Prepare for the California C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor licensing exam with Fuse School’s comprehensive online prep course. Designed for HVAC professionals and experienced technicians, this course helps you build the knowledge and confidence needed to successfully prepare for the C-20 certification exam.
During the course, you’ll study California contractor licensing requirements, HVAC system design and installation, electrical fundamentals, safety regulations, code compliance, estimating, business and trade law, and other key topics covered on the C-20 exam. You’ll also work through exam-style questions and practical examples to strengthen your understanding and improve your exam readiness.
Best for: HVAC technicians preparing for the California C-20 licensing exam or professionals looking to advance their careers.
Format: Online, self-paced training
Level: Intermediate / Advanced
Focus: C-20 exam preparation, California contractor licensing, HVAC systems, electrical fundamentals, codes and regulations, estimating, business law, and practice exam questions.
Membership is granted based on a selective review process. Applications are reviewed by the Expert Council. After you submit your application, we will contact you within five business days and, if needed, schedule a brief interview.