The 1 Package: All-Inclusive Arizona Air Conditioning and Refrigeration, Including Solar Commercial Contractor (C-79) Exam, Licensing & Business Setup Solution from 1 Exam Prep is your complete, start-to-finish pathway to becoming a licensed HVACR and solar contractor in Arizona—and launching a profitable, compliant heating, cooling, refrigeration, and solar thermal business.
This all-in-one system goes far beyond basic exam prep. It combines commercial HVACR education, fuel gas and mechanical code training, refrigeration system instruction, boiler fundamentals, solar water heating education, licensing support, and full business setup services to take you from skilled HVAC technician to fully licensed contractor and business owner with confidence.
Built specifically for Arizona’s open-book exam format, this program teaches you not just what to study—but how to efficiently navigate codebooks, technical manuals, and trade references under time pressure so you can pass your exam faster and operate successfully in the field.