and law and their trade.
  • In order to sit for the examinations, the board must first approve your application.
  • Pre-approval from the state is required to sit for the examination.
  • Applicants are required to have 4 years experience to qualify to take the exam. Experience must be at the journeyman, foreman or supervisor, contractor, or as an owner-builder.
  • All applicants must have a working capital of at least $2,500. In addition, all applicants must also file a bond with the Registrar in the amount of $10,000.

Exam Review, Training, Education

We offer a home study courses that consists of a study guide, CDs, and DVDs.

Books and References for the Exam

All exams in California are closed book.

Exam Details

  • The California Warm-Air Heating, Ventilating, and Air-Conditioning Contractor exam has approximately 100 questions and a time limit of 2 1/2 hours.
  • A 72% is required to pass.
  • Topics on the exam include system evaluation and design; fabrication; system installation and start up; service, maintenance, and repair; and safety.
  • The exam fee is included with the $250 application fee.
  • After the board has approved your application, they will inform you of the testing date.

Continuing Education

There is none at this time.

Applying to Get Your License

The exam fee is included with the $300 application fee. The initial license fee for two years is an additional $180. An application for licensure can be obtained from the California Contractors State License Board by calling 1-800-321-2752

Reciprocity Agreement

Limited agreements with Arizona, Utah, and Nevada.
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