Erik Johnson HVACR is an educational platform dedicated to helping commercial refrigeration technicians develop practical troubleshooting skills and a deeper understanding of the systems they service.

Founded by Erik Johnson, a commercial HVAC/R technician with hands-on field experience, the platform focuses on supermarket refrigeration, rack systems, electrical troubleshooting, and refrigeration controls.

Our goal is simple: make complex refrigeration systems easier to understand through straightforward technical explanations, illustrated field guides, and practical educational resources.

Learn the system. Understand the problem. Find the solution.