Certified Interior Environment Specialist (CIES) The CIES exam spans indoor air quality metrics, thermal comfort parameters, lighting design standards, and acoustic performance specifications. You’ll navigate building material off-gassing rates, HVAC system commissioning requirements, daylighting calculations, and noise reduction coefficients across residential and commercial spaces. Knowledge of relevant codes?including ASHRAE 62.1 and IBC standards?proves essential for success on test day.
| Exam Name | Certified Interior Environment Specialist |
| Exam Code | CIES |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
