Home Energy Professional Retrofit Installer Technician (HEP) Retrofit teams rely on HEP-certified technicians to diagnose building envelope failures and specify weatherization solutions. From air sealing crawl spaces to installing continuous insulation, your daily toolkit expands to include blower door testing, thermal imaging, and moisture management protocols that directly reduce utility costs for residential clients.
| Exam Name | Home Energy Professional Retrofit Installer Technician |
| Exam Code | HEP |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
