G3
Entry-level gas technician prep
Build fundamentals across appliance safety, gas code basics, tools, combustion, and introductory service logic.
Gas Technician
Choose your gas technician path and train with intent.
Enter through G3, G2, or G1, then move into practice sets, module lists, mock exams, and review flow that feels focused, premium, and built for serious prep.
G2
Advanced gas technician prep
Train deeper on piping, venting, controls, combustion, sizing, diagnostics, and code-based field decisions.
G1
Industrial and advanced systems prep
Prepare for higher-level gas technician work with advanced systems, controls, troubleshooting, and applied code reasoning.
From theory to practice
Focus on the topics that count.
Choose your certification path, work through focused questions and revisit the concepts you want to understand better.
Safety & Regulations
Gas Piping & Sizing
Venting & Combustion Air
Appliance Operation
Controls & Electrical
Testing & Diagnostics
Code Calculations
Mock Exam Review
Your trade exam deserves a game plan.
Start with 30 free questions. Find the gaps. Build your exam confidence.