Choose Your Training Track
Interactive exam prep courses designed to help you pass your California contractor license exam on the first try.
C-20 HVAC
Warm-Air Heating, Ventilating & Air-Conditioning
Master the California C-20 HVAC contractor license exam with comprehensive practice questions covering refrigeration cycles, load calculations, duct design, codes, and more.
- Timed practice exams
- Detailed answer explanations
- Score tracking & analytics
- All major HVAC exam topics
C-36 Plumbing
Plumbing Contractor License
Prepare for the California C-36 Plumbing contractor license exam with in-depth practice covering pipe sizing, drainage systems, water heaters, codes, and safety.
- Timed practice exams
- Detailed answer explanations
- Score tracking & analytics
- All major plumbing exam topics