STAR Residential-Light Commercial HVAC Mastery Recert (Pilot) The STAR Residential-Light Commercial HVAC Mastery Recert pushes beyond routine refrigerant handling and ductwork basics. You’ll navigate complex scenarios involving variable-speed compressors, load calculations across mixed residential-commercial spaces, and troubleshooting interconnected systems where a single misdiagnosis cascades through multiple zones. This recertification assumes prior expertise—expect questions that reward deep systems thinking over surface-level compliance knowledge.
| Exam Name | STAR Residential-Light Commercial HVAC Mastery Recert (Pilot) |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |

