OH Refrigeration Contractor Ohio’s refrigeration licensing now requires demonstrated competency in low-GWP refrigerants and updated EPA Section 608 protocols. The exam reflects stricter environmental compliance standards and equipment efficiency rules implemented within the past two years, ensuring contractors meet current regulatory expectations across commercial and industrial systems.
| Exam Name | OH Refrigeration Contractor |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |


