STAR Residential-Light Commercial HVAC Mastery(Pilot) The STAR Residential-Light Commercial HVAC Mastery exam spans equipment selection and sizing for single-family homes and small commercial spaces, refrigerant management compliance, indoor air quality diagnostics, and emergency troubleshooting protocols. You’ll need fluency in load calculations, ductwork design principles, and EPA regulations governing modern systems to perform effectively in field scenarios.
| Exam Name | STAR Residential-Light Commercial HVAC Mastery(Pilot) |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |

